{
  "quality_note": "Evidence ledger records are traceability objects. They are not all reviewed claims. Use confidence and status before quoting or interpreting a record.",
  "total_records": 4855,
  "record_type_counts": {
    "concept": 286,
    "equation": 3845,
    "figure": 504,
    "glossary": 182,
    "promoted_original_figure": 15,
    "quote": 8,
    "source": 15
  },
  "confidence_counts": {
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    "scan-crop-promoted": 15,
    "source-custody-record": 15,
    "source-located-candidate": 28,
    "source-located-ocr-candidate": 4357
  },
  "source_counts": {
    "america-and-new-epoch": 45,
    "commonwealth-edison-generating-system-trouble": 251,
    "electric-discharges-waves-impulses-1914": 351,
    "elementary-lectures-electric-discharges-waves-impulses": 349,
    "engineering-mathematics": 344,
    "four-lectures-relativity-space": 222,
    "general-lectures-electrical-engineering": 181,
    "radiation-light-and-illumination": 439,
    "theoretical-elements-electrical-engineering": 343,
    "theory-calculation-alternating-current-phenomena": 485,
    "theory-calculation-alternating-current-phenomena-1897": 365,
    "theory-calculation-alternating-current-phenomena-1900": 424,
    "theory-calculation-electric-apparatus": 346,
    "theory-calculation-electric-circuits": 370,
    "theory-calculation-transient-electric-phenomena-oscillations": 340
  },
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "source",
      "record_id": "radiation-light-and-illumination",
      "label": "Radiation, Light and Illumination",
      "status": "seeded",
      "confidence": "source-custody-record",
      "site_path": "/sources/radiation-light-and-illumination/",
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      }
    },
    {
      "id": "radiation-light-and-illumination::concept::radiation",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
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      "label": "Radiation",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
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        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::light",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "light",
      "label": "Light",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 1640,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::illumination",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "illumination",
      "label": "Illumination",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 627,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::electric-waves",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "electric-waves",
      "label": "Electric waves",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
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        "occurrence_count_in_ocr": 16,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::ether",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "ether",
      "label": "Ether",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
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        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::wave-length",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "wave-length",
      "label": "Wave length",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 71,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::frequency",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "frequency",
      "label": "Frequency",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 155,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::velocity-of-light",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "velocity-of-light",
      "label": "Velocity of light",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 10,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::refraction",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "refraction",
      "label": "Refraction",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 19,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::refractive-index",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "refractive-index",
      "label": "Refractive index",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 12,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::permeability",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "permeability",
      "label": "Magnetic permeability",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 0,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::dielectric-constant",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "dielectric-constant",
      "label": "Dielectric constant",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 4,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::spectrum",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "spectrum",
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      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 130,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::ultraviolet",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "ultraviolet",
      "label": "Ultra-violet radiation",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 9,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::ultrared",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "ultrared",
      "label": "Ultra-red radiation",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 1,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::luminescence",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "luminescence",
      "label": "Luminescence",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 84,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::arc-lamp",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "arc-lamp",
      "label": "Arc lamp",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 60,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::photometry",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "photometry",
      "label": "Photometry",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 15,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::brilliancy",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "brilliancy",
      "label": "Brilliancy",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 69,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::concept::light-flux-density",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "concept",
      "record_id": "light-flux-density",
      "label": "Light flux density",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "occurrence_count_in_ocr": 19,
        "related": []
      }
    },
    {
      "id": "radiation-light-and-illumination::glossary::ultra-red",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "glossary",
      "record_id": "ultra-red",
      "label": "ultra-red",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "modern_equivalent": "infrared",
        "occurrence_count_in_ocr": 29,
        "source_refs": []
      }
    },
    {
      "id": "radiation-light-and-illumination::glossary::ultra-violet",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "glossary",
      "record_id": "ultra-violet",
      "label": "ultra-violet",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "modern_equivalent": "ultraviolet",
        "occurrence_count_in_ocr": 112,
        "source_refs": []
      }
    },
    {
      "id": "radiation-light-and-illumination::glossary::wave-length",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "glossary",
      "record_id": "wave-length",
      "label": "wave length",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "modern_equivalent": "wavelength",
        "occurrence_count_in_ocr": 71,
        "source_refs": []
      }
    },
    {
      "id": "radiation-light-and-illumination::glossary::electric-waves",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "glossary",
      "record_id": "electric-waves",
      "label": "electric waves",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "modern_equivalent": "radio-frequency electromagnetic waves, broadly construed",
        "occurrence_count_in_ocr": 16,
        "source_refs": []
      }
    },
    {
      "id": "radiation-light-and-illumination::glossary::brilliancy",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "glossary",
      "record_id": "brilliancy",
      "label": "brilliancy",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "modern_equivalent": "luminance or perceived brightness, depending on context",
        "occurrence_count_in_ocr": 69,
        "source_refs": []
      }
    },
    {
      "id": "radiation-light-and-illumination::glossary::candle-power",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "glossary",
      "record_id": "candle-power",
      "label": "candle-power",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "modern_equivalent": "luminous intensity in candlepower, historically",
        "occurrence_count_in_ocr": 1,
        "source_refs": []
      }
    },
    {
      "id": "radiation-light-and-illumination::glossary::flux-of-light",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "glossary",
      "record_id": "flux-of-light",
      "label": "flux of light",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "modern_equivalent": "luminous flux",
        "occurrence_count_in_ocr": 18,
        "source_refs": []
      }
    },
    {
      "id": "radiation-light-and-illumination::glossary::light-flux-density",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "glossary",
      "record_id": "light-flux-density",
      "label": "light flux density",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "modern_equivalent": "illuminance",
        "occurrence_count_in_ocr": 19,
        "source_refs": []
      }
    },
    {
      "id": "radiation-light-and-illumination::glossary::radiant-heat",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "glossary",
      "record_id": "radiant-heat",
      "label": "radiant heat",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "modern_equivalent": "thermal radiation; Steinmetz criticizes the phrase as misleading",
        "occurrence_count_in_ocr": 3,
        "source_refs": []
      }
    },
    {
      "id": "radiation-light-and-illumination::glossary::ether",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "glossary",
      "record_id": "ether",
      "label": "ether",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "modern_equivalent": "historical luminiferous ether or field-bearing medium, context-dependent",
        "occurrence_count_in_ocr": 9,
        "source_refs": []
      }
    },
    {
      "id": "radiation-light-and-illumination::glossary::specific-high-frequency-effect",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "glossary",
      "record_id": "specific-high-frequency-effect",
      "label": "specific high frequency effect",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "modern_equivalent": "biological or chemical effect associated with shorter wavelengths",
        "occurrence_count_in_ocr": 2,
        "source_refs": []
      }
    },
    {
      "id": "radiation-light-and-illumination::glossary::mechanical-equivalent-of-light",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "glossary",
      "record_id": "mechanical-equivalent-of-light",
      "label": "mechanical equivalent of light",
      "status": "seeded",
      "confidence": "ocr-occurrence-index",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "modern_equivalent": "energy-to-light conversion measure in historical photometry",
        "occurrence_count_in_ocr": 2,
        "source_refs": []
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0001",
      "person": "Charles Proteus Steinmetz",
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      "person": "Charles Proteus Steinmetz",
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      "status": "candidate",
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      "status": "candidate",
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      "person": "Charles Proteus Steinmetz",
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      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0007",
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    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0008",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "radiation-light-and-illumination",
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      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0010",
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      "label": "188,000 miles or 3 X 1010 cm. per sec.",
      "status": "candidate",
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      "evidence": {
        "original_form": "188,000 miles or 3 X 1010 cm. per sec.",
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      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0012",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "radiation-light-and-illumination",
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      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0013",
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      "record_id": "radiation-light-and-illumination-eq-candidate-0014",
      "label": "lw = 60 microcentimeters,* that is, 60 X 10~8 cm. (or about",
      "status": "candidate",
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      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "lw = 60 microcentimeters,* that is, 60 X 10~8 cm. (or about",
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      "status": "candidate",
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      "site_path": "/sources/radiation-light-and-illumination/",
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        "original_form": "^<y^<5-<y in.) and since the speed is S = 3 X 1010 cm. the frequency",
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      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0016",
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      "label": "is / = r- = 500 X 1012, or 500 millions of millions of cycles per",
      "status": "candidate",
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      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "is / = r- = 500 X 1012, or 500 millions of millions of cycles per",
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      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0017",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "radiation-light-and-illumination",
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      "label": "polarized ; that is, for instance, the reflection from the mirror m0,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "polarized ; that is, for instance, the reflection from the mirror m0,",
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      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0018",
      "person": "Charles Proteus Steinmetz",
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      "status": "candidate",
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      "site_path": "/sources/radiation-light-and-illumination/",
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      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0019",
      "person": "Charles Proteus Steinmetz",
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      "label": "motions of very high speed, S = 3 X 1010 cm. per sec. in a hypo-",
      "status": "candidate",
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      "site_path": "/sources/radiation-light-and-illumination/",
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    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0020",
      "person": "Charles Proteus Steinmetz",
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      "label": "only: between 400 X 1012 and 770 X 1012 cycles per sec. cor-",
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      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0021",
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      "label": "responding to wave lengths from 76 X 10\"6 cm. to 39 X 10\"' cm.*",
      "status": "candidate",
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      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "responding to wave lengths from 76 X 10\"6 cm. to 39 X 10\"' cm.*",
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        "source_ref": {
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      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0022",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "radiation-light-and-illumination",
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      "label": "diameter, having a resistance of about 10 ohms each), connected",
      "status": "candidate",
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      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "diameter, having a resistance of about 10 ohms each), connected",
        "modern_form": "",
        "source_ref": {
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      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0023",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
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      "label": "* The visibility of radiation is greatest between the wave lengths 50 X 10~*",
      "status": "candidate",
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      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "* The visibility of radiation is greatest between the wave lengths 50 X 10~*",
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        "source_ref": {
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    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0024",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0024",
      "label": "to 60 X 10~e and good between the wave lengths 41 X 10~e to 76 X 10~8,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "to 60 X 10~e and good between the wave lengths 41 X 10~e to 76 X 10~8,",
        "modern_form": "",
        "source_ref": {
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0025",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0025",
      "label": "33 X 10~6 to 77 X 10~6 and faintly even as far as 30 X 10~fl to 100 X",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "33 X 10~6 to 77 X 10~6 and faintly even as far as 30 X 10~fl to 100 X",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 994,
          "line_end": 994,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0026",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0026",
      "label": "resistance in a 120-volt circuit. When I establish a current",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "resistance in a 120-volt circuit. When I establish a current",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1004,
          "line_end": 1004,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0027",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0027",
      "label": "of 2000 ohms resistance in a 240-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "of 2000 ohms resistance in a 240-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1056,
          "line_end": 1056,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0028",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0028",
      "label": "3000 X 1012 cycles per sec., or to wave lengths of about 10 X 10~6",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "3000 X 1012 cycles per sec., or to wave lengths of about 10 X 10~6",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1166,
          "line_end": 1166,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0029",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0029",
      "label": "estimated as 0.01 X 10~6 cm., giving a frequency of 3 X 1018",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "estimated as 0.01 X 10~6 cm., giving a frequency of 3 X 1018",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1179,
          "line_end": 1179,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0030",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0030",
      "label": "cm. length, or frequencies of only 10 12 cycles per sec. The ultra-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "cm. length, or frequencies of only 10 12 cycles per sec. The ultra-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1205,
          "line_end": 1205,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0031",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0031",
      "label": "to 107 to 105 cycles per sec.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "to 107 to 105 cycles per sec.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1240,
          "line_end": 1240,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0032",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0032",
      "label": "3 X 1010",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "3 X 1010",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1247,
          "line_end": 1247,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0033",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0033",
      "label": "a 60-cycle alternating current gives a wave length of ^ =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "a 60-cycle alternating current gives a wave length of ^ =",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1248,
          "line_end": 1248,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0034",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0034",
      "label": "500 X 10\" cm. or 3100 miles — the distance to which the field of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "500 X 10\" cm. or 3100 miles — the distance to which the field of",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1250,
          "line_end": 1250,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0035",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0035",
      "label": "separated by a narrow gap. It probably is at about 5 X 1010",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "separated by a narrow gap. It probably is at about 5 X 1010",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1277,
          "line_end": 1277,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0036",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0036",
      "label": "cycles, or 0.6 cm. wave length.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "cycles, or 0.6 cm. wave length.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1278,
          "line_end": 1278,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0037",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0037",
      "label": "from 0.6 to 0.03 cm., or only about four octaves.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "from 0.6 to 0.03 cm., or only about four octaves.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1282,
          "line_end": 1282,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0038",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0038",
      "label": "given in octaves, choosing as zero1 point the middle c of the piano,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "given in octaves, choosing as zero1 point the middle c of the piano,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1286,
          "line_end": 1286,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0039",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0039",
      "label": "or a frequency of 128 cycles per sec.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "or a frequency of 128 cycles per sec.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1287,
          "line_end": 1287,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0040",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0040",
      "label": "Zero point chosen at c = 128 cycles per second.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Zero point chosen at c = 128 cycles per second.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1303,
          "line_end": 1303,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0041",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0041",
      "label": "Speed of radiation S = 3 X lu10 cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Speed of radiation S = 3 X lu10 cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1304,
          "line_end": 1304,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0042",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0042",
      "label": "20,000 km. = 12,500 mi.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "20,000 km. = 12,500 mi.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1324,
          "line_end": 1324,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0043",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0043",
      "label": "12.000 km. = 7, 500 mi.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "12.000 km. = 7, 500 mi.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1328,
          "line_end": 1328,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0044",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0044",
      "label": "5, 000 km. = 3, 100 mi.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "5, 000 km. = 3, 100 mi.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1334,
          "line_end": 1334,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0045",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0045",
      "label": "2,250 km. = 1,400 mi.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "2,250 km. = 1,400 mi.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1338,
          "line_end": 1338,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0046",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0046",
      "label": "3 km. = 10,000 ft.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "3 km. = 10,000 ft.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1358,
          "line_end": 1358,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0047",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0047",
      "label": "30 m. = 100 ft.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "30 m. = 100 ft.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1366,
          "line_end": 1366,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0048",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0048",
      "label": "30 m. = 100 ft.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "30 m. = 100 ft.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1375,
          "line_end": 1375,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0049",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0049",
      "label": "30 cm. = 1 ft.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "30 cm. = 1 ft.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1376,
          "line_end": 1376,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0050",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0050",
      "label": "0.6 cm. = 0.25 in.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "0.6 cm. = 0.25 in.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1385,
          "line_end": 1385,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0051",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0051",
      "label": "30,000x10-\" =0.03 cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "30,000x10-\" =0.03 cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1399,
          "line_end": 1399,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0052",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0052",
      "label": "76xlO~8 cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "76xlO~8 cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1400,
          "line_end": 1400,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0053",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0053",
      "label": "76xlO-6cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "76xlO-6cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1409,
          "line_end": 1409,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0054",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0054",
      "label": "39xlO~e cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "39xlO~e cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1410,
          "line_end": 1410,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0055",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0055",
      "label": "39X10-6 cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "39X10-6 cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1422,
          "line_end": 1422,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0056",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0056",
      "label": "10 x 10\"8 cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "10 x 10\"8 cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1423,
          "line_end": 1423,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0057",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0057",
      "label": "0.01 xlO~J cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "0.01 xlO~J cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1436,
          "line_end": 1436,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0058",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0058",
      "label": "The velocity of light in empty space is 3 X 1010 cm. per sec.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "The velocity of light in empty space is 3 X 1010 cm. per sec.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1634,
          "line_end": 1634,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0059",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0059",
      "label": "Let then Sl = speed of propagation in medium A, S2 = speed of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Let then Sl = speed of propagation in medium A, S2 = speed of",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1657,
          "line_end": 1657,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0060",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0060",
      "label": "medium TF, only the distance CK = — 2 GH, and the wave front",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "medium TF, only the distance CK = — 2 GH, and the wave front",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1674,
          "line_end": 1674,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0061",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0061",
      "label": "and a2 = angle of refraction, that is, the angle between the out-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "and a2 = angle of refraction, that is, the angle between the out-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1690,
          "line_end": 1690,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0062",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0062",
      "label": "FDH = a, and LHD = a2 ;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "FDH = a, and LHD = a2 ;",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1694,
          "line_end": 1694,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0063",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0063",
      "label": "FH = DH sin a, and DL = DH sin av (1)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "FH = DH sin a, and DL = DH sin av (1)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1697,
          "line_end": 1697,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0064",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0064",
      "label": "FH + DL = S, - S3; (2)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "FH + DL = S, - S3; (2)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1703,
          "line_end": 1703,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0065",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0065",
      "label": "sin «1 Sl",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "sin «1 Sl",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1708,
          "line_end": 1708,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0066",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0066",
      "label": "where S is the velocity of light in empty space = 3 X 1010, and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "where S is the velocity of light in empty space = 3 X 1010, and",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1729,
          "line_end": 1729,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0067",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0067",
      "label": "between medium 2 and medium 3, dl-3 = £2_3 -*- ^_2 = refractive",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "between medium 2 and medium 3, dl-3 = £2_3 -*- ^_2 = refractive",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1735,
          "line_end": 1735,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0068",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0068",
      "label": "S = -L= , (5)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "S = -L= , (5)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1750,
          "line_end": 1750,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0069",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0069",
      "label": "for empty space, fj. = 1 and « = 1;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "for empty space, fj. = 1 and « = 1;",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1774,
          "line_end": 1774,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0070",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0070",
      "label": "Vl = d*-, (9)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Vl = d*-, (9)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1785,
          "line_end": 1785,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0071",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0071",
      "label": "Since for most media the permeability /JL = 1, for all except",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Since for most media the permeability /JL = 1, for all except",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1790,
          "line_end": 1790,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0072",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0072",
      "label": "(26). The spectrum of an arc between titanium carbide elec-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "(26). The spectrum of an arc between titanium carbide elec-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1890,
          "line_end": 1890,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0073",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0073",
      "label": "20. The most important physiological effect is the visibility of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "20. The most important physiological effect is the visibility of",
        "modern_form": "",
        "source_ref": {
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        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0074",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0074",
      "label": "wave length 76 X 10~6 and 39 X 1Q-6.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "wave length 76 X 10~6 and 39 X 1Q-6.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0075",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0075",
      "label": "(3). By the logarithmic law of sensation. The impression made",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "(3). By the logarithmic law of sensation. The impression made",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2452,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0076",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0076",
      "label": "PHYSIOLOGICAL EFFECTS OF RADIATION. 39",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "PHYSIOLOGICAL EFFECTS OF RADIATION. 39",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2457,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0077",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0077",
      "label": "1 to 2, but the change of sensation in the first case, log 1000 = 3,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "1 to 2, but the change of sensation in the first case, log 1000 = 3,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2464,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0078",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0078",
      "label": "log 2 - 0.301.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "log 2 - 0.301.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2466,
          "line_end": 2466,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0079",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0079",
      "label": "PHYSIOLOGICAL EFFECTS OF RADIATION. 43",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "PHYSIOLOGICAL EFFECTS OF RADIATION. 43",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0080",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0080",
      "label": "distance of 100 feet, by going nearer to the lamps the orange",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "distance of 100 feet, by going nearer to the lamps the orange",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2664,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0081",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0081",
      "label": "PHYSIOLOGICAL EFFECTS OF RADIATION. 45",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "PHYSIOLOGICAL EFFECTS OF RADIATION. 45",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2719,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0082",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0082",
      "label": "Wave length lw = 67 60.5 57.5 50.5 47 . 43 x 10~fl",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Wave length lw = 67 60.5 57.5 50.5 47 . 43 x 10~fl",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2726,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0083",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0083",
      "label": "tensity .... i0 = 0.06 0.0056 0.0029 0.00017 0.00012 0.00012",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "tensity .... i0 = 0.06 0.0056 0.0029 0.00017 0.00012 0.00012",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2729,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0084",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0084",
      "label": "power po = 10,000 1000 100 1 2 20",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "power po = 10,000 1000 100 1 2 20",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2733,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0085",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0085",
      "label": "I = 45.0",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "I = 45.0",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2787,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0086",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0086",
      "label": "of light intensity at 1 meter distance; N meter-candles, thus, the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "of light intensity at 1 meter distance; N meter-candles, thus, the",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2813,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0087",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0087",
      "label": "meter distance or of 1 candle power at— -= meter distance, etc.).",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "meter distance or of 1 candle power at— -= meter distance, etc.).",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2816,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0088",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0088",
      "label": "As seen, curve (a) ends at wave length /„, = 61 X 10~fl; that is,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "As seen, curve (a) ends at wave length /„, = 61 X 10~fl; that is,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2820,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0089",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0089",
      "label": "Z0 = 51.1, bluish green for very low intensity, curve (a).",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Z0 = 51.1, bluish green for very low intensity, curve (a).",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2827,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0090",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0090",
      "label": "Z0 = 53.7, yellowish green for medium intensity, curve (b).",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Z0 = 53.7, yellowish green for medium intensity, curve (b).",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2828,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0091",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0091",
      "label": "10 = 56.5, yellow for high intensity, curve (c).",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "10 = 56.5, yellow for high intensity, curve (c).",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2829,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0092",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0092",
      "label": "shown in Fig. 25; that is, it is constant in the bluish green for",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "shown in Fig. 25; that is, it is constant in the bluish green for",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2832,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0093",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0093",
      "label": "tween 0.5 and 50 meter-candles and again remains constant in",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "tween 0.5 and 50 meter-candles and again remains constant in",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2834,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0094",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0094",
      "label": "tivity and ks is a constant which is approximately 120 for low,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "tivity and ks is a constant which is approximately 120 for low,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 2850,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0095",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0095",
      "label": "PHYSIOLOGICAL EFFECTS OF RADIATION. 51",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "PHYSIOLOGICAL EFFECTS OF RADIATION. 51",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 3093,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0096",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0096",
      "label": "PHYSIOLOGICAL EFFECTS OF RADIATION. 53",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "PHYSIOLOGICAL EFFECTS OF RADIATION. 53",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0097",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0097",
      "label": "PHYSIOLOGICAL EFFECTS OF RADIATION. 55",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "PHYSIOLOGICAL EFFECTS OF RADIATION. 55",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 3286,
          "line_end": 3286,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0098",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0098",
      "label": "PHYSIOLOGICAL EFFECTS OF RADIATION. 57",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "PHYSIOLOGICAL EFFECTS OF RADIATION. 57",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 3384,
          "line_end": 3384,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0099",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0099",
      "label": "PHYSIOLOGICAL EFFECTS OF RADIATION. 59",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "PHYSIOLOGICAL EFFECTS OF RADIATION. 59",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 3478,
          "line_end": 3478,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0100",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0100",
      "label": "PHYSIOLOGICAL EFFECTS OF RADIATION. 61",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "PHYSIOLOGICAL EFFECTS OF RADIATION. 61",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 3571,
          "line_end": 3571,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0101",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0101",
      "label": "and these free atoms then join existing molecules: 0 + 02 = 03,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "and these free atoms then join existing molecules: 0 + 02 = 03,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 3701,
          "line_end": 3701,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0102",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0102",
      "label": "oxygen 02 and using the carbon in producing the complex carbon",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "oxygen 02 and using the carbon in producing the complex carbon",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 3740,
          "line_end": 3740,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0103",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0103",
      "label": "tor and T2 = absolute temperature of the surrounding objects",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "tor and T2 = absolute temperature of the surrounding objects",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 3972,
          "line_end": 3972,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0104",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0104",
      "label": "Pr = kA (TV - ?V), (1)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Pr = kA (TV - ?V), (1)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 3976,
          "line_end": 3976,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0105",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0105",
      "label": "k = 5 X 1(T12; (2)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "k = 5 X 1(T12; (2)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 3981,
          "line_end": 3981,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0106",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0106",
      "label": "Pr = kA (T, - T2) (TV + T*T2 + 7\\7y + 7y);",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Pr = kA (T, - T2) (TV + T*T2 + 7\\7y + 7y);",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 3997,
          "line_end": 3997,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0107",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0107",
      "label": "Pr = 4 kAT* (T, - T), (3)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Pr = 4 kAT* (T, - T), (3)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4000,
          "line_end": 4000,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0108",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0108",
      "label": "temperature rise, as long as the latter is moderate, equation (3)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "temperature rise, as long as the latter is moderate, equation (3)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4013,
          "line_end": 4013,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0109",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0109",
      "label": "stationary air A^ reaches values as high as fct = 25 X 10~12 to",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "stationary air A^ reaches values as high as fct = 25 X 10~12 to",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4016,
          "line_end": 4016,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0110",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0110",
      "label": "50 X 10~12.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "50 X 10~12.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4017,
          "line_end": 4017,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0111",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0111",
      "label": "comparable with the absolute temperature T, the equation (3)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "comparable with the absolute temperature T, the equation (3)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4020,
          "line_end": 4020,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0112",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0112",
      "label": "Pr = kATf; (4)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Pr = kATf; (4)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4027,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0113",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0113",
      "label": "For instance, assuming a temperature rise of 50 deg. cent, per",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "For instance, assuming a temperature rise of 50 deg. cent, per",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4088,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0114",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0114",
      "label": "35. With increasing temperature of the radiator, the intensity",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "35. With increasing temperature of the radiator, the intensity",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4094,
          "line_end": 4094,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0115",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0115",
      "label": "the lamp to 10 times the previous distance, we get only T^ the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "the lamp to 10 times the previous distance, we get only T^ the",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4123,
          "line_end": 4123,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0116",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0116",
      "label": "where a = 5 for normal temperature radiation or black body",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "where a = 5 for normal temperature radiation or black body",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4179,
          "line_end": 4179,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0117",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0117",
      "label": "radiation; b = 1.42, and A = surface area of the radiator.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "radiation; b = 1.42, and A = surface area of the radiator.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4180,
          "line_end": 4180,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0118",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0118",
      "label": "P- f °°P (lw)dlw = Mr-1;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "P- f °°P (lw)dlw = Mr-1;",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4186,
          "line_end": 4186,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0119",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0119",
      "label": "thus, for a = 5;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "thus, for a = 5;",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4189,
          "line_end": 4189,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0120",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0120",
      "label": "lmT =- = 0.284;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "lmT =- = 0.284;",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4205,
          "line_end": 4205,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0121",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0121",
      "label": "= 50 X 10~6 thus gives:",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "= 50 X 10~6 thus gives:",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4213,
          "line_end": 4213,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0122",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0122",
      "label": "T - = 5680 deg.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "T - = 5680 deg.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4214,
          "line_end": 4214,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0123",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0123",
      "label": "length of useful life: 500 hours with the carbon filament, since",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "length of useful life: 500 hours with the carbon filament, since",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0124",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0124",
      "label": "(6). Ring carbon: low resistance (within the range of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "(6). Ring carbon: low resistance (within the range of",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4604,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0125",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0125",
      "label": "have the same radiation constant k in equation (1) ; these bodies",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "have the same radiation constant k in equation (1) ; these bodies",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0126",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0126",
      "label": "tion (1), but with a constant k, which is a fraction of the constant",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "tion (1), but with a constant k, which is a fraction of the constant",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0127",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0127",
      "label": "k = bk0 = (1 - a) fcc,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "k = bk0 = (1 - a) fcc,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4674,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0128",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0128",
      "label": "tion constant of the black body multiplied by 1 minus its albedo a.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "tion constant of the black body multiplied by 1 minus its albedo a.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0129",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0129",
      "label": "For instance, if in Fig. 29, 1 is the curve of distribution of the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "For instance, if in Fig. 29, 1 is the curve of distribution of the",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4698,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0130",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0130",
      "label": "Curve II, for albedo a = 0.3, has the height 1 - a = 0.7 times",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Curve II, for albedo a = 0.3, has the height 1 - a = 0.7 times",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4703,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0131",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0131",
      "label": "body. Curve III corresponds to albedo a = 0.6, or a radiation",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "body. Curve III corresponds to albedo a = 0.6, or a radiation",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4714,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0132",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0132",
      "label": "constant 1 - a = 0.4 times that of the black body. Colored",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "constant 1 - a = 0.4 times that of the black body. Colored",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4715,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0133",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0133",
      "label": "again by the mirror Ml and M2 we get a resultant green color",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "again by the mirror Ml and M2 we get a resultant green color",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0134",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0134",
      "label": "able shutter S2 below Sl with a single opening, we can by it cut",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "able shutter S2 below Sl with a single opening, we can by it cut",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4906,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0135",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0135",
      "label": "out a single green color, and by moving the shutter S2 bring this",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "out a single green color, and by moving the shutter S2 bring this",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4907,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0136",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0136",
      "label": "quency range, and curve V in Fig. 29, for instance, would be the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "quency range, and curve V in Fig. 29, for instance, would be the",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5064,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0137",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0137",
      "label": "in carbon bisulphide, CS2, which ignites spontaneously at about",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "in carbon bisulphide, CS2, which ignites spontaneously at about",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5168,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0138",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0138",
      "label": "45. Industrially this is the most important form of lumines-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "45. Industrially this is the most important form of lumines-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5293,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0139",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0139",
      "label": "spheres of a diameter 1.5 or more times their distance, with",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "spheres of a diameter 1.5 or more times their distance, with",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5402,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0140",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0140",
      "label": "I have two needle-shaped terminals, 5 cm. distant from each other,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "I have two needle-shaped terminals, 5 cm. distant from each other,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5437,
          "line_end": 5437,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0141",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0141",
      "label": "If the Geissler tube has a considerable diameter, 3 to 5 cm.,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "If the Geissler tube has a considerable diameter, 3 to 5 cm.,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5450,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0142",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0142",
      "label": "less luminous spaces, about as shown in Fig. 32. The distance",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "less luminous spaces, about as shown in Fig. 32. The distance",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5461,
          "line_end": 5461,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0143",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0143",
      "label": "distances of 10 cm. and over very closely 4000 volts effective",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "distances of 10 cm. and over very closely 4000 volts effective",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5488,
          "line_end": 5488,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0144",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0144",
      "label": "alternating per cm. (10,000 volts per inch) are required (a 2-cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "alternating per cm. (10,000 volts per inch) are required (a 2-cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5489,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0145",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0145",
      "label": "as 2 volts per cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "as 2 volts per cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5508,
          "line_end": 5508,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0146",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0146",
      "label": "drop of 2000 volts, and two volts per cm. in the conducting gas",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "drop of 2000 volts, and two volts per cm. in the conducting gas",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5548,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0147",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0147",
      "label": "requires a tube length of — — - = 1000 cm. = 10 m. or 33 feet,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "requires a tube length of — — - = 1000 cm. = 10 m. or 33 feet,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5552,
          "line_end": 5552,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0148",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0148",
      "label": "the terminals, requires a tube length of — — = 40 m. or 133 feet.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "the terminals, requires a tube length of — — = 40 m. or 133 feet.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5561,
          "line_end": 5561,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0149",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0149",
      "label": "(2.) By raising the voltage between the terminals so high that",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "(2.) By raising the voltage between the terminals so high that",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5630,
          "line_end": 5630,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0150",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0150",
      "label": "(4.) By raising the space between the terminals to a very high",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "(4.) By raising the space between the terminals to a very high",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5650,
          "line_end": 5650,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0151",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0151",
      "label": "and 2 through a resistance, to 'a direct current supply, and tilt",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "and 2 through a resistance, to 'a direct current supply, and tilt",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5685,
          "line_end": 5685,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0152",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0152",
      "label": "3J=10 OHMS",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "3J=10 OHMS",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5716,
          "line_end": 5716,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0153",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0153",
      "label": "(1) Because carbon is one of the very few substances which",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "(1) Because carbon is one of the very few substances which",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5762,
          "line_end": 5762,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0154",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0154",
      "label": "(2) Carbon is the most refractory substance and the tempera-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "(2) Carbon is the most refractory substance and the tempera-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5766,
          "line_end": 5766,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0155",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0155",
      "label": "49. Since the arc conduction issues as a rapidly moving vapor",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "49. Since the arc conduction issues as a rapidly moving vapor",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5848,
          "line_end": 5848,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0156",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0156",
      "label": "separated by 2.5 cm., and connected into a 220- volt direct-cur-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "separated by 2.5 cm., and connected into a 220- volt direct-cur-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5872,
          "line_end": 5872,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0157",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0157",
      "label": "I draw this arc to about 4 cm. length, and without touching C",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "I draw this arc to about 4 cm. length, and without touching C",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5884,
          "line_end": 5884,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0158",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0158",
      "label": "r =20 OHMS",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "r =20 OHMS",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5936,
          "line_end": 5936,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0159",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0159",
      "label": "T= 30 OHMS",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "T= 30 OHMS",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5983,
          "line_end": 5983,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0160",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0160",
      "label": "ing .the other. I show you this experimentally, using 50 volts",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "ing .the other. I show you this experimentally, using 50 volts",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5991,
          "line_end": 5991,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0161",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0161",
      "label": "2-cm. arc between these terminals, with 1000 volts alternating",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "2-cm. arc between these terminals, with 1000 volts alternating",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6027,
          "line_end": 6027,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0162",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0162",
      "label": "i = iu unM5",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "i = iu unM5",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6036,
          "line_end": 6036,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0163",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0163",
      "label": "point of titanium carbide (3000 deg. cent.), 40 volts at the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "point of titanium carbide (3000 deg. cent.), 40 volts at the",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6059,
          "line_end": 6059,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0164",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0164",
      "label": "and thereby increasing radiation, etc. For a 13-mm. (0.5-in.)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "and thereby increasing radiation, etc. For a 13-mm. (0.5-in.)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6077,
          "line_end": 6077,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0165",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0165",
      "label": "magnetite arc, 75 volts for the titanium carbide arc, 80 volts",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "magnetite arc, 75 volts for the titanium carbide arc, 80 volts",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6099,
          "line_end": 6099,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0166",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0166",
      "label": "produced by 4 amperes direct current across a gap of 2 cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "produced by 4 amperes direct current across a gap of 2 cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6190,
          "line_end": 6190,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0167",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0167",
      "label": "when the vapor pressure has risen to about 5 cm., the three",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "when the vapor pressure has risen to about 5 cm., the three",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6267,
          "line_end": 6267,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0168",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0168",
      "label": "2 = 10 OHM",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "2 = 10 OHM",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6337,
          "line_end": 6337,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0169",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0169",
      "label": "(1) By electro-conduction, that is, using the material as the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "(1) By electro-conduction, that is, using the material as the",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6427,
          "line_end": 6427,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0170",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0170",
      "label": "open carbon arc of old consumes about 5 cm. of electrodes per",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "open carbon arc of old consumes about 5 cm. of electrodes per",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6467,
          "line_end": 6467,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0171",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0171",
      "label": "mon titanium compound, Ti02, or rutile, is not directly suitable,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "mon titanium compound, Ti02, or rutile, is not directly suitable,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6487,
          "line_end": 6487,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0172",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0172",
      "label": "5 cm. (1 to 2 in.) per hour, and the flame-carbon arc even with",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "5 cm. (1 to 2 in.) per hour, and the flame-carbon arc even with",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6561,
          "line_end": 6561,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0173",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0173",
      "label": "cannot be produced at all. Thus, for instance, while a 500-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "cannot be produced at all. Thus, for instance, while a 500-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6596,
          "line_end": 6596,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0174",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0174",
      "label": "Thus methane, CH4, does not give a luminous flame, since it con-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Thus methane, CH4, does not give a luminous flame, since it con-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6663,
          "line_end": 6663,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0175",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0175",
      "label": "carbon atom. Ethane, C2H6, with a = 3, still gives a luminous",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "carbon atom. Ethane, C2H6, with a = 3, still gives a luminous",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6879,
          "line_end": 6879,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0176",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0176",
      "label": "side, the gasolene flame, a = 2.33, is slightly smoky. However,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "side, the gasolene flame, a = 2.33, is slightly smoky. However,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6881,
          "line_end": 6881,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0177",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0177",
      "label": "flame of the parafnne candle a = 2.08 is still smokeless but",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "flame of the parafnne candle a = 2.08 is still smokeless but",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6885,
          "line_end": 6885,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0178",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0178",
      "label": "J in. or less diameter, even acetylene, a = 1, gives smokeless",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "J in. or less diameter, even acetylene, a = 1, gives smokeless",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6887,
          "line_end": 6887,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0179",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0179",
      "label": "gives smokeless flames even up to b = 50, or one carbon atom",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "gives smokeless flames even up to b = 50, or one carbon atom",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6893,
          "line_end": 6893,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0180",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0180",
      "label": "to two hydrocarbon atoms, a = 2.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "to two hydrocarbon atoms, a = 2.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6894,
          "line_end": 6894,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0181",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0181",
      "label": "Thus kerosene, which, due to its high carbon content a = 2.14,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Thus kerosene, which, due to its high carbon content a = 2.14,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6896,
          "line_end": 6896,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0182",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0182",
      "label": "as acetylene or benzol a = 1, artificial draft and large flame",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "as acetylene or benzol a = 1, artificial draft and large flame",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6905,
          "line_end": 6905,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0183",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0183",
      "label": "smoky luminous flame: 5 C to 14 H, or a = 2.8.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "smoky luminous flame: 5 C to 14 H, or a = 2.8.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6919,
          "line_end": 6919,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0184",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0184",
      "label": "bon atom is a = 2, corresponding to a luminous but smoky",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "bon atom is a = 2, corresponding to a luminous but smoky",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6947,
          "line_end": 6947,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0185",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0185",
      "label": "carbon atom in the aldehyde : C2H40 = CO + CH4, and in CH4 :",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "carbon atom in the aldehyde : C2H40 = CO + CH4, and in CH4 :",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6952,
          "line_end": 6952,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0186",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0186",
      "label": "a = 4, corresponding to a non-luminous flame, as observed. In",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "a = 4, corresponding to a non-luminous flame, as observed. In",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6953,
          "line_end": 6953,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0187",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0187",
      "label": "C7H1402 = 2 CO + C5H14, and the ratio of hydrogen to carbon",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "C7H1402 = 2 CO + C5H14, and the ratio of hydrogen to carbon",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6955,
          "line_end": 6955,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0188",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0188",
      "label": "atoms is a = 2.8, or b = 30, corresponding to a luminous non-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "atoms is a = 2.8, or b = 30, corresponding to a luminous non-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6956,
          "line_end": 6956,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0189",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0189",
      "label": "59. Since, as discussed in Lecture VI, chemical luminescence",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "59. Since, as discussed in Lecture VI, chemical luminescence",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7010,
          "line_end": 7010,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0190",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0190",
      "label": "62. The voltage consumed by an arc, at constant current,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "62. The voltage consumed by an arc, at constant current,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7147,
          "line_end": 7147,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0191",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0191",
      "label": "intersect in a point which lies at I = — 0.125 cm. = — 0.05 in.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "intersect in a point which lies at I = — 0.125 cm. = — 0.05 in.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7199,
          "line_end": 7199,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0192",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0192",
      "label": "and e = 30 volts; that is, the voltage consumed by the arc",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "and e = 30 volts; that is, the voltage consumed by the arc",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7200,
          "line_end": 7200,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0193",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0193",
      "label": "consists of a part, e0 = 30 (for the magnetite arc), which is con-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "consists of a part, e0 = 30 (for the magnetite arc), which is con-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7201,
          "line_end": 7201,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0194",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0194",
      "label": "the arc length plus a small quantity, 1L= 0.125 (for the magne-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "the arc length plus a small quantity, 1L= 0.125 (for the magne-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7209,
          "line_end": 7209,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0195",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0195",
      "label": "tite arc): e^ = \\(l + 0.125), and depends upon the current,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "tite arc): e^ = \\(l + 0.125), and depends upon the current,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7210,
          "line_end": 7210,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0196",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0196",
      "label": "magnetite arc, for I = 0.3, 1.25, 2.5, 3.75 cm. = 0.125, 0.5, 1 and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "magnetite arc, for I = 0.3, 1.25, 2.5, 3.75 cm. = 0.125, 0.5, 1 and",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7220,
          "line_end": 7220,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0197",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0197",
      "label": "stant part, e0 = 30 volts, which apparently represents the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "stant part, e0 = 30 volts, which apparently represents the",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7222,
          "line_end": 7222,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0198",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0198",
      "label": "cubic hyperbolas: e^i = kz2; or, el =— £j and since we find for",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "cubic hyperbolas: e^i = kz2; or, el =— £j and since we find for",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7233,
          "line_end": 7233,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0199",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0199",
      "label": "constant value of current: el = k^ (I + 0.12), as function of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "constant value of current: el = k^ (I + 0.12), as function of",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7237,
          "line_end": 7237,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0200",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0200",
      "label": "ei = TT1-' (1",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "ei = TT1-' (1",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7241,
          "line_end": 7241,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0201",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0201",
      "label": "where e0, k and Zt are constants of the terminal material (k, how-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "where e0, k and Zt are constants of the terminal material (k, how-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7252,
          "line_end": 7252,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0202",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0202",
      "label": "proportional to the current, i\\ and, as the power is p0 = eQi, it",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "proportional to the current, i\\ and, as the power is p0 = eQi, it",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7267,
          "line_end": 7267,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0203",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0203",
      "label": "which is equation (1), and herefrom, since e = e0 + eir follows",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "which is equation (1), and herefrom, since e = e0 + eir follows",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7295,
          "line_end": 7295,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0204",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0204",
      "label": "63. Since e0 represents the power consumed in producing the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "63. Since e0 represents the power consumed in producing the",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7298,
          "line_end": 7298,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0205",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0205",
      "label": "e0 = 13 volts for mercury,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "e0 = 13 volts for mercury,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7305,
          "line_end": 7305,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0206",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0206",
      "label": "= 16 volts for zinc and cadmium,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "= 16 volts for zinc and cadmium,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7307,
          "line_end": 7307,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0207",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0207",
      "label": "= 30 volts for magnetite,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "= 30 volts for magnetite,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7308,
          "line_end": 7308,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0208",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0208",
      "label": "= 36 volts for carbon,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "= 36 volts for carbon,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7309,
          "line_end": 7309,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0209",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0209",
      "label": "k = 31 for magnetite (123 in inch measure),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "k = 31 for magnetite (123 in inch measure),",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7311,
          "line_end": 7311,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0210",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0210",
      "label": "= 35 for carbon (130 in inch measure).",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "= 35 for carbon (130 in inch measure).",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7312,
          "line_end": 7312,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0211",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0211",
      "label": "as done for the magnetite arc in Fig. 45, — when using only the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "as done for the magnetite arc in Fig. 45, — when using only the",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7333,
          "line_end": 7333,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0212",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0212",
      "label": "e0 = 36 volts, but I, = - 0.8 cm. = - 0.33 in.; that is, a",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "e0 = 36 volts, but I, = - 0.8 cm. = - 0.33 in.; that is, a",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7336,
          "line_end": 7336,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0213",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0213",
      "label": "point, at zero arc length, or e0' = 28 volts. This looks as if, of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "point, at zero arc length, or e0' = 28 volts. This looks as if, of",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7368,
          "line_end": 7368,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0214",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0214",
      "label": "the potential drop of e0 = 36 volts of the carbon arc, only a",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "the potential drop of e0 = 36 volts of the carbon arc, only a",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7369,
          "line_end": 7369,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0215",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0215",
      "label": "part, e0' = 28 volts, occurs at the surface of the terminals, and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "part, e0' = 28 volts, occurs at the surface of the terminals, and",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7370,
          "line_end": 7370,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0216",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0216",
      "label": "the remaining part, e\" = 8 volts, occurs in the space within",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "the remaining part, e\" = 8 volts, occurs in the space within",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7371,
          "line_end": 7371,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0217",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0217",
      "label": "drop e0' occurs. Possibly the voltage e0' = 28 is consumed at",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "drop e0' occurs. Possibly the voltage e0' = 28 is consumed at",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7376,
          "line_end": 7376,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0218",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0218",
      "label": "while the voltage e\" = 8 is consumed by the moving vapor",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "while the voltage e\" = 8 is consumed by the moving vapor",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7382,
          "line_end": 7382,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0219",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0219",
      "label": "for a magnetite arc of 1.8 cm. (about 0.75 in.) length, it follows",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "for a magnetite arc of 1.8 cm. (about 0.75 in.) length, it follows",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7391,
          "line_end": 7391,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0220",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0220",
      "label": "Inserting in series with the arc, curve I, in Fig. 48, a constant",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Inserting in series with the arc, curve I, in Fig. 48, a constant",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7408,
          "line_end": 7408,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0221",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0221",
      "label": "resistance of 10 ohms, the voltage consumed by this resistance,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "resistance of 10 ohms, the voltage consumed by this resistance,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7409,
          "line_end": 7409,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0222",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0222",
      "label": "of current, for values of current below i0 = 2.9 amperes, and the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "of current, for values of current below i0 = 2.9 amperes, and the",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7414,
          "line_end": 7414,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0223",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0223",
      "label": "current larger than i0 = 2.9 amperes, the voltage increases with",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "current larger than i0 = 2.9 amperes, the voltage increases with",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7416,
          "line_end": 7416,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0224",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0224",
      "label": "increase of current. The point i0 = 2.9 amperes thus separates",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "increase of current. The point i0 = 2.9 amperes thus separates",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7417,
          "line_end": 7417,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0225",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0225",
      "label": "part. With a series resistance of r = 10 ohms, a 1.8-cm. mag-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "part. With a series resistance of r = 10 ohms, a 1.8-cm. mag-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7419,
          "line_end": 7419,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0226",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0226",
      "label": "netite arc thus requires at least e = 117 volts supply voltage,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "netite arc thus requires at least e = 117 volts supply voltage,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7420,
          "line_end": 7420,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0227",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0227",
      "label": "and i0 = 2.9 amperes for steady operation. With a larger",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "and i0 = 2.9 amperes for steady operation. With a larger",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7421,
          "line_end": 7421,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0228",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0228",
      "label": "series resistance, as r = 20 ohms, represented by curve II' and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "series resistance, as r = 20 ohms, represented by curve II' and",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7422,
          "line_end": 7422,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0229",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0229",
      "label": "be operated ; with a lower series resistance, r = 5 ohms, curves",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "be operated ; with a lower series resistance, r = 5 ohms, curves",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7424,
          "line_end": 7424,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0230",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0230",
      "label": "Fig. 48 is horizontal, that is, the slope of the resistance curve",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Fig. 48 is horizontal, that is, the slope of the resistance curve",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7459,
          "line_end": 7459,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0231",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0231",
      "label": "or, E^e+ti. (6)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "or, E^e+ti. (6)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7491,
          "line_end": 7491,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0232",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0232",
      "label": "Thus, in an arc requiring 80 volts, of which e0 = 30 volts are",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Thus, in an arc requiring 80 volts, of which e0 = 30 volts are",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7498,
          "line_end": 7498,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0233",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0233",
      "label": "consumed at the terminals, ^ = 50 volts in the arc stream,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "consumed at the terminals, ^ = 50 volts in the arc stream,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7499,
          "line_end": 7499,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0234",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0234",
      "label": "= 80 + 25 = 105 volts is required.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "= 80 + 25 = 105 volts is required.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7502,
          "line_end": 7502,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0235",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0235",
      "label": "pi = 6li = kli, (7)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "pi = 6li = kli, (7)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7531,
          "line_end": 7531,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0236",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0236",
      "label": "thus gives e1 = klf or independent of the current; and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "thus gives e1 = klf or independent of the current; and",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7533,
          "line_end": 7533,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0237",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0237",
      "label": "e = e0 + ev",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "e = e0 + ev",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7535,
          "line_end": 7535,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0238",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0238",
      "label": "= e0 + A*; (8)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "= e0 + A*; (8)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7536,
          "line_end": 7536,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0239",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0239",
      "label": "rent, and consists of a constant part, the terminal drop e0, and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "rent, and consists of a constant part, the terminal drop e0, and",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7540,
          "line_end": 7540,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0240",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0240",
      "label": "e0 = 13 volts ; k = -y-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "e0 = 13 volts ; k = -y-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7547,
          "line_end": 7547,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0241",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0241",
      "label": "e0 = 13 volts,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "e0 = 13 volts,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7579,
          "line_end": 7579,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0242",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0242",
      "label": "a = 1.68,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "a = 1.68,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7581,
          "line_end": 7581,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0243",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0243",
      "label": "6 = 0.29 for mercury anode,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "6 = 0.29 for mercury anode,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7583,
          "line_end": 7583,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0244",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0244",
      "label": "= 0.167 for graphite or metal anode,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "= 0.167 for graphite or metal anode,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7585,
          "line_end": 7585,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0245",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0245",
      "label": "c = 0.52.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "c = 0.52.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7587,
          "line_end": 7587,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0246",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0246",
      "label": "L = k'li, (9)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "L = k'li, (9)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7735,
          "line_end": 7735,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0247",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0247",
      "label": "ei = p] (10)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "ei = p] (10)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7739,
          "line_end": 7739,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0248",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0248",
      "label": "e=e0 + ^ (11)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "e=e0 + ^ (11)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7743,
          "line_end": 7743,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0249",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0249",
      "label": "L = - (pVi - ejVi), (13)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "L = - (pVi - ejVi), (13)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7764,
          "line_end": 7764,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0250",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0250",
      "label": "Assuming p = 300 watts, and the constants of the magnetite",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "Assuming p = 300 watts, and the constants of the magnetite",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7782,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0251",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0251",
      "label": "arc: eQ = 30, k = 31, gives:",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "arc: eQ = 30, k = 31, gives:",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7783,
          "line_end": 7783,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0252",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0252",
      "label": "i = 3.33 amperes,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "i = 3.33 amperes,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7785,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0253",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0253",
      "label": "e = 90 volts,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "e = 90 volts,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7786,
          "line_end": 7786,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0254",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0254",
      "label": "I = 2.21 cm. = 0.885 in.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "I = 2.21 cm. = 0.885 in.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7787,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0255",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0255",
      "label": "(2) The shorter arc gives lower voltage, and this, in constant-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "(2) The shorter arc gives lower voltage, and this, in constant-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7801,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0256",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0256",
      "label": "i = 4: e = 75 volts, and I + l^ = 0.73 in., or about f-in. arc",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "i = 4: e = 75 volts, and I + l^ = 0.73 in., or about f-in. arc",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7808,
          "line_end": 7808,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0257",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0257",
      "label": "(2) Since the arc does not start itself, but has to be started",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "(2) Since the arc does not start itself, but has to be started",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7875,
          "line_end": 7875,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0258",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0258",
      "label": "69. For illustration, the operating mechanism of a constant",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "69. For illustration, the operating mechanism of a constant",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7936,
          "line_end": 7936,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0259",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0259",
      "label": "closes a shunt circuit from terminal 1 over resistance R, con-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "closes a shunt circuit from terminal 1 over resistance R, con-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8021,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0260",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0260",
      "label": "550 volts, a steadying resistance R0 would be inserted, as indi-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "550 volts, a steadying resistance R0 would be inserted, as indi-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8051,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0261",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0261",
      "label": "as in Fig. 50. A reactance x in series",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "as in Fig. 50. A reactance x in series",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8108,
          "line_end": 8108,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0262",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0262",
      "label": "and resistance R, to terminal 2. The solenoid 0 pulls up its",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "and resistance R, to terminal 2. The solenoid 0 pulls up its",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8172,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0263",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0263",
      "label": "constant direct-current circuits of 9.6 and 6.6 amp. with 40 to",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "constant direct-current circuits of 9.6 and 6.6 amp. with 40 to",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8255,
          "line_end": 8255,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0264",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0264",
      "label": "ated on constant-current circuits of 5 amp. and 6.6 amp.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "ated on constant-current circuits of 5 amp. and 6.6 amp.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8259,
          "line_end": 8259,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0265",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0265",
      "label": "single lamps, of 5 to 9 amp. on direct- or alternating-current",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "single lamps, of 5 to 9 amp. on direct- or alternating-current",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8262,
          "line_end": 8262,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0266",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0266",
      "label": "constant potential circuits of 110 to 125 volts, or two lamps in",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "constant potential circuits of 110 to 125 volts, or two lamps in",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8263,
          "line_end": 8263,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0267",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0267",
      "label": "operated two in series on constant-potential circuits of 110 to",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "operated two in series on constant-potential circuits of 110 to",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8267,
          "line_end": 8267,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0268",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0268",
      "label": "The luminous arcs are operated on 4- and 6.6-amp. constant",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "The luminous arcs are operated on 4- and 6.6-amp. constant",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8271,
          "line_end": 8271,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0269",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0269",
      "label": "lamp, and on 3- and 4.5-amp. constant alternating-current cir-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "lamp, and on 3- and 4.5-amp. constant alternating-current cir-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8273,
          "line_end": 8273,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0270",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0270",
      "label": "cuits (titanium-carbide arc), with 80 volts per lamp.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "cuits (titanium-carbide arc), with 80 volts per lamp.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8274,
          "line_end": 8274,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0271",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0271",
      "label": "72. Arc lamps are built for, and operated on, constant-poten-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "72. Arc lamps are built for, and operated on, constant-poten-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8278,
          "line_end": 8278,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0272",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0272",
      "label": "while the remaining 71 per cent is wasted in the resistance",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "while the remaining 71 per cent is wasted in the resistance",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8308,
          "line_end": 8308,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0273",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0273",
      "label": "single lamps on 220 to 250 volts supply, with extra great arc",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "single lamps on 220 to 250 volts supply, with extra great arc",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8320,
          "line_end": 8320,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0274",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0274",
      "label": "In constant-current arc circuits, usually from 50 to 100",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "In constant-current arc circuits, usually from 50 to 100",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8388,
          "line_end": 8388,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0275",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0275",
      "label": "73. Constant direct current was produced by so-called \"arc",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "73. Constant direct current was produced by so-called \"arc",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8393,
          "line_end": 8393,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0276",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0276",
      "label": "74. Since radiation is energy, it can be measured as such",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "74. Since radiation is energy, it can be measured as such",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8514,
          "line_end": 8514,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0277",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0277",
      "label": "of resistance of 1 in a million and, with very sensitive measure-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "of resistance of 1 in a million and, with very sensitive measure-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8541,
          "line_end": 8541,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0278",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0278",
      "label": "1 deg. cent, produces a resistance change of about 0.4 per cent,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "1 deg. cent, produces a resistance change of about 0.4 per cent,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8543,
          "line_end": 8543,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0279",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0279",
      "label": "logical effect exerted on the human eye by 5 sq. mm. of melting",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "logical effect exerted on the human eye by 5 sq. mm. of melting",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8618,
          "line_end": 8618,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0280",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0280",
      "label": "as a calibrated or standardized 16-cp. incandescent lamp, and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "as a calibrated or standardized 16-cp. incandescent lamp, and",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8716,
          "line_end": 8716,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0281",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0281",
      "label": "L -T- S = x2 -T- 7/2, where x and y are the two distances of the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "L -T- S = x2 -T- 7/2, where x and y are the two distances of the",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8720,
          "line_end": 8720,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0282",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0282",
      "label": "where i0 is the illumination or light flux density when using",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "where i0 is the illumination or light flux density when using",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9037,
          "line_end": 9037,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0283",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0283",
      "label": "81. Since light is a physiological effect, the measurement of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "81. Since light is a physiological effect, the measurement of",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9040,
          "line_end": 9040,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0284",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0284",
      "label": "light at right angles from 1 sq. cm. of melting platinum. (Ap-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "light at right angles from 1 sq. cm. of melting platinum. (Ap-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9057,
          "line_end": 9057,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0285",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0285",
      "label": "82. A number of primary standards have lately been pro-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "82. A number of primary standards have lately been pro-",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9103,
          "line_end": 9103,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0286",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0286",
      "label": "ian only, for instance, from 10 to 10 degrees. To get herefrom",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "ian only, for instance, from 10 to 10 degrees. To get herefrom",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9201,
          "line_end": 9201,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0287",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0287",
      "label": "covers a zone of 10 degrees width and 2 it cos $ circumference,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "covers a zone of 10 degrees width and 2 it cos $ circumference,",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9207,
          "line_end": 9207,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0288",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0288",
      "label": "covers, 2 nd cos <j>, where d is the angular width of the zone",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "covers, 2 nd cos <j>, where d is the angular width of the zone",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9215,
          "line_end": 9215,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0289",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0289",
      "label": "(10 deg., for instance), and then added. The average or mean",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "(10 deg., for instance), and then added. The average or mean",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9216,
          "line_end": 9216,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0290",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0290",
      "label": "10 deg. gives d = — - TT. This usually is done graphically.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "10 deg. gives d = — - TT. This usually is done graphically.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9232,
          "line_end": 9232,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0291",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0291",
      "label": "4 it lumens (since the area at unit distance from a point is the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "4 it lumens (since the area at unit distance from a point is the",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9409,
          "line_end": 9409,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0292",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0292",
      "label": "the downward beam would be given by (f> = 0, the horizontal",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "the downward beam would be given by (f> = 0, the horizontal",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9472,
          "line_end": 9472,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0293",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0293",
      "label": "beam by ^ = 90 deg., and the upward beam by <j> = 180 deg.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "beam by ^ = 90 deg., and the upward beam by <j> = 180 deg.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9473,
          "line_end": 9473,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0294",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0294",
      "label": "(<£ = 90 deg.) covers a zone of 2 rn circumference, while the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "(<£ = 90 deg.) covers a zone of 2 rn circumference, while the",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9497,
          "line_end": 9497,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0295",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0295",
      "label": "intensity in any other direction (f> covers a zone of 2 rn sin <j>",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "intensity in any other direction (f> covers a zone of 2 rn sin <j>",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9498,
          "line_end": 9498,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0296",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0296",
      "label": "dA = 2 n sin",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "dA = 2 n sin",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9546,
          "line_end": 9546,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0297",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0297",
      "label": "= 27r/sin<M^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "= 27r/sin<M^",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9556,
          "line_end": 9556,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0298",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0298",
      "label": "<£ = 2 TT / /sin (f>d(/>.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "<£ = 2 TT / /sin (f>d(/>.",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9559,
          "line_end": 9559,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0299",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0299",
      "label": "The light flux in the space from the downward direction </> = 0",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "The light flux in the space from the downward direction </> = 0",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9569,
          "line_end": 9569,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::equation::radiation-light-and-illumination-eq-candidate-0300",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "equation",
      "record_id": "radiation-light-and-illumination-eq-candidate-0300",
      "label": "fc1 = 2 TT / sin <t>dfa (3)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "original_form": "fc1 = 2 TT / sin <t>dfa (3)",
        "modern_form": "",
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9574,
          "line_end": 9574,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-001",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-001",
      "label": "tion, the time at which the moon M should disappear from sight, FIG. 1. when seen from the earth E, by passing behind Jupiter, 7 (Fig. 1), could be exactly calculated. It was found, however, that some-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 1,
        "caption": "tion, the time at which the moon M should disappear from sight, FIG. 1. when seen from the earth E, by passing behind Jupiter, 7 (Fig. 1), could be exactly calculated. It was found, however, that some-",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 656,
          "line_end": 656,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-002",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-002",
      "label": "5_MOE_S FIG. 2. direction the light reappears. If the disk is slowly revolved, alter- nate light and darkness will be observed, but when the speed in-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 2,
        "caption": "5_MOE_S FIG. 2. direction the light reappears. If the disk is slowly revolved, alter- nate light and darkness will be observed, but when the speed in-",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 697,
          "line_end": 697,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-003",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-003",
      "label": "from the upper surface of the plain glass plate A. A beam of FIG. 3. reflected light a, thus is a combination of a beam b and a beam c.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 3,
        "caption": "from the upper surface of the plain glass plate A. A beam of FIG. 3. reflected light a, thus is a combination of a beam b and a beam c.",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 785,
          "line_end": 785,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-004",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-004",
      "label": "glass plates. At those points dv dv etc. at which the distance FIG. 4. between the two glass plates is J wave length, or j, J, etc., the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 4,
        "caption": "glass plates. At those points dv dv etc. at which the distance FIG. 4. between the two glass plates is J wave length, or j, J, etc., the",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 794,
          "line_end": 794,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-005",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-005",
      "label": "etc. in the plane of the paper, and thus perpendicular to the ray FIG. 5. of light. In the former case (a longitudinal vibration, as sound) there obviously can be no difference between the directions at",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 5,
        "caption": "etc. in the plane of the paper, and thus perpendicular to the ray FIG. 5. of light. In the former case (a longitudinal vibration, as sound) there obviously can be no difference between the directions at",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 922,
          "line_end": 922,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-009",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-009",
      "label": "it to you, by bringing the rods near to this Crookes' radiometer, FIG. 9. which is an instrument showing the energy of radiation. It con- sists (Fig. 10) of four aluminum vanes, mounted in a moderately",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 9,
        "caption": "it to you, by bringing the rods near to this Crookes' radiometer, FIG. 9. which is an instrument showing the energy of radiation. It con- sists (Fig. 10) of four aluminum vanes, mounted in a moderately",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1016,
          "line_end": 1016,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-010",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-010",
      "label": "(red, orange and yellow) with increase in temperature, the light FIG. 10. 12",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 10,
        "caption": "(red, orange and yellow) with increase in temperature, the light FIG. 10. 12",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1075,
          "line_end": 1075,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-011",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-011",
      "label": "of the lower frequencies of visible radiation, red or orange. FIG. 11. In the tungsten lamp at high brilliancy and more still in the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 11,
        "caption": "of the lower frequencies of visible radiation, red or orange. FIG. 11. In the tungsten lamp at high brilliancy and more still in the",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1094,
          "line_end": 1094,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-012",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-012",
      "label": "They are used in wireless telegraphy, etc. I here connect (Fig. 12) FIG. 12. the condenser C of the apparatus which I used for operating the ultra-violet arc, to a spark gap Gv of which the one side is con-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 12,
        "caption": "They are used in wireless telegraphy, etc. I here connect (Fig. 12) FIG. 12. the condenser C of the apparatus which I used for operating the ultra-violet arc, to a spark gap Gv of which the one side is con-",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1220,
          "line_end": 1220,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-013",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-013",
      "label": "o — ^^ — o FIG. 13. has been measured by Herz by producing standing waves by combination of main wave and reflected wave.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 13,
        "caption": "o — ^^ — o FIG. 13. has been measured by Herz by producing standing waves by combination of main wave and reflected wave.",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1268,
          "line_end": 1268,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-014",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-014",
      "label": "as far as possible when producing light, as they consume power FIG. 14. and so lower the efficiency; the ultra-violet rays are of importance in medicine as germ killers. They are more or less destructive",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 14,
        "caption": "as far as possible when producing light, as they consume power FIG. 14. and so lower the efficiency; the ultra-violet rays are of importance in medicine as germ killers. They are more or less destructive",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1506,
          "line_end": 1506,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-015",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-015",
      "label": "edge of the beam reaches the boundary at D its speed changes FIG. 15. by entering the medium W — decreases in the present instance. Let then Sl = speed of propagation in medium A, S2 = speed of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 15,
        "caption": "edge of the beam reaches the boundary at D its speed changes FIG. 15. by entering the medium W — decreases in the present instance. Let then Sl = speed of propagation in medium A, S2 = speed of",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1654,
          "line_end": 1654,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-016",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-016",
      "label": "medium into another, and the higher frequencies are deflected FIG. 16. more than the lower frequencies, thus showing that the velocity of propagation decreases with an increase of frequency, that is,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 16,
        "caption": "medium into another, and the higher frequencies are deflected FIG. 16. more than the lower frequencies, thus showing that the velocity of propagation decreases with an increase of frequency, that is,",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1819,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-017",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-017",
      "label": "VIOLET FIG. 17. a number of very faint red and orange lines, of which three are indicated dotted in Fig. 17.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 17,
        "caption": "VIOLET FIG. 17. a number of very faint red and orange lines, of which three are indicated dotted in Fig. 17.",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1885,
          "line_end": 1885,
          "verification": "needs-verification"
        }
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    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-018",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-018",
      "label": "perature rise, their brilliancy is greatly increased. FIG. 18. Combinations of the different types of spectra: continuous spectrum, line spectrum, band spectrum, reversed spectrum,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 18,
        "caption": "perature rise, their brilliancy is greatly increased. FIG. 18. Combinations of the different types of spectra: continuous spectrum, line spectrum, band spectrum, reversed spectrum,",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 1974,
          "line_end": 1974,
          "verification": "needs-verification"
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    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-019",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-019",
      "label": "and the body thus acts as a mirror, that is, gives a virtual image FIG. 19. back of it as shown in dotted line in Fig. 18. In the latter case (Fig. 19) the light is reflected irregularly in all directions.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 19,
        "caption": "and the body thus acts as a mirror, that is, gives a virtual image FIG. 19. back of it as shown in dotted line in Fig. 18. In the latter case (Fig. 19) the light is reflected irregularly in all directions.",
        "linked_concepts": [],
        "source_ref": {
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          "line_start": 2013,
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          "verification": "needs-verification"
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    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-021",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-021",
      "label": "VIOLET FIG. 21. in the ultra-red and ultra-violet, where no power of radiation can produce visibility. It thus varies about as indicated in Fig. 22.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 21,
        "caption": "VIOLET FIG. 21. in the ultra-red and ultra-violet, where no power of radiation can produce visibility. It thus varies about as indicated in Fig. 22.",
        "linked_concepts": [],
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          "line_start": 2582,
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          "verification": "needs-verification"
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    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-022",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-022",
      "label": "the basis of equal ease in distinguishing objects. As the pur- FIG. 22. pose for which light is used is to distinguish objects, the correct comparison of lights obviously is on the basis of equal distinctness",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 22,
        "caption": "the basis of equal ease in distinguishing objects. As the pur- FIG. 22. pose for which light is used is to distinguish objects, the correct comparison of lights obviously is on the basis of equal distinctness",
        "linked_concepts": [],
        "source_ref": {
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          "line_start": 2618,
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          "verification": "needs-verification"
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    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-023",
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      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-023",
      "label": "v FIG. 23. meter candles (or rather log i) as abscissas, for red light, wave length 65.0; orange yellow light, wave length 59; bluish green",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 23,
        "caption": "v FIG. 23. meter candles (or rather log i) as abscissas, for red light, wave length 65.0; orange yellow light, wave length 59; bluish green",
        "linked_concepts": [],
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          "line_start": 2694,
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          "verification": "needs-verification"
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      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-024",
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      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-024",
      "label": "\\ FIG. 24. (1 meter-candle is the illumination produced by 1 candle power",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 24,
        "caption": "\\ FIG. 24. (1 meter-candle is the illumination produced by 1 candle power",
        "linked_concepts": [],
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          "line_start": 2809,
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          "verification": "needs-verification"
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    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-025",
      "person": "Charles Proteus Steinmetz",
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      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-025",
      "label": "S FIG. 25. 62 for high intensities and changes in approximately the same range of intensities in which lwo changes; ks is also plotted in",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 25,
        "caption": "S FIG. 25. 62 for high intensities and changes in approximately the same range of intensities in which lwo changes; ks is also plotted in",
        "linked_concepts": [],
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          "line_start": 2945,
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          "verification": "needs-verification"
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      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-026",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-026",
      "label": "YELLOW GREEN FIG. 26. carbon filament would be somewhat like C. That is, the physio-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 26,
        "caption": "YELLOW GREEN FIG. 26. carbon filament would be somewhat like C. That is, the physio-",
        "linked_concepts": [],
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          "line_start": 3036,
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          "verification": "needs-verification"
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    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-027",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-027",
      "label": "fore, increase enormously with the increase of temperature. FIG. 27. With bodies in a vacuum, the radiation power is the power input and this above law can be used to calculate the tempera-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 27,
        "caption": "fore, increase enormously with the increase of temperature. FIG. 27. With bodies in a vacuum, the radiation power is the power input and this above law can be used to calculate the tempera-",
        "linked_concepts": [],
        "source_ref": {
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          "line_start": 4062,
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          "verification": "needs-verification"
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    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-028",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-028",
      "label": "weight, exhibit a periodicity in their properties which permits FIG. 28. a systematic study of their properties. In diagram Fig. 28 the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 28,
        "caption": "weight, exhibit a periodicity in their properties which permits FIG. 28. a systematic study of their properties. In diagram Fig. 28 the",
        "linked_concepts": [],
        "source_ref": {
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          "line_start": 4310,
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          "verification": "needs-verification"
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    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-029",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-029",
      "label": "\\\\ FIG. 29. power required to maintain the temperature is correspondingly less, hence the efficiency is the same and merely a larger radiator",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 29,
        "caption": "\\\\ FIG. 29. power required to maintain the temperature is correspondingly less, hence the efficiency is the same and merely a larger radiator",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4741,
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-030",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-030",
      "label": "where colored radiation or luminescence is present. Thus the FIG. 30. radiation given by the interior of a closed body of uniform tem- perature ceases to be black body radiation if the interior is filled",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 30,
        "caption": "where colored radiation or luminescence is present. Thus the FIG. 30. radiation given by the interior of a closed body of uniform tem- perature ceases to be black body radiation if the interior is filled",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 4923,
          "line_end": 4923,
          "verification": "needs-verification"
        }
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    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-031",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-031",
      "label": "one, the other from the other terminal. They are stationary FIG. 31. only if the gas pressure is perfectly constant, but separate and contract with the slightest change of pressure, hence are almost",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 31,
        "caption": "one, the other from the other terminal. They are stationary FIG. 31. only if the gas pressure is perfectly constant, but separate and contract with the slightest change of pressure, hence are almost",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5467,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-032",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-032",
      "label": "II II FIG. 32. decreasing gas pressure the voltage consumed in the space be-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 32,
        "caption": "II II FIG. 32. decreasing gas pressure the voltage consumed in the space be-",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5499,
          "line_end": 5499,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-033",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-033",
      "label": "and you see the striated Geissler discharge through mercury FIG. 33. vapor appear between terminals 2 and 3, giving the green light> of the mercury spectrum. The terminals are quiet, as they do",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 33,
        "caption": "and you see the striated Geissler discharge through mercury FIG. 33. vapor appear between terminals 2 and 3, giving the green light> of the mercury spectrum. The terminals are quiet, as they do",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5680,
          "line_end": 5680,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-034",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-034",
      "label": "3J=10 OHMS FIG. 34. and the spectrum of the arc is the spectrum of the negative ter- minal. An exception herefrom, occurs only in those cases in",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 34,
        "caption": "3J=10 OHMS FIG. 34. and the spectrum of the arc is the spectrum of the negative ter- minal. An exception herefrom, occurs only in those cases in",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5719,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-035",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-035",
      "label": "tendency exists of shifting the starting point, and the arc becomes FIG. 35. LUMINESCENCE.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 35,
        "caption": "tendency exists of shifting the starting point, and the arc becomes FIG. 35. LUMINESCENCE.",
        "linked_concepts": [],
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          "source_id": "radiation-light-and-illumination",
          "line_start": 5836,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-036",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-036",
      "label": "lished by the vapor stream coming from the negative. Thus the FIG. 36. arc can be started by merely starting a conducting vapor stream from the negative, as by an auxiliary arc. As soon as this con-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 36,
        "caption": "lished by the vapor stream coming from the negative. Thus the FIG. 36. arc can be started by merely starting a conducting vapor stream from the negative, as by an auxiliary arc. As soon as this con-",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5860,
          "line_end": 5860,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-037",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-037",
      "label": "draw it out until the arc flame wraps itself all around terminal FIG. 37. B} but the arc does not transfer. I even insert 10 ohms resist- ance rl in series with C (Fig. 37), so that the voltage AB is about",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 37,
        "caption": "draw it out until the arc flame wraps itself all around terminal FIG. 37. B} but the arc does not transfer. I even insert 10 ohms resist- ance rl in series with C (Fig. 37), so that the voltage AB is about",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5898,
          "line_end": 5898,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-038",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-038",
      "label": "ws FIG. 38. negative, that is, at a higher potential difference and a shorter distance against A than B is. I even hold C for some time in",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 38,
        "caption": "ws FIG. 38. negative, that is, at a higher potential difference and a shorter distance against A than B is. I even hold C for some time in",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5941,
          "line_end": 5941,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-039",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-039",
      "label": "MAA FIG. 39. current during one half-wave only, but no current at all dur- ing .the other. I show you this experimentally, using 50 volts",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 39,
        "caption": "MAA FIG. 39. current during one half-wave only, but no current at all dur- ing .the other. I show you this experimentally, using 50 volts",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 5988,
          "line_end": 5988,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-040",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-040",
      "label": "60 CYCLES FIG. 40. terminals. The cause is obvious: to maintain an arc between",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 40,
        "caption": "60 CYCLES FIG. 40. terminals. The cause is obvious: to maintain an arc between",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6045,
          "line_end": 6045,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-041",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-041",
      "label": "and thereby increasing radiation, etc. For a 13-mm. (0.5-in.) FIG. 41. arc it is approximately shown as Curve II in Fig. 41 : 20 volts",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 41,
        "caption": "and thereby increasing radiation, etc. For a 13-mm. (0.5-in.) FIG. 41. arc it is approximately shown as Curve II in Fig. 41 : 20 volts",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6080,
          "line_end": 6080,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-043",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-043",
      "label": "cannot freely condense, the mercury vapor pressure rises and FIG. 43. presses the mercury level down in the center tubes, up in the outside tubes, as indicated at b in Fig. 43, and thereby",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 43,
        "caption": "cannot freely condense, the mercury vapor pressure rises and FIG. 43. presses the mercury level down in the center tubes, up in the outside tubes, as indicated at b in Fig. 43, and thereby",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6261,
          "line_end": 6261,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-044",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-044",
      "label": "*m FIG. 44. to a bright pinkish-red arc, and the spectroscope shows that the spectrum lines in the red and orange have greatly increased in",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 44,
        "caption": "*m FIG. 44. to a bright pinkish-red arc, and the spectroscope shows that the spectrum lines in the red and orange have greatly increased in",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 6344,
          "line_end": 6344,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-045",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-045",
      "label": "1 0 FIG. 45. arc length, I, we get tor every value of current, i, a practically straight line, as shown for the magnetite arc in Fig. 45, for values",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 45,
        "caption": "1 0 FIG. 45. arc length, I, we get tor every value of current, i, a practically straight line, as shown for the magnetite arc in Fig. 45, for values",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7181,
          "line_end": 7181,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-047",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-047",
      "label": "1J5 IN. FIG. 47. lengths, however, the observed values of voltage drop below the straight line, as shown in Fig. 47, and converge towards a",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 47,
        "caption": "1J5 IN. FIG. 47. lengths, however, the observed values of voltage drop below the straight line, as shown in Fig. 47, and converge towards a",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7364,
          "line_end": 7364,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-049",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-049",
      "label": "arc. Thus comparing in Fig. 49 a 1-in. carbon arc A with a FIG. 49. 0.5-in. carbon arc B, the former requires, at 5 amperes, 112 volts and 560 watts, the latter only 84 volts and 420 watts,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 49,
        "caption": "arc. Thus comparing in Fig. 49 a 1-in. carbon arc A with a FIG. 49. 0.5-in. carbon arc B, the former requires, at 5 amperes, 112 volts and 560 watts, the latter only 84 volts and 420 watts,",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7635,
          "line_end": 7635,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-050",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-050",
      "label": "154 RADIATION, LIGHT, AND ILLUMINATION. FIG. 50. FIG. 51a.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 50,
        "caption": "154 RADIATION, LIGHT, AND ILLUMINATION. FIG. 50. FIG. 51a.",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 7964,
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          "verification": "needs-verification"
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    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-052",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-052",
      "label": "70. With the luminous arc, in which the light is proportional FIG. 52. 158",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 52,
        "caption": "70. With the luminous arc, in which the light is proportional FIG. 52. 158",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8127,
          "line_end": 8127,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-054",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-054",
      "label": "\\r FIG. 54. ous height follow each other. Thus with an average arc volt- age of 75, momentary peaks of 85 volts will probably be reached",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 54,
        "caption": "\\r FIG. 54. ous height follow each other. Thus with an average arc volt- age of 75, momentary peaks of 85 volts will probably be reached",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8224,
          "line_end": 8224,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-055",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-055",
      "label": "as shown diagrammatically in its simplest form in Fig. 55, the FIG. 55. two white screens A and B are illuminated, the one, A, by the light, L, which is to be tested, the other, B, by the standard S,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 55,
        "caption": "as shown diagrammatically in its simplest form in Fig. 55, the FIG. 55. two white screens A and B are illuminated, the one, A, by the light, L, which is to be tested, the other, B, by the standard S,",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8712,
          "line_end": 8712,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-057",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-057",
      "label": "accuracy. FIG. 57. 78. When comparing lamps giving light of the same color, as incandescent lamps of the same filament temperature, that is,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 57,
        "caption": "accuracy. FIG. 57. 78. When comparing lamps giving light of the same color, as incandescent lamps of the same filament temperature, that is,",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8797,
          "line_end": 8797,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-058",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-058",
      "label": "MEASUREMENT OF LIGHT AND RADIATION. 175 FIG. 58. the photometer may be used as far as it agrees with the lumi-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 58,
        "caption": "MEASUREMENT OF LIGHT AND RADIATION. 175 FIG. 58. the photometer may be used as far as it agrees with the lumi-",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 8928,
          "line_end": 8928,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-059",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-059",
      "label": "Fig. 59, is the distribution curve in one meridian, it is the same FIG. 59. in every other meridian, and for photometric test of the illumi- nant it is sufficient to measure the light intensities in one merid-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 59,
        "caption": "Fig. 59, is the distribution curve in one meridian, it is the same FIG. 59. in every other meridian, and for photometric test of the illumi- nant it is sufficient to measure the light intensities in one merid-",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9197,
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          "verification": "needs-verification"
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    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-060",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-060",
      "label": "the former, giving a horizontal or equatorial distribution of FIG. 60. light intensity about as shown in Fig. 60. In this case the horizontal distribution curve may also be determined photo-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 60,
        "caption": "the former, giving a horizontal or equatorial distribution of FIG. 60. light intensity about as shown in Fig. 60. In this case the horizontal distribution curve may also be determined photo-",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9242,
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-061",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-061",
      "label": "side — minimum — intensity. Such curves are shown in Fig. 61. FIG. 61. This, however, carried out for every angle in the meridian, makes arc-light photometry rather laborious, especially as",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 61,
        "caption": "side — minimum — intensity. Such curves are shown in Fig. 61. FIG. 61. This, however, carried out for every angle in the meridian, makes arc-light photometry rather laborious, especially as",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
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    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-062",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-062",
      "label": "is: FIG. 62. = 27r/sin<M^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 62,
        "caption": "is: FIG. 62. = 27r/sin<M^",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
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    },
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      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-064",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-064",
      "label": "192 RADIATION, LIGHT, AND ILLUMINATION. FIG. 64. FIG. 65.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 64,
        "caption": "192 RADIATION, LIGHT, AND ILLUMINATION. FIG. 64. FIG. 65.",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9724,
          "line_end": 9724,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-065",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-065",
      "label": "FIG. 64. FIG. 65. FIG. 66.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 65,
        "caption": "FIG. 64. FIG. 65. FIG. 66.",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9727,
          "line_end": 9727,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-066",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-066",
      "label": "FIG. 65. FIG. 66. LIGHT FLUX AND DISTRIBUTION. 193",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 66,
        "caption": "FIG. 65. FIG. 66. LIGHT FLUX AND DISTRIBUTION. 193",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-067",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-067",
      "label": "direction. FIG. 67. Straight Line or Cylindrical Radiator.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 67,
        "caption": "direction. FIG. 67. Straight Line or Cylindrical Radiator.",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9851,
          "line_end": 9851,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-068",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-068",
      "label": "24 deg. above the horizontal, or in the space between a and a' in Fig. 68. It is interesting to compare the three radiators, (1), (2), and (5), on the basis of equal maximum intensity, and on the basis of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 68,
        "caption": "24 deg. above the horizontal, or in the space between a and a' in Fig. 68. It is interesting to compare the three radiators, (1), (2), and (5), on the basis of equal maximum intensity, and on the basis of",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 9930,
          "line_end": 9930,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-070",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-070",
      "label": "> FIG. 70. FIG. 71.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 70,
        "caption": "> FIG. 70. FIG. 71.",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 10274,
          "line_end": 10274,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-071",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-071",
      "label": "FIG. 70. FIG. 71. In Fig. 72 is plotted the intensity distribution in the meridian",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 71,
        "caption": "FIG. 70. FIG. 71. In Fig. 72 is plotted the intensity distribution in the meridian",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 10277,
          "line_end": 10277,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-072",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-072",
      "label": "(7) Single-Loop Filament. FIG. 72. 200",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 72,
        "caption": "(7) Single-Loop Filament. FIG. 72. 200",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 10313,
          "line_end": 10313,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-073",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-073",
      "label": "meridianal distribution of the sides A + B is : FIG. 73. 7 = 4 r/",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 73,
        "caption": "meridianal distribution of the sides A + B is : FIG. 73. 7 = 4 r/",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 10367,
          "line_end": 10367,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-074",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-074",
      "label": "Figs. 70 and 71. FIG. 74. In the meridian of minimum intensity, the light intensity 73 produced by the projection of the half circle in its own plane,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 74,
        "caption": "Figs. 70 and 71. FIG. 74. In the meridian of minimum intensity, the light intensity 73 produced by the projection of the half circle in its own plane,",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 10396,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-075",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-075",
      "label": "has from the center 0 of the radiator the distance FIG. 75. a = 00",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 75,
        "caption": "has from the center 0 of the radiator the distance FIG. 75. a = 00",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 10713,
          "line_end": 10713,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-078",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-078",
      "label": "^ FIG. 78. 94. In Table III are given",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 78,
        "caption": "^ FIG. 78. 94. In Table III are given",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 10952,
          "line_end": 10952,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-081",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-081",
      "label": "V////A W/\\ v////\\ FIG. 81. FIG. 82.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 81,
        "caption": "V////A W/\\ v////\\ FIG. 81. FIG. 82.",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 11172,
          "line_end": 11172,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-082",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-082",
      "label": "FIG. 81. FIG. 82. LIGHT FLUX AND DISTRIBUTION.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 82,
        "caption": "FIG. 81. FIG. 82. LIGHT FLUX AND DISTRIBUTION.",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 11175,
          "line_end": 11175,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-084",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-084",
      "label": "As illustrations are plotted in Fig. 84 and recorded in Table IV, FIG. 84. 212 RADIATION, LIGHT, AND ILLUMINATION.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 84,
        "caption": "As illustrations are plotted in Fig. 84 and recorded in Table IV, FIG. 84. 212 RADIATION, LIGHT, AND ILLUMINATION.",
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        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 11507,
          "line_end": 11507,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-086",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-086",
      "label": "I = I' = 70 (sin ^ - tan w cos 0). (10) FIG. 86. For to = 75 deg. = and a = 0.7, the intensity distribution",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 86,
        "caption": "I = I' = 70 (sin ^ - tan w cos 0). (10) FIG. 86. For to = 75 deg. = and a = 0.7, the intensity distribution",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 11661,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-087",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-087",
      "label": "co2 the angle subtended by the outer edge of the reflector, from FIG. 87. the base of the arc, as diagrammatically illustrated in Fig. 87; then the intensity of the light flux of the main radiator",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 87,
        "caption": "co2 the angle subtended by the outer edge of the reflector, from FIG. 87. the base of the arc, as diagrammatically illustrated in Fig. 87; then the intensity of the light flux of the main radiator",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 11890,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-088",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-088",
      "label": "Table V. FIG. 88. Substituting the numerical values in the foregoing, we have:",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 88,
        "caption": "Table V. FIG. 88. Substituting the numerical values in the foregoing, we have:",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 12048,
          "line_end": 12048,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-089",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-089",
      "label": "(36) FIG. 89. The distribution curve of such an illuminant is plotted in Fig. 89 and recorded in Table V for the values",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 89,
        "caption": "(36) FIG. 89. The distribution curve of such an illuminant is plotted in Fig. 89 and recorded in Table V for the values",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 12159,
          "line_end": 12159,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-090",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-090",
      "label": "(36) 7 = 70 (sin <j> - 11.43 cos <j>). FIG. 90. As comparison is given in Fig. 90 the distribution curve of the magnetite arc, which is designed of the type of Fig. 89",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 90,
        "caption": "(36) 7 = 70 (sin <j> - 11.43 cos <j>). FIG. 90. As comparison is given in Fig. 90 the distribution curve of the magnetite arc, which is designed of the type of Fig. 89",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 12193,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-091",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-091",
      "label": "the point P receives light from all points of the envelope G as FIG. 91. 3-B",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 91,
        "caption": "the point P receives light from all points of the envelope G as FIG. 91. 3-B",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 12262,
          "line_end": 12262,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-092",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-092",
      "label": "a radiator giving the distribution curve shown in Fig. 92, curve I, FIG. 92. the distribution curve is changed by diffraction (frosted en- velope), to that shown in Fig. 92, curve II, but changed to that",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
      "evidence": {
        "figure_number": 92,
        "caption": "a radiator giving the distribution curve shown in Fig. 92, curve I, FIG. 92. the distribution curve is changed by diffraction (frosted en- velope), to that shown in Fig. 92, curve II, but changed to that",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "radiation-light-and-illumination",
          "line_start": 12302,
          "line_end": 12302,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "radiation-light-and-illumination::figure::radiation-light-and-illumination-fig-093",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "radiation-light-and-illumination",
      "source_title": "Radiation, Light and Illumination",
      "year": 1909,
      "record_type": "figure",
      "record_id": "radiation-light-and-illumination-fig-093",
      "label": "^ FIG. 93. be directed into the horizontal (or any other desired) direction, and the entire lens then appears luminous, as virtual radiator.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/radiation-light-and-illumination/",
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        "figure_number": 93,
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    {
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      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0082",
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      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0084",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0086",
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      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0088",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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    },
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      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0090",
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      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0091",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0092",
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    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0093",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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        "original_form": "Fig. 20. — Starting Transient of Rotating Field: Rectangular Form.",
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    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0094",
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      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
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      "label": "which they start, as shown in Fig. 17, their polyphase resultant",
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        "original_form": "which they start, as shown in Fig. 17, their polyphase resultant",
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    },
    {
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    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0097",
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      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
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      "label": "and the armature current thus is i\\ = — , where e0 is the induced",
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        "original_form": "and the armature current thus is i\\ = — , where e0 is the induced",
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    {
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    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0099",
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      "label": "rent decreases to the value i'0 = — •",
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      "label": "20. Let $1 = field flux of a three-phase alternator (or, in general,",
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        "original_form": "20. Let $1 = field flux of a three-phase alternator (or, in general,",
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      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0102",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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          "line_start": 2517,
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        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0103",
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      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0103",
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      "status": "candidate",
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    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0104",
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      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0104",
      "label": "permanent part <i>0, and the transient part <£' = $1 — <£0 = (m—l)",
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      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0106",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0107",
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      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0107",
      "label": "proportional to $>. Thus, as it is i = iQ at <£0, during the transition",
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      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
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    {
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        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
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    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0109",
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      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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        }
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    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0110",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
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      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0110",
      "label": "is, in addition to the constant exciter voltage e0, a voltage (m — I)e0",
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      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
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        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
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    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0111",
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      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0111",
      "label": "where L0 = inductance, r0 = total resistance of field-exciting cir-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "where L0 = inductance, r0 = total resistance of field-exciting cir-",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 2617,
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        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0112",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0112",
      "label": "SINGLE-ENERGY TRANSIENTS. 43",
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      "evidence": {
        "original_form": "SINGLE-ENERGY TRANSIENTS. 43",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 2676,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0113",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0113",
      "label": "T = ~ = .1 sec.",
      "status": "candidate",
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      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "T = ~ = .1 sec.",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 2722,
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        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0114",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0114",
      "label": "self-induction, that is, the synchronous reactance is 6 times the self-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "self-induction, that is, the synchronous reactance is 6 times the self-",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 2727,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0115",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0115",
      "label": "inductive reactance, — = m = 6. The frequency is 25 cycles.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "inductive reactance, — = m = 6. The frequency is 25 cycles.",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 2728,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0116",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0116",
      "label": "circuit flux is <J>0 = — = ~ $1, and the field transient $ is a tran-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "circuit flux is <J>0 = — = ~ $1, and the field transient $ is a tran-",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 2736,
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        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0117",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0117",
      "label": "sient of duration 1 sec., connecting $1 and <£0, Fig. 22 A, repre-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "sient of duration 1 sec., connecting $1 and <£0, Fig. 22 A, repre-",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 2739,
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        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0118",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0118",
      "label": "metrical resultant currents, Fig. 225.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "metrical resultant currents, Fig. 225.",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 2756,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0119",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0119",
      "label": "starting with i0f = miQ, and tapering to the final value i0. Upon",
      "status": "candidate",
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      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "starting with i0f = miQ, and tapering to the final value i0. Upon",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 2759,
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        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0120",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0120",
      "label": "T = .1 sec., is constructed as in paragraph 18, and for its instan-",
      "status": "candidate",
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      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "T = .1 sec., is constructed as in paragraph 18, and for its instan-",
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        "source_ref": {
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          "line_start": 2762,
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      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0121",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0121",
      "label": "since i0 is the permanent component) then are increased or de-",
      "status": "candidate",
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      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "since i0 is the permanent component) then are increased or de-",
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        "source_ref": {
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          "line_start": 2767,
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        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0122",
      "person": "Charles Proteus Steinmetz",
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      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0143",
      "label": "For OC = 0 in equation (1), ^ = - ; for 3C = oo » = - ; that is,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "For OC = 0 in equation (1), ^ = - ; for 3C = oo » = - ; that is,",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3075,
          "line_end": 3075,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0144",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0144",
      "label": "in equation (1), - = initial permeability, - = saturation value of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "in equation (1), - = initial permeability, - = saturation value of",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3079,
          "line_end": 3079,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0145",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0145",
      "label": "iron part is given by equation (2), that of the air part is constant,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "iron part is given by equation (2), that of the air part is constant,",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3086,
          "line_end": 3086,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0146",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0146",
      "label": "where 3 = a plus the reluctance of the air gap. Equation (1),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "where 3 = a plus the reluctance of the air gap. Equation (1),",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3091,
          "line_end": 3091,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0147",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0147",
      "label": "L2 = nc 10-8, i",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "L2 = nc 10-8, i",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3116,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0148",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0148",
      "label": "linked with the magnetic circuit, L2 is the inductance of the air",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "linked with the magnetic circuit, L2 is the inductance of the air",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0149",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0149",
      "label": "SINGLE-ENERGY TRANSIENT OF IRONCLAD CIRCUIT. 55",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "SINGLE-ENERGY TRANSIENT OF IRONCLAD CIRCUIT. 55",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3124,
          "line_end": 3124,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0150",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0150",
      "label": "That is, for i = 0, — r- = Z/i ; and for i = oo , <£' = T .",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "That is, for i = 0, — r- = Z/i ; and for i = oo , <£' = T .",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3129,
          "line_end": 3129,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0151",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0151",
      "label": "_ L2 nc 10~8",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "_ L2 nc 10~8",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3136,
          "line_end": 3136,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0152",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0152",
      "label": "na 10~8 di . .,_ a di ' .",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "na 10~8 di . .,_ a di ' .",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3149,
          "line_end": 3149,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0153",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0153",
      "label": "If then, for the time t = tQ, the current is i = i0, these values",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "If then, for the time t = tQ, the current is i = i0, these values",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3171,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0154",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0154",
      "label": "substituted in (8) give the integration constant C:",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "substituted in (8) give the integration constant C:",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3172,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0155",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0155",
      "label": "T1log- + !T2logio + T- + ^o + C = 0, (9)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "T1log- + !T2logio + T- + ^o + C = 0, (9)",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3174,
          "line_end": 3174,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0156",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0156",
      "label": "(dotted: t = 1.0851g i— .50?)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "(dotted: t = 1.0851g i— .50?)",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3216,
          "line_end": 3216,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0157",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0157",
      "label": "Such is done in Fig. 29, for the values of the constants",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "Such is done in Fig. 29, for the values of the constants",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3227,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0158",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0158",
      "label": "a = 4 X 105,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "a = 4 X 105,",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3230,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0159",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0159",
      "label": "c = 4 X 104,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "c = 4 X 104,",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3231,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0160",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0160",
      "label": "n = 300.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "n = 300.",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3233,
          "line_end": 3233,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0161",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0161",
      "label": "SINGLE-ENERGY TRANSIENT OF IRONCLAD CIRCUIT. 57",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "SINGLE-ENERGY TRANSIENT OF IRONCLAD CIRCUIT. 57",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3236,
          "line_end": 3236,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0162",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0162",
      "label": "Assuming i0 = 10 amperes for t0 = 0, gives from (10) the equa-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "Assuming i0 = 10 amperes for t0 = 0, gives from (10) the equa-",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3244,
          "line_end": 3244,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0163",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0163",
      "label": "T = 2.92 - 1 9.21 log10 ^ + .",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "T = 2.92 - 1 9.21 log10 ^ + .",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3250,
          "line_end": 3250,
          "verification": "needs-verification"
        }
      }
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      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0206",
      "label": "C = 2 mf = 2 X lO\"6 \"farads;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "C = 2 mf = 2 X lO\"6 \"farads;",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3849,
          "line_end": 3849,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0207",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0207",
      "label": "r = 2.5 ohms;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "r = 2.5 ohms;",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3851,
          "line_end": 3851,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0208",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0208",
      "label": "g = 0.008 mho,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "g = 0.008 mho,",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3853,
          "line_end": 3853,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0209",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0209",
      "label": "The initial transient current, ii = 140 amperes;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "The initial transient current, ii = 140 amperes;",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3863,
          "line_end": 3863,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0210",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0210",
      "label": "The initial transient voltage, e\\ = 2000 volts.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "The initial transient voltage, e\\ = 2000 volts.",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3864,
          "line_end": 3864,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0211",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0211",
      "label": "a = Vie = 5 x io-5,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "a = Vie = 5 x io-5,",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3868,
          "line_end": 3868,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0212",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0212",
      "label": "/ = - — = 3180 cycles per second,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "/ = - — = 3180 cycles per second,",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3870,
          "line_end": 3870,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0213",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0213",
      "label": "ZQ = y ~ = 25 ohms,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "ZQ = y ~ = 25 ohms,",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3875,
          "line_end": 3875,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0214",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0214",
      "label": "2/o = y T = 0.04 mho,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "2/o = y T = 0.04 mho,",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3878,
          "line_end": 3878,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0215",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0215",
      "label": "Tl = — = 0.001 sec. = 1 millisecond,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "Tl = — = 0.001 sec. = 1 millisecond,",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3884,
          "line_end": 3884,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0216",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0216",
      "label": "= 0.0005 sec. = 0.5 millisecond,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "= 0.0005 sec. = 0.5 millisecond,",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3890,
          "line_end": 3890,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0217",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0217",
      "label": "0.000333 sec. = 0.33 millisecond;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "0.000333 sec. = 0.33 millisecond;",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3896,
          "line_end": 3896,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0218",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0218",
      "label": "i = €-3<S140cos0.2£-80sin0.2Zj,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "i = €-3<S140cos0.2£-80sin0.2Zj,",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3933,
          "line_end": 3933,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0219",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0219",
      "label": "e = e-3<S2000 cos 0.2 1 + 3500 sin 0.2 «},",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "e = e-3<S2000 cos 0.2 1 + 3500 sin 0.2 «},",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3934,
          "line_end": 3934,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0220",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0220",
      "label": "if = 140 cos 0.2 1 - 80 sin 0.2 1,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "if = 140 cos 0.2 1 - 80 sin 0.2 1,",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3943,
          "line_end": 3943,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0221",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0221",
      "label": "er = 2000 cos 0.2 1 + 3500 sin 0.2 1.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "er = 2000 cos 0.2 1 + 3500 sin 0.2 1.",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3944,
          "line_end": 3944,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0222",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0222",
      "label": "The dielectric-energy transient, k = e~2<,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "The dielectric-energy transient, k = e~2<,",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3949,
          "line_end": 3949,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0223",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0223",
      "label": "And the resultant transient, hk — e~3<.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "And the resultant transient, hk — e~3<.",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3950,
          "line_end": 3950,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0224",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0224",
      "label": "And Fig. 33(7 gives the transient current, i = hki', and the tran-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "And Fig. 33(7 gives the transient current, i = hki', and the tran-",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3952,
          "line_end": 3952,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0225",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0225",
      "label": "28. In a circuit containing inductance and capacity, the tran-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "28. In a circuit containing inductance and capacity, the tran-",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3959,
          "line_end": 3959,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0226",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
      "record_type": "equation",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0226",
      "label": "where i0 = maximum transient current, e0 = maximum transient",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "where i0 = maximum transient current, e0 = maximum transient",
        "modern_form": "",
        "source_ref": {
          "source_id": "elementary-lectures-electric-discharges-waves-impulses",
          "line_start": 3976,
          "line_end": 3976,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0227",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1911,
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    {
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    },
    {
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    {
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        "source_ref": {
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    },
    {
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      "label": "is, the frequency /0 = -A —r . This is called the fundamental wave",
      "status": "candidate",
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      "evidence": {
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    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0282",
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      "label": "the frequencies (2 k — 1)/0, where k = 1, 2, 3 . . .",
      "status": "candidate",
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      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "original_form": "the frequencies (2 k — 1)/0, where k = 1, 2, 3 . . .",
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    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0283",
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      "status": "candidate",
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      }
    },
    {
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      "label": "fundamental wave, that is, 0 = 2 TT represents a complete cycle",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
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        "source_ref": {
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      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0285",
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      "label": "and co = 2ir a complete wave length of the fundamental wave,",
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      "evidence": {
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        "source_ref": {
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    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0286",
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      "label": "«i cos (0 =F co — 71) + a3 cos 3 (0 =F co — 73)",
      "status": "candidate",
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      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
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        "source_ref": {
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    },
    {
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      "label": "+ a5 cos 5 (0 T co - 75) + . . . , (37)",
      "status": "candidate",
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      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
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    },
    {
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      "status": "candidate",
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      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
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    {
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      "record_type": "equation",
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      "label": "wave has the length 10 = 2 l\\, and the frequency",
      "status": "candidate",
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      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0290",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_type": "equation",
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      "label": "If then 0 and co again represent the time and the distance",
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      "evidence": {
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    {
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    {
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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    {
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0299",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "label": "CO = 2 7T/X = — — ;",
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    {
      "id": "elementary-lectures-electric-discharges-waves-impulses::equation::elementary-lectures-electric-discharges-waves-impulses-eq-candidate-0300",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_id": "elementary-lectures-electric-discharges-waves-impulses-fig-003",
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      "id": "elementary-lectures-electric-discharges-waves-impulses::figure::elementary-lectures-electric-discharges-waves-impulses-fig-006",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "label": "frequency, and as the result an increase of voltage and a distor- tion of the quadrature phase occurs, as shown in the oscillogram Fig. 25. Various momentary short-circuit phenomena are illustrated by the oscillograms Figs. 26 to 28.",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "label": "\\ Fig. 33. hence, substituted in equation (28),",
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      "id": "elementary-lectures-electric-discharges-waves-impulses::figure::elementary-lectures-electric-discharges-waves-impulses-fig-037",
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      "label": "section /i consists of 4 quarter- wave units, etc. Fig. 37. Fig. 38.",
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        "caption": "section /i consists of 4 quarter- wave units, etc. Fig. 37. Fig. 38.",
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      "id": "elementary-lectures-electric-discharges-waves-impulses::figure::elementary-lectures-electric-discharges-waves-impulses-fig-038",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "label": "Fig. 37. Fig. 38. The same applies to case 1, and it thus follows that the wave",
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      "evidence": {
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        "caption": "Fig. 37. Fig. 38. The same applies to case 1, and it thus follows that the wave",
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      "id": "elementary-lectures-electric-discharges-waves-impulses::figure::elementary-lectures-electric-discharges-waves-impulses-fig-040",
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      "source_id": "elementary-lectures-electric-discharges-waves-impulses",
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      "record_type": "figure",
      "record_id": "elementary-lectures-electric-discharges-waves-impulses-fig-040",
      "label": "Line Fig. 40. former, the high-tension switches are opened at the generator end of the transmission line. The energy stored magnetically and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/elementary-lectures-electric-discharges-waves-impulses/",
      "evidence": {
        "figure_number": 40,
        "caption": "Line Fig. 40. former, the high-tension switches are opened at the generator end of the transmission line. The energy stored magnetically and",
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      "label": "a = Vai^ + a2^ ; or A = Var^ + a'/,",
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      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0150",
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      "label": "and ai + ja2 = a (cos 6 + j sin d) ;",
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      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0151",
      "person": "Charles Proteus Steinmetz",
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      "label": "or ai -\\-ja2 = A(cos 0+j sin 6).",
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      "label": "tan ^ = } =0.75;",
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      "label": "6' = 37deg.;",
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      "evidence": {
        "original_form": "6' = 37deg.;",
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      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0157",
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      "label": "and A ==5 (cos 37 deg. H-j sin 37 deg).",
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      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0159",
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      "label": "d = -37 deg. ; or = 180 -37 = 143 deg.",
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      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0164",
      "person": "Charles Proteus Steinmetz",
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      "label": "= 5(cos 37 deg. — ; sin 37 deg.).",
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      "evidence": {
        "original_form": "= 5(cos 37 deg. — ; sin 37 deg.).",
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      "label": "A = ai+ja2= -4+3y",
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    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0166",
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      "label": "tan<9=--= -0.75;",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0167",
      "person": "Charles Proteus Steinmetz",
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      "label": "d = -37 deg. or = 180 -37 = 143 cleg. ;",
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        "original_form": "d = -37 deg. or = 180 -37 = 143 cleg. ;",
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      "label": "hence, 6 = 143 deg. is the correct vakie, and",
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        "original_form": "hence, 6 = 143 deg. is the correct vakie, and",
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      "label": "^=5(cos 143 deg. +jsin 143 deg.)",
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      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0172",
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      "label": "A = ai+ja2= -4:-3j",
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      "label": "^ = 37 deg.; or =180+37 = 217 deg.;",
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      "evidence": {
        "original_form": "but since ai=a cos 6 is negative, —4, cos 6 must be negative,",
        "modern_form": "",
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          "source_id": "engineering-mathematics",
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          "line_end": 2489,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0175",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      "record_id": "engineering-mathematics-eq-candidate-0175",
      "label": "hence ^ = 217 deg. is the correct value, and,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "hence ^ = 217 deg. is the correct value, and,",
        "modern_form": "",
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          "source_id": "engineering-mathematics",
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        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0176",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0176",
      "label": "4 = 5 (cos 217 deg. +j sin 217 deg.)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "4 = 5 (cos 217 deg. +j sin 217 deg.)",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2492,
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        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0177",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0177",
      "label": "= 5( — cos 37 deg. —j sin 37 deg.)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= 5( — cos 37 deg. —j sin 37 deg.)",
        "modern_form": "",
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          "source_id": "engineering-mathematics",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0178",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0178",
      "label": "As the general number A = ai-{-ja2 finds its main use in",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "As the general number A = ai-{-ja2 finds its main use in",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
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        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0179",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0179",
      "label": "Since the general numbers A=ai-\\-ja2 can be made to",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "Since the general numbers A=ai-\\-ja2 can be made to",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2505,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0180",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0180",
      "label": "Let Fig. 17 represent diagrammatically a tangential section",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "Let Fig. 17 represent diagrammatically a tangential section",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2538,
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        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0181",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0181",
      "label": "by the arrows, with the velocity s = 400 feet per sec. / are",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "by the arrows, with the velocity s = 400 feet per sec. / are",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2541,
          "line_end": 2541,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0182",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0182",
      "label": "steam jet issues from the expansion nozzle at the speed So = 2200",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "steam jet issues from the expansion nozzle at the speed So = 2200",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
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        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0183",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0183",
      "label": "feet per sec, and under the angle ^o = 20 deg., against the first",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "feet per sec, and under the angle ^o = 20 deg., against the first",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2554,
          "line_end": 2554,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0184",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0184",
      "label": "Ay = 0.12; that is, the exit velocity is 1-/^=0.88 of the entrance",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "Ay = 0.12; that is, the exit velocity is 1-/^=0.88 of the entrance",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2565,
          "line_end": 2565,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0185",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0185",
      "label": "represented in Fig. 18 by a vector OSo of length So = 2200 feet",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "represented in Fig. 18 by a vector OSo of length So = 2200 feet",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2580,
          "line_end": 2580,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0186",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0186",
      "label": "per sec, making an angle ^o = 20 deg. with the x-axis; hence,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "per sec, making an angle ^o = 20 deg. with the x-axis; hence,",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2581,
          "line_end": 2581,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0187",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0187",
      "label": "^0 = So (cos do +j sin ^0)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "^0 = So (cos do +j sin ^0)",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2584,
          "line_end": 2584,
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        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0188",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0188",
      "label": "= 2200 (cos 20 deg. +; sin 20 deg.)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= 2200 (cos 20 deg. +; sin 20 deg.)",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2586,
          "line_end": 2586,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0189",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0189",
      "label": "= 2070 + 750yft. per sec",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= 2070 + 750yft. per sec",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2587,
          "line_end": 2587,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0190",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0190",
      "label": "The velocity of the turbine wheel \"PTi is s = 400 feet per second,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "The velocity of the turbine wheel \"PTi is s = 400 feet per second,",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2589,
          "line_end": 2589,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0191",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0191",
      "label": "= (2070 +750y) -400",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= (2070 +750y) -400",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2602,
          "line_end": 2602,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0192",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0192",
      "label": "= 1670 + 7^/ ft. per sec.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= 1670 + 7^/ ft. per sec.",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2603,
          "line_end": 2603,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0193",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0193",
      "label": "isi,n 6i=j^ = 0A50, as ^i = 24.3deg.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "isi,n 6i=j^ = 0A50, as ^i = 24.3deg.",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2610,
          "line_end": 2610,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0194",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0194",
      "label": "si = \\/l6702 + 7502 = 1830 ft. per sec.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "si = \\/l6702 + 7502 = 1830 ft. per sec.",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2620,
          "line_end": 2620,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0195",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0195",
      "label": "S2 = si(l-/b^) = 1830X0.88 = 1610 ft. per sec,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "S2 = si(l-/b^) = 1830X0.88 = 1610 ft. per sec,",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2626,
          "line_end": 2626,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0196",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0196",
      "label": "as ^2 ==24 deg., the relative velocity with which the steam",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "as ^2 ==24 deg., the relative velocity with which the steam",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2629,
          "line_end": 2629,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0197",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0197",
      "label": "OS^ in Fig. 18, of length §2 = 1610, under angle 24 deg. The",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "OS^ in Fig. 18, of length §2 = 1610, under angle 24 deg. The",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2631,
          "line_end": 2631,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0198",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0198",
      "label": "and the negative x-axis; hence, ^2 = 180-24 = 156 deg. is the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "and the negative x-axis; hence, ^2 = 180-24 = 156 deg. is the",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2634,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0199",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0199",
      "label": "♦^2 = S2(cos d2 +j sin dz)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "♦^2 = S2(cos d2 +j sin dz)",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
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        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0200",
      "person": "Charles Proteus Steinmetz",
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      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0201",
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    {
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    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0212",
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      "label": "is represented by the vector OS 4: in Fig. 18, of length 84 = 1105,",
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    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0213",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
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      "label": "and angle ^4 = 30 deg., hence,",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0214",
      "person": "Charles Proteus Steinmetz",
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      "label": "/S4 = 1105 (cos 30 deg. +y sin 30 deg.)",
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      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0215",
      "person": "Charles Proteus Steinmetz",
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      "label": "= 955 +550y ft. per sec.",
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      "evidence": {
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0216",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
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      "evidence": {
        "original_form": "with velocity s = 400, the relative velocity, that is, the velocity",
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          "source_id": "engineering-mathematics",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0217",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
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      "label": "' =(955+550/) -400",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
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      "evidence": {
        "original_form": "' =(955+550/) -400",
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        "source_ref": {
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0218",
      "person": "Charles Proteus Steinmetz",
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      "label": "= 555+550/ ft. per sec;",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= 555+550/ ft. per sec;",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0219",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      "label": "tan 05=^ = 0.990, as 65 = 44.8 deg.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "tan 05=^ = 0.990, as 65 = 44.8 deg.",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0220",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      "label": "wheel W2 must be shaped under angle ^5 = 44.8 deg.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "wheel W2 must be shaped under angle ^5 = 44.8 deg.",
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        "source_ref": {
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0221",
      "person": "Charles Proteus Steinmetz",
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      "label": "S5 = ^5552 + 5502 = 780 ft. per sec.",
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      "evidence": {
        "original_form": "S5 = ^5552 + 5502 = 780 ft. per sec.",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0222",
      "person": "Charles Proteus Steinmetz",
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      "label": "S6 = S5(1 -A;^) =780X0.88 = 690 ft. per sec.",
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      "evidence": {
        "original_form": "S6 = S5(1 -A;^) =780X0.88 = 690 ft. per sec.",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0223",
      "person": "Charles Proteus Steinmetz",
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      "label": "Since the exit angles of the buckets of wheel W2 has been",
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      "site_path": "/sources/engineering-mathematics/",
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        "original_form": "Since the exit angles of the buckets of wheel W2 has been",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0224",
      "person": "Charles Proteus Steinmetz",
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      "label": "chosen as 45 deg., and the exit is in backward direction, de =",
      "status": "candidate",
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      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "chosen as 45 deg., and the exit is in backward direction, de =",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0225",
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      "label": "180-45=135 deg., the steam jet velocity at the exit of the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
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      "evidence": {
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    {
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      "person": "Charles Proteus Steinmetz",
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      "confidence": "source-located-ocr-candidate",
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    },
    {
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
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    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0236",
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      "site_path": "/sources/engineering-mathematics/",
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        "original_form": "= aihi +jaib2 +ja2hi +pa2b2,",
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      "label": "and since p= —1,",
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        "original_form": "and since p= —1,",
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      "site_path": "/sources/engineering-mathematics/",
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        "modern_form": "",
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      "label": "C = Ci+jC2,",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
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    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0240",
      "person": "Charles Proteus Steinmetz",
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      "label": "ci =0'ihi — a2&27",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "ci =0'ihi — a2&27",
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    {
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      "person": "Charles Proteus Steinmetz",
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      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      "label": "C2 = ai&2+a2^i.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "C2 = ai&2+a2^i.",
        "modern_form": "",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0242",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      "record_id": "engineering-mathematics-eq-candidate-0242",
      "label": "For instance, A=2+j multiplied by B=^l+1.5 j gives",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "For instance, A=2+j multiplied by B=^l+1.5 j gives",
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    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0243",
      "person": "Charles Proteus Steinmetz",
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      "label": "ci=2Xl-lXl.5 = 0.5,",
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      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "ci=2Xl-lXl.5 = 0.5,",
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    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0244",
      "person": "Charles Proteus Steinmetz",
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      "label": "C2 = 2Xl.5 + lXl=4;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0245",
      "person": "Charles Proteus Steinmetz",
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      "label": "0 = 0.5+47,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "0 = 0.5+47,",
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        "source_ref": {
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0246",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      "label": "a2 = a sin a",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "a2 = a sin a",
        "modern_form": "",
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      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0247",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0247",
      "label": ", 61=6 cos/?",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": ", 61=6 cos/?",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 2804,
          "line_end": 2804,
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        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0248",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0248",
      "label": "02 = 0 sm",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "02 = 0 sm",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
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      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0249",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
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      "label": "a = Vai^+a2^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "a = Vai^+a2^",
        "modern_form": "",
        "source_ref": {
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          "line_start": 2812,
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0250",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      "record_id": "engineering-mathematics-eq-candidate-0250",
      "label": "h = VbJ+b2^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "h = VbJ+b2^",
        "modern_form": "",
        "source_ref": {
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0251",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      "record_type": "equation",
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      "label": "5 = &(cos/9+ysin/?),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "5 = &(cos/9+ysin/?),",
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
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      "person": "Charles Proteus Steinmetz",
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      "label": "E = ei+je2,",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      "label": "and Z2 = r2—jx2, their product Zi Z^ can be formed mathema -",
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      "site_path": "/sources/engineering-mathematics/",
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        "original_form": "and Z2 = r2—jx2, their product Zi Z^ can be formed mathema -",
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    },
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      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0266",
      "person": "Charles Proteus Steinmetz",
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      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      "label": "If we have a current and a voltage, I = ii + ji2 and E = ei -\\-je2,",
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      "evidence": {
        "original_form": "If we have a current and a voltage, I = ii + ji2 and E = ei -\\-je2,",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0267",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      "record_type": "equation",
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      "label": "I=ii+ji2 and Z = r—jx, their product is a voltage, and as the",
      "status": "candidate",
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      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "I=ii+ji2 and Z = r—jx, their product is a voltage, and as the",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0268",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      "label": "^E = IZ={H+ji2){r-jx),",
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      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "^E = IZ={H+ji2){r-jx),",
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      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0269",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0269",
      "label": "= (iir ■^i2X ) + jfer -iix).",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= (iir ■^i2X ) + jfer -iix).",
        "modern_form": "",
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      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0270",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0270",
      "label": "29. The division of two general numbers, A=ai-]-ja2 and",
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      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "29. The division of two general numbers, A=ai-]-ja2 and",
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      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0271",
      "person": "Charles Proteus Steinmetz",
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      "label": "B = bi+jh2, gives,",
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      "evidence": {
        "original_form": "B = bi+jh2, gives,",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0272",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0272",
      "label": "= 1.12-0.GG/.",
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      "evidence": {
        "original_form": "= 1.12-0.GG/.",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0273",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0274",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      "label": "a (cos a +f sin a) (cos /? — f sin /9)",
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      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "a (cos a +f sin a) (cos /? — f sin /9)",
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      }
    },
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      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0275",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      "label": "6 (cos /?+y sin /?)(cos /? — f sin /?)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "6 (cos /?+y sin /?)(cos /? — f sin /?)",
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      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0276",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
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      "label": "a{ (cos a cos /? + sin a sin /?) +/(sin a cos /? —cos a sin 5) }",
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      "confidence": "source-located-ocr-candidate",
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      "evidence": {
        "original_form": "a{ (cos a cos /? + sin a sin /?) +/(sin a cos /? —cos a sin 5) }",
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      "confidence": "source-located-ocr-candidate",
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      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0278",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0279",
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      "confidence": "source-located-ocr-candidate",
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      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0280",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0280",
      "label": "A = 3 +4/ = 5(cos 53 deg. +/ sin 53 deg.);",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "A = 3 +4/ = 5(cos 53 deg. +/ sin 53 deg.);",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0281",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0281",
      "label": "(7 = 44 = 54(cos 4 X53 deg. +j sin 4 X53 deg.) ■",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "(7 = 44 = 54(cos 4 X53 deg. +j sin 4 X53 deg.) ■",
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        "source_ref": {
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          "line_start": 3125,
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        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0282",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0282",
      "label": "= 625(cos 212 deg. +j sin 212 deg.)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= 625(cos 212 deg. +j sin 212 deg.)",
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          "source_id": "engineering-mathematics",
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      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0283",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0283",
      "label": "= 625( -cos 32 deg. -/ sin 32 deg.)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= 625( -cos 32 deg. -/ sin 32 deg.)",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 3127,
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0284",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0284",
      "label": "= 625( -0.848 -0.530 j)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= 625( -0.848 -0.530 j)",
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        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 3128,
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      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0285",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0285",
      "label": "= -529-331/.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= -529-331/.",
        "modern_form": "",
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0286",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0286",
      "label": "If, A=ai +ja2 = a (cos a+j sin a), then",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "If, A=ai +ja2 = a (cos a+j sin a), then",
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          "source_id": "engineering-mathematics",
          "line_start": 3131,
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    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0287",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0287",
      "label": "(7 = A/A = A\"=a\"(cos-+7sin-)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "(7 = A/A = A\"=a\"(cos-+7sin-)",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 3135,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0288",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0288",
      "label": "= V a I cos — 4- 7 sm - I .",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= V a I cos — 4- 7 sm - I .",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 3137,
          "line_end": 3137,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0289",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0289",
      "label": "A = a\\(ios{a-\\-2q7:)-\\-j ^m.{a+2qn)\\,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "A = a\\(ios{a-\\-2q7:)-\\-j ^m.{a+2qn)\\,",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 3147,
          "line_end": 3147,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0290",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0290",
      "label": "since the cosine and sine repeat after every 360 deg, or 2-.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "since the cosine and sine repeat after every 360 deg, or 2-.",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 3149,
          "line_end": 3149,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0291",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0291",
      "label": "We hereby get n different values of C, for ^ = 0, 1, 2. . .n-1;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "We hereby get n different values of C, for ^ = 0, 1, 2. . .n-1;",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 3154,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0292",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0292",
      "label": "q = n gives again the same as ^ = 0. Since it gives",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "q = n gives again the same as ^ = 0. Since it gives",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 3155,
          "line_end": 3155,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0293",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0293",
      "label": "= — h27r:",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= — h27r:",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 3159,
          "line_end": 3159,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0294",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0294",
      "label": "For instance, let 4= -529-33iy = 625 (cos 212 deg.+",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "For instance, let 4= -529-33iy = 625 (cos 212 deg.+",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 3173,
          "line_end": 3173,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0295",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0295",
      "label": "j sin 212 deg.) then,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "j sin 212 deg.) then,",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 3174,
          "line_end": 3174,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0296",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0296",
      "label": "C= ■<lA= i625(cos ^ — --+jsm 1 ^)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "C= ■<lA= i625(cos ^ — --+jsm 1 ^)",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 3177,
          "line_end": 3177,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0297",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0297",
      "label": "= 5(cos 53 + j sin 53) = 3 + ij",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= 5(cos 53 + j sin 53) = 3 + ij",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 3179,
          "line_end": 3179,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0298",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0298",
      "label": "= 5(cos 143 +j sin 143) =5( -cos 37 +f sin 37) = -4+3/",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= 5(cos 143 +j sin 143) =5( -cos 37 +f sin 37) = -4+3/",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 3181,
          "line_end": 3181,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0299",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0299",
      "label": "= 5(cos 233 + J sin 233) = 5( -cos 53 + / sin 53) = -3 + 4/",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= 5(cos 233 + J sin 233) = 5( -cos 53 + / sin 53) = -3 + 4/",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 3182,
          "line_end": 3182,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::equation::engineering-mathematics-eq-candidate-0300",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "equation",
      "record_id": "engineering-mathematics-eq-candidate-0300",
      "label": "= 5(cos 323 +y sin 323) =5(cos 37 -j sin 37) =4-3/",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "original_form": "= 5(cos 323 +y sin 323) =5(cos 37 -j sin 37) =4-3/",
        "modern_form": "",
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 3183,
          "line_end": 3183,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::figure::engineering-mathematics-fig-005",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "engineering-mathematics",
      "source_title": "Engineering Mathematics: A Series of Lectures Delivered at Union College",
      "year": 1911,
      "record_type": "figure",
      "record_id": "engineering-mathematics-fig-005",
      "label": "■e- FiG. 5. tance in the direction rotated 90 deg. from +2, or in quadrature",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/engineering-mathematics/",
      "evidence": {
        "figure_number": 5,
        "caption": "■e- FiG. 5. tance in the direction rotated 90 deg. from +2, or in quadrature",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "engineering-mathematics",
          "line_start": 1635,
          "line_end": 1635,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "engineering-mathematics::figure::engineering-mathematics-fig-006",
      "person": "Charles Proteus Steinmetz",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0012",
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      "evidence": {
        "original_form": "i = 2 irfCe, the current to the condenser, which is in quadrature",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0013",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0013",
      "label": "5. In Joule's law, P = i^r, r is not the true ohmic resistance,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "5. In Joule's law, P = i^r, r is not the true ohmic resistance,",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0014",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0014",
      "label": "small, if cos d is small, that is, 6 near 90°.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "small, if cos d is small, that is, 6 near 90°.",
        "modern_form": "",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0015",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0015",
      "label": "The simplest form, however, is the sine wave, shown in Fig. 1,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "The simplest form, however, is the sine wave, shown in Fig. 1,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0016",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0016",
      "label": "2 = / sin -— {t — ti) = / sin 2Trf{t — ti),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "2 = / sin -— {t — ti) = / sin 2Trf{t — ti),",
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        "source_ref": {
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          "line_start": 1389,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0017",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0017",
      "label": "the wave, or / = 7 is the frequency or number of complete",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "the wave, or / = 7 is the frequency or number of complete",
        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0018",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0018",
      "label": "Fig. 1. — Sine wave.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "Fig. 1. — Sine wave.",
        "modern_form": "",
        "source_ref": {
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0019",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0019",
      "label": "i = 1 sin 2 -wjl,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "i = 1 sin 2 -wjl,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0020",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0020",
      "label": "and i = I cos 2 tt/^.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "and i = I cos 2 tt/^.",
        "modern_form": "",
        "source_ref": {
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          "line_start": 1487,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0021",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0021",
      "label": "i = /1 sin 2-KJ{t — ti) + h sin 4 7r/(i — ^2)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "i = /1 sin 2-KJ{t — ti) + h sin 4 7r/(i — ^2)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0022",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0022",
      "label": "+ 73 sin 6 irfit - /a) + . . .",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "+ 73 sin 6 irfit - /a) + . . .",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 1496,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0023",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0023",
      "label": "The first term, 7i sin 2Trf{t — t^), is called the fundamental",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "The first term, 7i sin 2Trf{t — t^), is called the fundamental",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 1510,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0024",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0024",
      "label": "waves. /„ sin 2mrf{t — tn) is the n^^ harmonic.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "waves. /„ sin 2mrf{t — tn) is the n^^ harmonic.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 1513,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0025",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0025",
      "label": "By resolving the sine functions of the time differences, 2! — ti,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "By resolving the sine functions of the time differences, 2! — ti,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 1515,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0026",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0026",
      "label": "i = Ai sin 2 tt/^ + A2 sin 4 x// + A3 sin 6 tt/^ + . . .",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "i = Ai sin 2 tt/^ + A2 sin 4 x// + A3 sin 6 tt/^ + . . .",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0027",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0027",
      "label": "+ Bi cos 2 irft + B2 cos 4 Tft + ^3 cos Qirft + . . .",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "+ Bi cos 2 irft + B2 cos 4 Tft + ^3 cos Qirft + . . .",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 1520,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0028",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0028",
      "label": "i = 7] sin 2 Trf(t — ti) + 1 3 sin 6 Trf(t — ts)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "i = 7] sin 2 Trf(t — ti) + 1 3 sin 6 Trf(t — ts)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 1533,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0029",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0029",
      "label": "i = A\\ sin 2Tvft + A3 sin 6x/f + ^5 sin lOvr/^ + . . .",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "i = A\\ sin 2Tvft + A3 sin 6x/f + ^5 sin lOvr/^ + . . .",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 1537,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0030",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0030",
      "label": "+ Ex cos 2 irjt + Bz cos 6 irft + B5 COS 10 tt/^ + . . .",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "+ Ex cos 2 irjt + Bz cos 6 irft + B5 COS 10 tt/^ + . . .",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 1539,
          "line_end": 1539,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0031",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0031",
      "label": "closed by a high external resistance; Fig. 3 is the coil operated",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "closed by a high external resistance; Fig. 3 is the coil operated",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 1551,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0032",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0032",
      "label": "7. Inductive reactance, or electromagnetic momentum, which",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "7. Inductive reactance, or electromagnetic momentum, which",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 1560,
          "line_end": 1560,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0033",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0033",
      "label": "8. Experimentally, the impedance, effective resistance, induc-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "8. Experimentally, the impedance, effective resistance, induc-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 1586,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0034",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0034",
      "label": "The phase angle, cos 6 = —.:",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "The phase angle, cos 6 = —.:",
        "modern_form": "",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0057",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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      }
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0059",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
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      "year": 1916,
      "record_type": "equation",
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      "label": "= 4.44 nf^ 10-« volts,",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
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          "source_id": "theory-calculation-alternating-current-phenomena",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0060",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
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      "label": "flux X number of turns X 10\"^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
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        "modern_form": "",
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      }
    },
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0061",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0061",
      "label": "n$ = LIV2 108;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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      }
    },
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0062",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0062",
      "label": "E = V2 7rn$/10-8",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
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    },
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0063",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0063",
      "label": "= 2 wfLI volts.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "= 2 wfLI volts.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0064",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0064",
      "label": "The product, x = 2 7r/L, is of the dimension of resistance,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "The product, x = 2 7r/L, is of the dimension of resistance,",
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          "source_id": "theory-calculation-alternating-current-phenomena",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0065",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0065",
      "label": "and lags 90° behind the current, since the current is in phase",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "and lags 90° behind the current, since the current is in phase",
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        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0066",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0066",
      "label": "Let, for instance, 01 represent in length the maximum value / of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "Let, for instance, 01 represent in length the maximum value / of",
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        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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    },
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0067",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0067",
      "label": "a sine wave of current. Assuming then a vector, 01, to revolve,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "a sine wave of current. Assuming then a vector, 01, to revolve,",
        "modern_form": "",
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          "source_id": "theory-calculation-alternating-current-phenomena",
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      }
    },
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0068",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0068",
      "label": "stands in position 01 1 (Fig. 8), the projec-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "stands in position 01 1 (Fig. 8), the projec-",
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          "source_id": "theory-calculation-alternating-current-phenomena",
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    },
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0069",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0069",
      "label": "0/2 on OA is the instantaneous value at this later moment. The",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "0/2 on OA is the instantaneous value at this later moment. The",
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    },
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0070",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0070",
      "label": "If now the time, t, and thus the angle, ^ = 10 A = 2ir — (where",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "If now the time, t, and thus the angle, ^ = 10 A = 2ir — (where",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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      }
    },
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0071",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0071",
      "label": "moment of time where the revolving vector 01 in Fig. 8 stands in",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "moment of time where the revolving vector 01 in Fig. 8 stands in",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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      }
    },
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0072",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0072",
      "label": "time represented by position OIi, i = I, and 01 passes through",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "time represented by position OIi, i = I, and 01 passes through",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0073",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0073",
      "label": "i = I cos (?> - ??2),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "i = I cos (?> - ??2),",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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      }
    },
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0074",
      "label": "and t?2 = hOA is the phase.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "and t?2 = hOA is the phase.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0075",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0075",
      "label": "that is, angle of phase difference ??i = 2 tt -",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "that is, angle of phase difference ??i = 2 tt -",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0076",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0076",
      "label": "must be /3 = « + t?i, and the current is represented, in Fig. 9,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "must be /3 = « + t?i, and the current is represented, in Fig. 9,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0077",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0077",
      "label": "by vector 01 = /, under phase angle (3 = 10 A.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "by vector 01 = /, under phase angle (3 = 10 A.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0078",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0078",
      "label": "i = / cos (?? - /3)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "i = / cos (?? - /3)",
        "modern_form": "",
        "source_ref": {
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0079",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0079",
      "label": "10. The current then would be represented by 01 = I, under",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "10. The current then would be represented by 01 = I, under",
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      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0102",
      "label": "e.m.f. of reactance is 90° behind the current; so that, if, in Fig.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "e.m.f. of reactance is 90° behind the current; so that, if, in Fig.",
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0103",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0103",
      "label": "OE2 = voltage consumed l:)y inductive reactance,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "OE2 = voltage consumed l:)y inductive reactance,",
        "modern_form": "",
        "source_ref": {
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0104",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0104",
      "label": "OE'2 = counter e.m.f. of inductive reactance,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "OE'2 = counter e.m.f. of inductive reactance,",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0105",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0105",
      "label": "OE3 = voltage consumed by impedance,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "OE3 = voltage consumed by impedance,",
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0106",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0106",
      "label": "e ^ Eo- E = V{E + /r)2 + (/x)*",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "e ^ Eo- E = V{E + /r)2 + (/x)*",
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        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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        }
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0107",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0107",
      "label": "the voltage consumed by the reactance, Ix, is 90° ahead of the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "the voltage consumed by the reactance, Ix, is 90° ahead of the",
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        "source_ref": {
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0108",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0108",
      "label": "Ea = V{E COS 6 4- /r)2 + (E sin 6 + Ixy.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "Ea = V{E COS 6 4- /r)2 + (E sin 6 + Ixy.",
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    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0109",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0109",
      "label": "E(i, a resistance voltage. Ex = Ir, a reactance voltage, E2 = Ix,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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        "original_form": "E(i, a resistance voltage. Ex = Ir, a reactance voltage, E2 = Ix,",
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    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0110",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0110",
      "label": "mum at the time ?? = 90°, and the phase of the magnetic flux",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "mum at the time ?? = 90°, and the phase of the magnetic flux",
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        "source_ref": {
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0111",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0111",
      "label": "thus is ?? = 90°, the flux thus represented by the vector 0* in",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "thus is ?? = 90°, the flux thus represented by the vector 0* in",
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    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0112",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0112",
      "label": "magnetic flux vector, or at the time t? = 180°; that is, the e.m.f.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "magnetic flux vector, or at the time t? = 180°; that is, the e.m.f.",
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        "source_ref": {
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0113",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0113",
      "label": "phase t? = 180°. The secondary current, /i, lags behind the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "phase t? = 180°. The secondary current, /i, lags behind the",
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        "source_ref": {
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0114",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0114",
      "label": "e.m.f., El, by an angle, 61, which is determined by the resistance",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "e.m.f., El, by an angle, 61, which is determined by the resistance",
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        "source_ref": {
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0115",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0115",
      "label": "El = ^/2 7^/^l/$ 10-8;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "El = ^/2 7^/^l/$ 10-8;",
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        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0116",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0116",
      "label": "and the number of primary turns, no, the primary current, 7o =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "and the number of primary turns, no, the primary current, 7o =",
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        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0117",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0117",
      "label": "To overcome the reactance, Xo = 2x/Io, of the primary coil, a",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "To overcome the reactance, Xo = 2x/Io, of the primary coil, a",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0118",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0118",
      "label": "voltage, Ex = IqXq, is required, 90° ahead of the current, 7o, and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "voltage, Ex = IqXq, is required, 90° ahead of the current, 7o, and",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0119",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0119",
      "label": "00 = EoOFo.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "00 = EoOFo.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0120",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0120",
      "label": "= 100 volts, and 7i = 75 amp. For a non-inductive second-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "= 100 volts, and 7i = 75 amp. For a non-inductive second-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0121",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0121",
      "label": "secondaiy circuit thus is that of the secondary coil, or Xi = 0.08",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "secondaiy circuit thus is that of the secondary coil, or Xi = 0.08",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 2776,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0122",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0122",
      "label": "ohms, giving a lag of ^i = 3.6°. We have also,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "ohms, giving a lag of ^i = 3.6°. We have also,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0123",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0123",
      "label": "rii = 30 turns.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "rii = 30 turns.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 2779,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0124",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0124",
      "label": "rio = 300 turns.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0125",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0125",
      "label": "Fi = 2250 ampere-turns.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
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        "modern_form": "",
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          "source_id": "theory-calculation-alternating-current-phenomena",
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0126",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
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      "label": "F =100 ampere-turns.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0127",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0127",
      "label": "Er = 10 volts.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "Er = 10 volts.",
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        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0128",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0128",
      "label": "E:, = 60 volts.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "E:, = 60 volts.",
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        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 2789,
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0129",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0129",
      "label": "Ei = 1000 volts.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
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        }
      }
    },
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0130",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0130",
      "label": "Fo = VF2 + Fi2 _^ 2i^i^isin Bi,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "Fo = VF2 + Fi2 _^ 2i^i^isin Bi,",
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    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0131",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0131",
      "label": "27. We have seen that the alternating sine wave is repre-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "27. We have seen that the alternating sine wave is repre-",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0132",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0132",
      "label": "tangular coordinates, a and h (Fig. 22), where",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "tangular coordinates, a and h (Fig. 22), where",
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      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "h = 7 sin ^ is the vertical component of the sine wave.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "h = 7 sin ^ is the vertical component of the sine wave.",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0134",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "I' (Fig. 23), their resultant sine wave, 7o, has the rectangular",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "I' (Fig. 23), their resultant sine wave, 7o, has the rectangular",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "components a^ = (a + a'), and 60 = (& + h').",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
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      "source_id": "theory-calculation-alternating-current-phenomena",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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        "original_form": "To get from the rectangular components, a and 6, of a sine",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0137",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0137",
      "label": "i = Va^ + 62.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
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      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0138",
      "label": "tan 6 ^ —",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "tan 6 ^ —",
        "modern_form": "",
        "source_ref": {
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0139",
      "label": "7 = a + jh,",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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        "original_form": "7 = a + jh,",
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      "source_id": "theory-calculation-alternating-current-phenomena",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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    },
    {
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      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0141",
      "label": "— 1 means reversing the wave, or rotating it through 180°, or one-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "— 1 means reversing the wave, or rotating it through 180°, or one-",
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          "source_id": "theory-calculation-alternating-current-phenomena",
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      }
    },
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0142",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0142",
      "label": "j' = - 1,",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
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        "source_ref": {
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    },
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0143",
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      "source_id": "theory-calculation-alternating-current-phenomena",
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      "label": "j^ = - 1,",
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      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "system of ordinary numbers, this definition of j = V — 1 does",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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    {
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      "label": "30. In the vector diagram, the sine wave is represented in",
      "status": "candidate",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "30. In the vector diagram, the sine wave is represented in",
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      "label": "i = Va2 + 62,",
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    },
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      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0147",
      "label": "tan 6 = —",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "tan 6 = —",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3009,
          "line_end": 3009,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0148",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0148",
      "label": "a = i cos 6,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "a = i cos 6,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3014,
          "line_end": 3014,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0149",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0149",
      "label": "b = i sin 6]",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "b = i sin 6]",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3016,
          "line_end": 3016,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0150",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0150",
      "label": "or, by substituting for cos 6 and sin 6 their exponential expres-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "or, by substituting for cos 6 and sin 6 their exponential expres-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3022,
          "line_end": 3022,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0151",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0151",
      "label": "I = {a + a') +j(6 + 6').",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "I = {a + a') +j(6 + 6').",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3040,
          "line_end": 3040,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0152",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0152",
      "label": "31. If / = I + ji' is a sine wave of alternating current, and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "31. If / = I + ji' is a sine wave of alternating current, and",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3044,
          "line_end": 3044,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0153",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0153",
      "label": "If L is the inductance, and x = 2x/L the inductive react-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "If L is the inductance, and x = 2x/L the inductive react-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3051,
          "line_end": 3051,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0154",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0154",
      "label": "1 In this representation of the sine wave by the exponential expression of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "1 In this representation of the sine wave by the exponential expression of",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3054,
          "line_end": 3054,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0155",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0155",
      "label": "with — = 57.3° as unit.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "with — = 57.3° as unit.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3059,
          "line_end": 3059,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0156",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0156",
      "label": "hence, since j^ = — 1",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "hence, since j^ = — 1",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3090,
          "line_end": 3090,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0157",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0157",
      "label": "or, if £\" = e + je' is the impressed voltage and 7 = t + ji' the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "or, if £\" = e + je' is the impressed voltage and 7 = t + ji' the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3104,
          "line_end": 3104,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0158",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0158",
      "label": "the terminals of the condenser is E = ^ .^, 90° behind the cur-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "the terminals of the condenser is E = ^ .^, 90° behind the cur-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3113,
          "line_end": 3113,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0159",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0159",
      "label": "^1 ~ o — Tr* i^ ^^6 condensive reactance or condensance of the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "^1 ~ o — Tr* i^ ^^6 condensive reactance or condensance of the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3124,
          "line_end": 3124,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0160",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0160",
      "label": "thus X = 2 TcJL = inductive reactance.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "thus X = 2 TcJL = inductive reactance.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3135,
          "line_end": 3135,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0161",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0161",
      "label": "If C = capacity, Xi = ^ — 77-, = condensive reactance,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "If C = capacity, Xi = ^ — 77-, = condensive reactance,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3137,
          "line_end": 3137,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0162",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0162",
      "label": "33. Since the combination of sine waves takes place by the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "33. Since the combination of sine waves takes place by the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3147,
          "line_end": 3147,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0163",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0163",
      "label": "a + i6 = 0, a = 0, 6 = 0.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "a + i6 = 0, a = 0, 6 = 0.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3162,
          "line_end": 3162,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0164",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0164",
      "label": "or e.o = \\/(e + ir)- + {ix^, tan ^o = — 77^-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "or e.o = \\/(e + ir)- + {ix^, tan ^o = — 77^-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3206,
          "line_end": 3206,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0165",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0165",
      "label": "= (e 4- ir) + j(e' + ix),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "= (e 4- ir) + j(e' + ix),",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3213,
          "line_end": 3213,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0166",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0166",
      "label": "Eo = (e - je') + (r 4- jx)i",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "Eo = (e - je') + (r 4- jx)i",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3221,
          "line_end": 3221,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0167",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0167",
      "label": "B = 6' + jh\" = 6(cos 13 + j sin /3)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "B = 6' + jh\" = 6(cos 13 + j sin /3)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3242,
          "line_end": 3242,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0168",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0168",
      "label": "0 = 0'+ jc\" = c(cos T + j sin 7)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "0 = 0'+ jc\" = c(cos T + j sin 7)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3243,
          "line_end": 3243,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0169",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0169",
      "label": "^ = —[cos (a + |3 - 7) + j sin (a + |8 - 7)],",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "^ = —[cos (a + |3 - 7) + j sin (a + |8 - 7)],",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3254,
          "line_end": 3254,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0170",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0170",
      "label": "36. In the representation of alternating sine waves by vectors,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "36. In the representation of alternating sine waves by vectors,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3270,
          "line_end": 3270,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0171",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0171",
      "label": "sistance R to terminal B is represented by a vector, 01 (Fig. 26),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "sistance R to terminal B is represented by a vector, 01 (Fig. 26),",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3280,
          "line_end": 3280,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0172",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0172",
      "label": "or by 7 = z + ji' , the same current can be considered as being",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "or by 7 = z + ji' , the same current can be considered as being",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3281,
          "line_end": 3281,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0173",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0173",
      "label": "or by 7] = — i — ji'.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "or by 7] = — i — ji'.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3297,
          "line_end": 3297,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0174",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0174",
      "label": "37. Let, for instance, in Fig. 27, an interlinked three-phase",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "37. Let, for instance, in Fig. 27, an interlinked three-phase",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3309,
          "line_end": 3309,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0175",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0175",
      "label": "tial from AitoAiisEi—Ei, since the two voltages, Ei and E2,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "tial from AitoAiisEi—Ei, since the two voltages, Ei and E2,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3321,
          "line_end": 3321,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0176",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0176",
      "label": "the same distance from 0 as Ei, and are equidistant from Ei and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "the same distance from 0 as Ei, and are equidistant from Ei and",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3376,
          "line_end": 3376,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0177",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0177",
      "label": "instance, Ei and Ei, is then the distance EiEi, or E1E2, according",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "instance, Ei and Ei, is then the distance EiEi, or E1E2, according",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3380,
          "line_end": 3380,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0178",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0178",
      "label": "these currents are represented in Fig. 29 by the vectors 01 1 =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "these currents are represented in Fig. 29 by the vectors 01 1 =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3398,
          "line_end": 3398,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0179",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0179",
      "label": "01 2 = 01 3 = I, lagging behind the voltages by angles EiOIi =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "01 2 = 01 3 = I, lagging behind the voltages by angles EiOIi =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3399,
          "line_end": 3399,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0180",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0180",
      "label": "£20/2 = EsOh = d.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "£20/2 = EsOh = d.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3400,
          "line_end": 3400,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0181",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0181",
      "label": "represented by Ei^Ei^^ = Ixi, 90° ahead of current OTu The",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "represented by Ei^Ei^^ = Ixi, 90° ahead of current OTu The",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3409,
          "line_end": 3409,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0182",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0182",
      "label": "E^, equidistant from 0 and opposite each other, and the two cur-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "E^, equidistant from 0 and opposite each other, and the two cur-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3463,
          "line_end": 3463,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0183",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0183",
      "label": "equidistant from 0 and opposite each other, and under angle d",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "equidistant from 0 and opposite each other, and under angle d",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3465,
          "line_end": 3465,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0184",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0184",
      "label": "sistance of the line element, in phase with the current, 01, and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "sistance of the line element, in phase with the current, 01, and",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3470,
          "line_end": 3470,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0185",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0185",
      "label": "Let, in Fig. 33, OEi, OE2, OEz = three-phase voltages at re-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "Let, in Fig. 33, OEi, OE2, OEz = three-phase voltages at re-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3510,
          "line_end": 3510,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0186",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0186",
      "label": "cuit equidistant from each other and = 7, and making with E",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "cuit equidistant from each other and = 7, and making with E",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3514,
          "line_end": 3514,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0187",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0187",
      "label": "15 t CAPACITY, INDUCTANCE",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "15 t CAPACITY, INDUCTANCE",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3560,
          "line_end": 3560,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0188",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0188",
      "label": "their difference of phase are plotted in Fig. 35 in rectangular",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "their difference of phase are plotted in Fig. 35 in rectangular",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3608,
          "line_end": 3608,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0189",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0189",
      "label": "to 72° lead, 44° lag, 34° lead, etc., gradually decreasing in the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "to 72° lead, 44° lag, 34° lead, etc., gradually decreasing in the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3615,
          "line_end": 3615,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0190",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0190",
      "label": "43. The sine wave. Fig. 1, is represented in polar coordinates",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "43. The sine wave. Fig. 1, is represented in polar coordinates",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3655,
          "line_end": 3655,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0191",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0191",
      "label": "of the wave; and the amplitude of the diameter OC, ^ 0o = AOC,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "of the wave; and the amplitude of the diameter OC, ^ 0o = AOC,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3658,
          "line_end": 3658,
          "verification": "needs-verification"
        }
      }
    },
    {
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      "confidence": "source-located-ocr-candidate",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0193",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0193",
      "label": "where 0 = 2ir — is the instantaneous value of the ampHtude",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0194",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0194",
      "label": "for instance, at the amplitude, AOBi = 6i = 2w- (Fig- 38), the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "for instance, at the amplitude, AOBi = 6i = 2w- (Fig- 38), the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0195",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0195",
      "label": "instantaneous value is OB'; at the amphtude, AOB2 = 62 =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "instantaneous value is OB'; at the amphtude, AOB2 = 62 =",
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        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
          "line_start": 3680,
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0196",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
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      "label": "2 Try, the instantaneous value is OB\", and negative, since in",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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          "source_id": "theory-calculation-alternating-current-phenomena",
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        }
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0197",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0197",
      "label": "The angle, 0, so represents the time, and increasing time is",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "The angle, 0, so represents the time, and increasing time is",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0198",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0198",
      "label": "c = OC cos (0 - 0o).",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "c = OC cos (0 - 0o).",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0199",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0199",
      "label": "b = Bcos2 Tfit - h)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "b = Bcos2 Tfit - h)",
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        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0200",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0200",
      "label": "= B cos (d - 9i),",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "= B cos (d - 9i),",
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        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0201",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0201",
      "label": "= C cos 2 Tvfit + t2}",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "= C cos 2 Tvfit + t2}",
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        "source_ref": {
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    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0202",
      "label": "= C cos {e + ^2)",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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    },
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0203",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0204",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "confidence": "source-located-ocr-candidate",
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    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0205",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0205",
      "label": "(6) The resultant of all the",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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        "original_form": "(6) The resultant of all the",
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0206",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0206",
      "label": "/, upon the e.m.f., or by IE cos d, where 9 = angle of time-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "/, upon the e.m.f., or by IE cos d, where 9 = angle of time-",
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0207",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "45. The instances represented by the vector representation of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "45. The instances represented by the vector representation of",
        "modern_form": "",
        "source_ref": {
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0208",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0208",
      "label": "i = I cos' (?9 - 0)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "i = I cos' (?9 - 0)",
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        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0209",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0209",
      "label": "represented by angle a = 2 x— ' where to = period, and the cur-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "represented by angle a = 2 x— ' where to = period, and the cur-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0210",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0210",
      "label": "angle /? = 2 wf, and since (3 > a, the current reaches its maximum",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "angle /? = 2 wf, and since (3 > a, the current reaches its maximum",
        "modern_form": "",
        "source_ref": {
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    },
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0211",
      "label": "At any moment of time t, represented by angle 9 = 2 tt— ' the in-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "At any moment of time t, represented by angle 9 = 2 tt— ' the in-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0212",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0212",
      "label": "Angle lOA = /3 being larger than angle EOA = a, the current",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "Angle lOA = /3 being larger than angle EOA = a, the current",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0213",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0213",
      "label": "A = I '7,dd.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "A = I '7,dd.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0214",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1916,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0214",
      "label": "r'-d9 = A.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
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      "evidence": {
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0217",
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      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0220",
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      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0223",
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      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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    {
      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0226",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0227",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0227",
      "label": "1. If a; = 00, or r = oo .",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "1. If a; = 00, or r = oo .",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0228",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0228",
      "label": "2. Ux = 0.",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0229",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "ADMITTANCE, CONDUCTANCE, SUSCEPTANCE 57",
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      "confidence": "source-located-ocr-candidate",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0230",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "0 = o 1 o 2'",
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "hence, 22^2 = (^.2 _[_ 3.2) (-^2 -|- 52) = ;[.",
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      "confidence": "source-located-ocr-candidate",
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      "evidence": {
        "original_form": "hence, 22^2 = (^.2 _[_ 3.2) (-^2 -|- 52) = ;[.",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0232",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0232",
      "label": "z -y/^.2 _(_ a;2 I of admittance.",
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        "original_form": "z -y/^.2 _(_ a;2 I of admittance.",
        "modern_form": "",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0234",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "resistance, r, is varied from r = 0 to r = 00^ the susceptance,",
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      "confidence": "source-located-ocr-candidate",
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      "evidence": {
        "original_form": "resistance, r, is varied from r = 0 to r = 00^ the susceptance,",
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          "source_id": "theory-calculation-alternating-current-phenomena",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0235",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0235",
      "label": "6, decreases from 6 = - at r = 0, to 6 = 0 at r = 00 ; while the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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        "original_form": "6, decreases from 6 = - at r = 0, to 6 = 0 at r = 00 ; while the",
        "modern_form": "",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0236",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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      "label": "(6) ro = 0.8 ohm (Curve II)",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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      "person": "Charles Proteus Steinmetz",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0261",
      "label": "X = -1- 1.0 to a; = — 1.0 ohm.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
        "original_form": "X = -1- 1.0 to a; = — 1.0 ohm.",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0262",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0264",
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      "label": "For ro = 0.8 and x = 0, x = -^ 0.8, x = - 0.8, the vector",
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      "confidence": "source-located-ocr-candidate",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0266",
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      "label": "2. Reactance in Series with a Circuit",
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      "label": "52. In a constant potential system of impressed e.m.f.,",
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      "confidence": "source-located-ocr-candidate",
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
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      "label": "Z ^ r -^jx, z = Vr2\"+x2-",
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      "confidence": "source-located-ocr-candidate",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0269",
      "label": "tan 6 — -;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "V^' + 2x Xo + xo^ = z;",
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      "confidence": "source-located-ocr-candidate",
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "or, Xo = — 2x.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0272",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0272",
      "label": "of the receiver circuit, the voltage is not affected, but E = £\"0,",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0273",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0273",
      "label": "/ = — If Xo < — 2x,it raises, ifxo > — 2x, it lowers, the voltage.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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        "source_ref": {
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0274",
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      "source_id": "theory-calculation-alternating-current-phenomena",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0274",
      "label": "(d) If X = 0, that is, if the receiver circuit is non-inductive,",
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      "confidence": "source-located-ocr-candidate",
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        "source_ref": {
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      "label": "E = ^0^ _ Eo",
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      "record_type": "equation",
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      "label": "= ^°ii-2(7) +8(7-) - + •••!",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0277",
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      "year": 1916,
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      "record_id": "theory-calculation-alternating-current-phenomena-eq-candidate-0277",
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      "status": "candidate",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
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      "label": "CIRCUITS CONTAINING RESISTANCE 65",
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        "original_form": "CIRCUITS CONTAINING RESISTANCE 65",
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      }
    },
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      "id": "theory-calculation-alternating-current-phenomena::equation::theory-calculation-alternating-current-phenomena-eq-candidate-0280",
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      "record_type": "equation",
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      "label": "IMPRESSED E.M.F. CONSTANT, Eo 100",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena/",
      "evidence": {
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      "label": "a three-phase system with a sine wave of e.m.f. between the lines, the curves of exciting current, magnetic flux and voltage per transformer, or between lines and neutral, are constructed in Fig. 184. i is the exciting current of the transformer, and contains all the harmonics, except the third and its multiples. It is given",
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        "caption": "a three-phase system with a sine wave of e.m.f. between the lines, the curves of exciting current, magnetic flux and voltage per transformer, or between lines and neutral, are constructed in Fig. 184. i is the exciting current of the transformer, and contains all the harmonics, except the third and its multiples. It is given",
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      "label": "0 Fig. 191. of the harmonic, and the winding of the motor primary. Thus,",
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        "caption": "^<MS^iB>^ 4 Fig. 194. The three-phase system, consisting of three e.m.fs. displaced by one-third of a period, is used exclusively as interlinked system.",
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        "caption": "—E nmTswusvsvrno- Fig. 195. a three-phase system, in the alternating supply circuit of large synchronous converters.",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0036",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0036",
      "label": "Let m = intensity of magnet poles. I = 5 is the radius on",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "Let m = intensity of magnet poles. I = 5 is the radius on",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 777,
          "line_end": 777,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0037",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0037",
      "label": "Thus 2mHl = 2'm = torque exerted by the terrestrial",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "Thus 2mHl = 2'm = torque exerted by the terrestrial",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 780,
          "line_end": 780,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0038",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0038",
      "label": "2 grams weight = 2 X 980 = 1960 units of force. These at",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "2 grams weight = 2 X 980 = 1960 units of force. These at",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 783,
          "line_end": 783,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0039",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0039",
      "label": "4 cm. radius give the torque 4 X I960 = 7840 g cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "4 cm. radius give the torque 4 X I960 = 7840 g cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 784,
          "line_end": 784,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0040",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0040",
      "label": "Hence 2m = 7840.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "Hence 2m = 7840.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 786,
          "line_end": 786,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0041",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0041",
      "label": "m = 3920 is the strength of each magnet pole and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "m = 3920 is the strength of each magnet pole and",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 788,
          "line_end": 788,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0042",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0042",
      "label": "3> = 4 Trm = 49,000, the number of lines of force issuing from",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "3> = 4 Trm = 49,000, the number of lines of force issuing from",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 790,
          "line_end": 790,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0043",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0043",
      "label": "50 cm., if the intensity of the terrestrial magnetic field is 0.2?",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "50 cm., if the intensity of the terrestrial magnetic field is 0.2?",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 796,
          "line_end": 796,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0044",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0044",
      "label": "The intensity of the magnetic field of 100 amp., 50 cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "The intensity of the magnetic field of 100 amp., 50 cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 798,
          "line_end": 798,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0045",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0045",
      "label": "from the conductor, is H = — ^ — = 0.2 X -^r = 0.4, the direc-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "from the conductor, is H = — ^ — = 0.2 X -^r = 0.4, the direc-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 802,
          "line_end": 802,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0046",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0046",
      "label": "the magnetic meridian, 10 = length of needle, m = intensity of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "the magnetic meridian, 10 = length of needle, m = intensity of",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 807,
          "line_end": 807,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0047",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0047",
      "label": "sin T = 0.2 mlo sin r, the torque of the current is",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "sin T = 0.2 mlo sin r, the torque of the current is",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 809,
          "line_end": 809,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0048",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0048",
      "label": "0.2/raZocosr",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "0.2/raZocosr",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 811,
          "line_end": 811,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0049",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0049",
      "label": "cos r = - — — - = 0.4",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "cos r = - — — - = 0.4",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 812,
          "line_end": 812,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0050",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0050",
      "label": "In equilibrium, 0.2 mlQ sin r = 0.4 mlQ cos r, or tan r = 2,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "In equilibrium, 0.2 mlQ sin r = 0.4 mlQ cos r, or tan r = 2,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 817,
          "line_end": 817,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0051",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0051",
      "label": "r = 63.4°.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "r = 63.4°.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 818,
          "line_end": 818,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0052",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0052",
      "label": "9. (3) What is the- total magnetic flux per I = 1000 m. length,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "9. (3) What is the- total magnetic flux per I = 1000 m. length,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 820,
          "line_end": 820,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0053",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0053",
      "label": "line carrying 7 amperes of current, if Id = 0.82 cm. is the diam-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "line carrying 7 amperes of current, if Id = 0.82 cm. is the diam-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 822,
          "line_end": 822,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0054",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0054",
      "label": "eter of the conductors (No. 0 B. & S.), 18 = 45 cm. the spacing",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "eter of the conductors (No. 0 B. & S.), 18 = 45 cm. the spacing",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 823,
          "line_end": 823,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0055",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0055",
      "label": "FIG. 2. — Diagram of transmission line for inductance calculation.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "FIG. 2. — Diagram of transmission line for inductance calculation.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 827,
          "line_end": 827,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0056",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0056",
      "label": "At distance lr from the center of one of the conductors (Fig. 2),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "At distance lr from the center of one of the conductors (Fig. 2),",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 829,
          "line_end": 829,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0057",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0057",
      "label": "/ = s— r> and the field intensity H = 0.4 irf = -^ — > and the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "/ = s— r> and the field intensity H = 0.4 irf = -^ — > and the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 833,
          "line_end": 833,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0058",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0058",
      "label": "0.27/Floge Zrj£ = 0.2/nog.^-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "0.27/Floge Zrj£ = 0.2/nog.^-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 844,
          "line_end": 844,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0059",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0059",
      "label": "2 $ = 0.4 II log, p",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "2 $ = 0.4 II log, p",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 851,
          "line_end": 851,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0060",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0060",
      "label": "or per 1000 m. = 105 cm. length,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "or per 1000 m. = 105 cm. length,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 855,
          "line_end": 855,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0061",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0061",
      "label": "2 $ = 0.4 X 105 / log, TT^ = 0.4 X 105 X 4.70 I = 0.188 X 106 7,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "2 $ = 0.4 X 105 / log, TT^ = 0.4 X 105 X 4.70 I = 0.188 X 106 7,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 858,
          "line_end": 858,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0062",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0062",
      "label": "of 930 sq. cm. and the length of 15 cm., the air-gap between",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "of 930 sq. cm. and the length of 15 cm., the air-gap between",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 876,
          "line_end": 876,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0063",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0063",
      "label": "stationary field poles and revolving armature is 0.95 cm. in",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "stationary field poles and revolving armature is 0.95 cm. in",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 877,
          "line_end": 877,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0064",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0064",
      "label": "length and 1200 sq. cm. in section, the field pole is 26.3 cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "length and 1200 sq. cm. in section, the field pole is 26.3 cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 878,
          "line_end": 878,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0065",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0065",
      "label": "in length and 1075 sq. cm. in section, and is of laminated iron,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "in length and 1075 sq. cm. in section, and is of laminated iron,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 879,
          "line_end": 879,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0066",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0066",
      "label": "20 cm. and 2250 sq. cm. section, and is of cast iron?",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "20 cm. and 2250 sq. cm. section, and is of cast iron?",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 885,
          "line_end": 885,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0067",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0067",
      "label": "The magnetic densities are: BI = 6880 in the armature, B2 =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "The magnetic densities are: BI = 6880 in the armature, B2 =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 887,
          "line_end": 887,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0068",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0068",
      "label": "5340 in the air-gap, B3 = 5950 in the field pole, and B4 = 2850",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "5340 in the air-gap, B3 = 5950 in the field pole, and B4 = 2850",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 888,
          "line_end": 888,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0069",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0069",
      "label": "in the yoke. The permeability of sheet iron is m = 2550 at",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "in the yoke. The permeability of sheet iron is m = 2550 at",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 889,
          "line_end": 889,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0070",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0070",
      "label": "5i = 6880, MS = 2380 at B3 = 5950. The permeability of cast",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "5i = 6880, MS = 2380 at B3 = 5950. The permeability of cast",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 890,
          "line_end": 890,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0071",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0071",
      "label": "iron is /z4 = 280 at B4 = 2850. Thus the field intensity/ H = - j",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "iron is /z4 = 280 at B4 = 2850. Thus the field intensity/ H = - j",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 892,
          "line_end": 892,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0072",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0072",
      "label": "is: Hi = 2.7, #2 = 5340, H3 = 2.5, H, = 10.2.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "is: Hi = 2.7, #2 = 5340, H3 = 2.5, H, = 10.2.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 893,
          "line_end": 893,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0073",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0073",
      "label": "The magnetizing force (/ = {TT— ) is> fl = 2'15> ^2 = 4250'",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "The magnetizing force (/ = {TT— ) is> fl = 2'15> ^2 = 4250'",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 895,
          "line_end": 895,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0074",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0074",
      "label": "/3 = 1.99, /4 = 8.13 ampere-turns per centimeter. Thus the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "/3 = 1.99, /4 = 8.13 ampere-turns per centimeter. Thus the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 897,
          "line_end": 897,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0075",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0075",
      "label": "m.m.f. (F = fl) is: Fi = 32, F2 = 4040, F3 = 52, F4 = 163, or",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "m.m.f. (F = fl) is: Fi = 32, F2 = 4040, F3 = 52, F4 = 163, or",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 898,
          "line_end": 898,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0076",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0076",
      "label": "F = Fi + F2 + F3 + ^4 = 4290 ampere-turns.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "F = Fi + F2 + F3 + ^4 = 4290 ampere-turns.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 901,
          "line_end": 901,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0077",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0077",
      "label": "109 times unit resistance is the practical unit, called the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "109 times unit resistance is the practical unit, called the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 933,
          "line_end": 933,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0078",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0078",
      "label": "The ohm is the resistance of a circuit, in which 1 volt",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "The ohm is the resistance of a circuit, in which 1 volt",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 939,
          "line_end": 939,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0079",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0079",
      "label": "and resistivity p is r = -7\"",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "and resistivity p is r = -7\"",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 952,
          "line_end": 952,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0080",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0080",
      "label": "cylinder, if the magnetic flux of the electromagnet is <£ = 25",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "cylinder, if the magnetic flux of the electromagnet is <£ = 25",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 985,
          "line_end": 985,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0081",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0081",
      "label": "lines. It makes 50 rev. per sec. Thus it cuts 50 X 25 X 106 =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "lines. It makes 50 rev. per sec. Thus it cuts 50 X 25 X 106 =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 989,
          "line_end": 989,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0082",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0082",
      "label": "12.5 X 108 lines of magnetic flux per second. Hence the gener-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "12.5 X 108 lines of magnetic flux per second. Hence the gener-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 990,
          "line_end": 990,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0083",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0083",
      "label": "ated e.m.f. is E = 12.5 volts.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "ated e.m.f. is E = 12.5 volts.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 991,
          "line_end": 991,
          "verification": "needs-verification"
        }
      }
    },
    {
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      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0085",
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      "confidence": "source-located-ocr-candidate",
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      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0086",
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      "source_id": "theoretical-elements-electrical-engineering",
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      "confidence": "source-located-ocr-candidate",
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        "original_form": "ohms per cm.3 1",
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        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0087",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0087",
      "label": "Since 616 turns on each field spool are used, and 4280 ampere-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "Since 616 turns on each field spool are used, and 4280 ampere-",
        "modern_form": "",
        "source_ref": {
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        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0088",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0088",
      "label": "turns required, the current is fi1fi = 6.95 amp.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "turns required, the current is fi1fi = 6.95 amp.",
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        "source_ref": {
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0089",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0089",
      "label": "The resistance of 20 spools of 616 turns of 160 cm. length,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "The resistance of 20 spools of 616 turns of 160 cm. length,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1019,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0090",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0090",
      "label": "0.106 sq. cm. section, and 1.8 X 10~6 resistivity is,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "0.106 sq. cm. section, and 1.8 X 10~6 resistivity is,",
        "modern_form": "",
        "source_ref": {
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0091",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0091",
      "label": "20 X 616 X 160 X 1.8 X 10~6",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "20 X 616 X 160 X 1.8 X 10~6",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1023,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0092",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0092",
      "label": "= 33.2 ohms,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "= 33.2 ohms,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1026,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0093",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0093",
      "label": "and the e.m.f. required, 6.95 X 33.2 = 230 volts.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "and the e.m.f. required, 6.95 X 33.2 = 230 volts.",
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        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
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        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0094",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0094",
      "label": "1 cm.3 refers to a cube whose side is 1 cm., and should not be confused",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "1 cm.3 refers to a cube whose side is 1 cm., and should not be confused",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1041,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0095",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0095",
      "label": "If 3> = the maximum number of lines of force inclosed by",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "If 3> = the maximum number of lines of force inclosed by",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1050,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0096",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0096",
      "label": "E = 4 fn$ absolute units,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "E = 4 fn$ absolute units,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1056,
          "line_end": 1056,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0097",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0097",
      "label": "= 4fn3> ID\"8 volts.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "= 4fn3> ID\"8 volts.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0098",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0098",
      "label": "E = 4n$ volts.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "E = 4n$ volts.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1063,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0099",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0099",
      "label": "T = 90°, or at the position of zero inclosure of magnetic flux",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "T = 90°, or at the position of zero inclosure of magnetic flux",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1082,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0100",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0100",
      "label": "E = 4 fn& is the average generated e.m.f.,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "E = 4 fn& is the average generated e.m.f.,",
        "modern_form": "",
        "source_ref": {
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0101",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0101",
      "label": "EQ = 2 irfn& is the maximurft, and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "EQ = 2 irfn& is the maximurft, and",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1100,
          "line_end": 1100,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0102",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0102",
      "label": "e = 2 7r/n$ sin r the instantaneous generated e.m.f.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "e = 2 7r/n$ sin r the instantaneous generated e.m.f.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1101,
          "line_end": 1101,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0103",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0103",
      "label": "Thus, 6 = 2 wft",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "Thus, 6 = 2 wft",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1132,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0104",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0104",
      "label": "e = 2>jrfn3> sin 2 irft.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "e = 2>jrfn3> sin 2 irft.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1134,
          "line_end": 1134,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0105",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0105",
      "label": "e = 2 irfn$ sin 2 IT} (t - ti)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "e = 2 irfn$ sin 2 IT} (t - ti)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1140,
          "line_end": 1140,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0106",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0106",
      "label": "or, e = 2-jrfn& sin (6 — 0i),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "or, e = 2-jrfn& sin (6 — 0i),",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1141,
          "line_end": 1141,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0107",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0107",
      "label": "where 0i = 2 irfli is the angle at which the position of maxi-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "where 0i = 2 irfli is the angle at which the position of maxi-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1143,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0108",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0108",
      "label": "E = 4/n$> = generated e.m.f. ($ in megalines, / in",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "E = 4/n$> = generated e.m.f. ($ in megalines, / in",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1174,
          "line_end": 1174,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0109",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0109",
      "label": "17. (1) A circular wire coil of 200 turns and 40 cm. mean",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "17. (1) A circular wire coil of 200 turns and 40 cm. mean",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1181,
          "line_end": 1181,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0110",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0110",
      "label": "The mean area of the coil is — j— = 1255 sq. cm., thus the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "The mean area of the coil is — j— = 1255 sq. cm., thus the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1189,
          "line_end": 1189,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0111",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0111",
      "label": "15 rev. per sec., this flux is cut 4 X 15 = 60 times per second by",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "15 rev. per sec., this flux is cut 4 X 15 = 60 times per second by",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1192,
          "line_end": 1192,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0112",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0112",
      "label": "each turn, or 200 X 60 = 12,000 times by the coil. Thus the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "each turn, or 200 X 60 = 12,000 times by the coil. Thus the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1193,
          "line_end": 1193,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0113",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0113",
      "label": "per second is 12,000 X 1255 H = 0.151 X 108 H, and the average",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "per second is 12,000 X 1255 H = 0.151 X 108 H, and the average",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1195,
          "line_end": 1195,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0114",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0114",
      "label": "generated e.m.f. is 0.151 H volts. Since this is = 0.028 volt,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "generated e.m.f. is 0.151 H volts. Since this is = 0.028 volt,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1196,
          "line_end": 1196,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0115",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0115",
      "label": "H = 0.186.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "H = 0.186.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1197,
          "line_end": 1197,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0116",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0116",
      "label": "next integer divisible by 3, n = 51 segments or turns per pole.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "next integer divisible by 3, n = 51 segments or turns per pole.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1208,
          "line_end": 1208,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0117",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0117",
      "label": "50%Q = 8.33 rev. per sec. Thus the frequency is/ = 4 X 8.33",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "50%Q = 8.33 rev. per sec. Thus the frequency is/ = 4 X 8.33",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1214,
          "line_end": 1214,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0118",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0118",
      "label": "= 33.3 cycles per second.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "= 33.3 cycles per second.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1215,
          "line_end": 1215,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0119",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0119",
      "label": "The generated e.m.f. is E = 550 volts, thus by the formula of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "The generated e.m.f. is E = 550 volts, thus by the formula of",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1217,
          "line_end": 1217,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0120",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0120",
      "label": "E = 4/n<l>,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "E = 4/n<l>,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1220,
          "line_end": 1220,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0121",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0121",
      "label": "or, 550 = 4 X 0.333 X 51 <l>,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "or, 550 = 4 X 0.333 X 51 <l>,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1222,
          "line_end": 1222,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0122",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0122",
      "label": "<i> = 8.1 megalines per pole.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "<i> = 8.1 megalines per pole.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1224,
          "line_end": 1224,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0123",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0123",
      "label": "19. (3) What is the e.m.f. generated in a single turn of a",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "19. (3) What is the e.m.f. generated in a single turn of a",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1226,
          "line_end": 1226,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0124",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0124",
      "label": "The frequency is / = V£~£ ~ = 33-3 cycles-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "The frequency is / = V£~£ ~ = 33-3 cycles-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1232,
          "line_end": 1232,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0125",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0125",
      "label": "EQ = 2 irfn3>,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "EQ = 2 irfn3>,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1236,
          "line_end": 1236,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0126",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0126",
      "label": "$ = 6.4,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "$ = 6.4,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1237,
          "line_end": 1237,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0127",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0127",
      "label": "f = 0.333.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "f = 0.333.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1239,
          "line_end": 1239,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0128",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0128",
      "label": "Thus, EQ = 2 TT X 0.333 X 6.4 = 13.4 volts maximum, or",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "Thus, EQ = 2 TT X 0.333 X 6.4 = 13.4 volts maximum, or",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1241,
          "line_end": 1241,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0129",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0129",
      "label": "e = 13.4 sin 0.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "e = 13.4 sin 0.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1242,
          "line_end": 1242,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0130",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0130",
      "label": "The e.m.f. consumed by resistance r is EI = 7r, thus the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "The e.m.f. consumed by resistance r is EI = 7r, thus the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1249,
          "line_end": 1249,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0131",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0131",
      "label": "power consumed by resistance r is P = 72r.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "power consumed by resistance r is P = 72r.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1250,
          "line_end": 1250,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0132",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0132",
      "label": "If an alternating current i = I0 sin 6 passes through a resist-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "If an alternating current i = I0 sin 6 passes through a resist-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1257,
          "line_end": 1257,
          "verification": "needs-verification"
        }
      }
    },
    {
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      "source_id": "theoretical-elements-electrical-engineering",
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      "confidence": "source-located-ocr-candidate",
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        "source_ref": {
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        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0134",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0134",
      "label": "since avg. (cos) = 0.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "since avg. (cos) = 0.",
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        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0135",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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      "record_type": "equation",
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      "label": "Thus the alternating current i = IQ since 0 consumes in a resist-",
      "status": "candidate",
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      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0136",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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      "record_type": "equation",
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      "label": "The value / = —7= is called the effective value of the alter-",
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      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0137",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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      "label": "nating current i = IQ sin 0; since it gives the same effect.",
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      "confidence": "source-located-ocr-candidate",
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      "evidence": {
        "original_form": "nating current i = IQ sin 0; since it gives the same effect.",
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      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0138",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0138",
      "label": "e.m.f., e = EQ sin 6.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "e.m.f., e = EQ sin 6.",
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        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0139",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0139",
      "label": "Since E0 = 2 irfn$, it follows that",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
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        "original_form": "Since E0 = 2 irfn$, it follows that",
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        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0140",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0140",
      "label": "= 4.44 fn& ;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "= 4.44 fn& ;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1300,
          "line_end": 1300,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0141",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0141",
      "label": "E = V2 *fn$,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "E = V2 *fn$,",
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        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1317,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0142",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0142",
      "label": "E = 7 \\/2",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "E = 7 \\/2",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1326,
          "line_end": 1326,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0143",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0143",
      "label": "= 4.44 X 0.333 X 360 X 6.4",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "= 4.44 X 0.333 X 360 X 6.4",
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        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1355,
          "line_end": 1355,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0144",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0144",
      "label": "= 3400 volts per circuit.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "= 3400 volts per circuit.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1356,
          "line_end": 1356,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0145",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0145",
      "label": "which differ by 60 degrees, and is thus 2 sin 60° = -\\/3 times",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "which differ by 60 degrees, and is thus 2 sin 60° = -\\/3 times",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1361,
          "line_end": 1361,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0146",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0146",
      "label": "= 5900 volts effective.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "= 5900 volts effective.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1367,
          "line_end": 1367,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0147",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0147",
      "label": "sq. cm. and a mean length of 240 cm. per turn. At a resistivity",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "sq. cm. and a mean length of 240 cm. per turn. At a resistivity",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1370,
          "line_end": 1370,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0148",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0148",
      "label": "1.8 X 10~6, what is the e.m.f. consumed in the machine by the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "1.8 X 10~6, what is the e.m.f. consumed in the machine by the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1372,
          "line_end": 1372,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0149",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0149",
      "label": "resistance, and what the power consumed at 450 kw. output?",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "resistance, and what the power consumed at 450 kw. output?",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1373,
          "line_end": 1373,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0150",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0150",
      "label": "the current / = omn = 44.2 amperes effective.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "the current / = omn = 44.2 amperes effective.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1378,
          "line_end": 1378,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0151",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0151",
      "label": "The resistance of 360 turns of 240 cm. length, 0.22 sq. cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "The resistance of 360 turns of 240 cm. length, 0.22 sq. cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1381,
          "line_end": 1381,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0152",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0152",
      "label": "section and 1.8 X 10~6 resistivity, is",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "section and 1.8 X 10~6 resistivity, is",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1382,
          "line_end": 1382,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0153",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0153",
      "label": "360 X 240 X 1.8 X 10~6",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "360 X 240 X 1.8 X 10~6",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1384,
          "line_end": 1384,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0154",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0154",
      "label": "r = - — -rT^ — \" = 0.71 ohms per circuit.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "r = - — -rT^ — \" = 0.71 ohms per circuit.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1385,
          "line_end": 1385,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0155",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0155",
      "label": "X 0.71 = 1400 watts per circuit, or a total of 3 X 1400 = 4200",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "X 0.71 = 1400 watts per circuit, or a total of 3 X 1400 = 4200",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1388,
          "line_end": 1388,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0156",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0156",
      "label": "24. (3) What is the self-inductance per wire of a three-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "24. (3) What is the self-inductance per wire of a three-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1391,
          "line_end": 1391,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0157",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0157",
      "label": "(Id = 0.82 cm.), 45 cm. apart, transmitting the output of this",
      "status": "candidate",
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      "evidence": {
        "original_form": "(Id = 0.82 cm.), 45 cm. apart, transmitting the output of this",
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        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0158",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0158",
      "label": "effective gives 44.2\\/2 = 62.5 amp. maximum.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "effective gives 44.2\\/2 = 62.5 amp. maximum.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1401,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0159",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0159",
      "label": "14 miles = 22,400 m. The magnetic flux produced by /",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "14 miles = 22,400 m. The magnetic flux produced by /",
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        "source_ref": {
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          "line_start": 1403,
          "line_end": 1403,
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        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0160",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0160",
      "label": "amperes in 1000 m. of a transmission line of 2 wires 45 cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "amperes in 1000 m. of a transmission line of 2 wires 45 cm.",
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        "source_ref": {
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0161",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0161",
      "label": "apart and 0.82 cm. diameter was found in paragraph 1, example",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "apart and 0.82 cm. diameter was found in paragraph 1, example",
        "modern_form": "",
        "source_ref": {
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          "line_start": 1405,
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        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0162",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0162",
      "label": "3, as 2 $ = 0.188 X 106/, or $ = 0.094 X 106/ for each wire.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "3, as 2 $ = 0.188 X 106/, or $ = 0.094 X 106/ for each wire.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1406,
          "line_end": 1406,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0163",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0163",
      "label": "$ = 22.3 X 62.5 X 0.094 X 106 = 131 megalines.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "$ = 22.3 X 62.5 X 0.094 X 106 = 131 megalines.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1411,
          "line_end": 1411,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0164",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0164",
      "label": "E = A/2 */ $",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "E = A/2 */ $",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1414,
          "line_end": 1414,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0165",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0165",
      "label": "= 4.44 X 0.333 X 131",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "= 4.44 X 0.333 X 131",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1416,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0166",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0166",
      "label": "= 193 volts per line;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "= 193 volts per line;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1417,
          "line_end": 1417,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0167",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0167",
      "label": "#o = E X \\/2 = 273 volts per line;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "#o = E X \\/2 = 273 volts per line;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1420,
          "line_end": 1420,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0168",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0168",
      "label": "e = E0 sin (0 - 0i) = 273 sin (0 - 0i) ;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "e = E0 sin (0 - 0i) = 273 sin (0 - 0i) ;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1423,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0169",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0169",
      "label": "or, since 0 = 2 irft = 210 t we have,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "or, since 0 = 2 irft = 210 t we have,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1425,
          "line_end": 1425,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0170",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0170",
      "label": "e = 273 sin 210 (t - h).",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "e = 273 sin 210 (t - h).",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1427,
          "line_end": 1427,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0171",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0171",
      "label": "ei = 0.8 e;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "ei = 0.8 e;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1465,
          "line_end": 1465,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0172",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0172",
      "label": "ez = | ei = 0.4 ire,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "ez = | ei = 0.4 ire,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1470,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0173",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0173",
      "label": "FIG. 8. — E.m.f. of a single conductor, direct-current machine",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "FIG. 8. — E.m.f. of a single conductor, direct-current machine",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1477,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0174",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0174",
      "label": "e4 to the effective value e3 of a sine wave of the same mean",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "e4 to the effective value e3 of a sine wave of the same mean",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1490,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0175",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0175",
      "label": "T = e3 = ^T",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "T = e3 = ^T",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1494,
          "line_end": 1494,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0176",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0176",
      "label": "= 1.006;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "= 1.006;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1496,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0177",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0177",
      "label": "C, as shown in Fig. 6, to B, E, constant voltage E exists between",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "C, as shown in Fig. 6, to B, E, constant voltage E exists between",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1500,
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      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0178",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0178",
      "label": "e1 = 0.2 E + 2 X",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "e1 = 0.2 E + 2 X",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1520,
          "line_end": 1520,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0179",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0179",
      "label": "= 0.6 E.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "= 0.6 E.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1523,
          "line_end": 1523,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0180",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0180",
      "label": "e2 = 2 ei — 0-3 irE,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "e2 = 2 ei — 0-3 irE,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1527,
          "line_end": 1527,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0181",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0181",
      "label": "rising on a parabolic curve from 0 to E2 during 40 per cent, of",
      "status": "candidate",
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      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "rising on a parabolic curve from 0 to E2 during 40 per cent, of",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 1543,
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      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0182",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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      "source_id": "theoretical-elements-electrical-engineering",
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      "source_id": "theoretical-elements-electrical-engineering",
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    },
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      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0186",
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      "label": "M2 = ZaL2.",
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      "source_id": "theoretical-elements-electrical-engineering",
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      "label": "27. Thus, if LI and L2 are the inductances of the two circuits,",
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0188",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
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      "label": "mutual inductance and — 1 = — + —",
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0189",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theoretical-elements-electrical-engineering",
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    {
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theoretical-elements-electrical-engineering",
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    {
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theoretical-elements-electrical-engineering",
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      "label": "or M2 = (Li - Si)(Lz - Sz).",
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    {
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      "source_id": "theoretical-elements-electrical-engineering",
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      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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    },
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theoretical-elements-electrical-engineering",
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      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0198",
      "person": "Charles Proteus Steinmetz",
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    },
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      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0199",
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      "label": "28. (1) What is the inductance of the field of a 20-pole",
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      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0200",
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    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0201",
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      "label": "12,320 Each is interlinked with 6.4 X 106 lines, thus the total",
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    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0202",
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      "label": "number of interlinkages at 6.95 amp. is 12,320 X 6.4 X 106 =",
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0203",
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      "record_type": "equation",
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      "label": "78 X 109.",
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        "original_form": "78 X 109.",
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0204",
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0205",
      "person": "Charles Proteus Steinmetz",
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      "label": "29. (2) What is the mutual inductance between an alter-",
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      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0206",
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      "source_id": "theoretical-elements-electrical-engineering",
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      "record_type": "equation",
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      "label": "below and 1.20 m. distant from the one, 1.50 m. distant from",
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      }
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      }
    },
    {
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      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0210",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
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      }
    },
    {
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      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
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      "label": "= 322 X 10371ogei||° = 72 7 103;",
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        }
      }
    },
    {
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theoretical-elements-electrical-engineering",
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    {
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    {
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    {
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    {
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      }
    },
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      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
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      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
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    },
    {
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theoretical-elements-electrical-engineering",
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    {
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      "source_id": "theoretical-elements-electrical-engineering",
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    {
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    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0224",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
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      "label": "for t = 0, t",
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      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0225",
      "label": "6l = H(r-f TI)€ JT-',",
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      "label": "At * = 0,",
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        "original_form": "(3) Impressing E = 500 volts upon a circuit of r = 33.2,",
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      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0256",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0256",
      "label": "L = 112, gives",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "L = 112, gives",
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        "source_ref": {
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          "line_start": 2116,
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        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0257",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0257",
      "label": "= 15.1 (1 - €-°-2960.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "= 15.1 (1 - €-°-2960.",
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        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2119,
          "line_end": 2119,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0258",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0258",
      "label": "i = 6.95, or full field strength, gives",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "i = 6.95, or full field strength, gives",
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        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
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          "line_end": 2120,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0259",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0259",
      "label": "6.95 = 15.1 (1 - e-°-2960.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "6.95 = 15.1 (1 - e-°-2960.",
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        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2121,
          "line_end": 2121,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0260",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0260",
      "label": "1 - €-°-296 « = 0.46",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "1 - €-°-296 « = 0.46",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2123,
          "line_end": 2123,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0261",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0261",
      "label": "and t = 2.08 seconds.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "and t = 2.08 seconds.",
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        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2125,
          "line_end": 2125,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0262",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0262",
      "label": "~ = 2720 watt-seconds or joules",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "~ = 2720 watt-seconds or joules",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2131,
          "line_end": 2131,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0263",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0263",
      "label": "= 2000 foot-pounds.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "= 2000 foot-pounds.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2135,
          "line_end": 2135,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0264",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0264",
      "label": "(1 joule = 0.736 foot-pounds.)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "(1 joule = 0.736 foot-pounds.)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2137,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0265",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0265",
      "label": "seconds, the average power input is -c -^ = 960 foot pounds",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "seconds, the average power input is -c -^ = 960 foot pounds",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2141,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0266",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0266",
      "label": "per second = 1.75 hp.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "per second = 1.75 hp.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2145,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0267",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0267",
      "label": "33. (5) A coil of resistance r = 0.002 ohm and inductance",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "33. (5) A coil of resistance r = 0.002 ohm and inductance",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2150,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0268",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0268",
      "label": "L = 0.005 mh., carrying current / = 90 amp., is short circuited.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "L = 0.005 mh., carrying current / = 90 amp., is short circuited.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2151,
          "line_end": 2151,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0269",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0269",
      "label": "= 90 e-400'.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "= 90 e-400'.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2164,
          "line_end": 2164,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0270",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0270",
      "label": "(6) i = 0.1 7, c-400< = 0.1, after t = 0.00576 second.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "(6) i = 0.1 7, c-400< = 0.1, after t = 0.00576 second.",
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        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2166,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0271",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0271",
      "label": "E = 1 volt is inserted in the circuit of this coil, in opposite direc-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "E = 1 volt is inserted in the circuit of this coil, in opposite direc-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2169,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0272",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0272",
      "label": "Thus, - E + 61 = - E - L jt, the total e.m.f.;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "Thus, - E + 61 = - E - L jt, the total e.m.f.;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2191,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0273",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0273",
      "label": "At t = 0, i",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "At t = 0, i",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2213,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0274",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0274",
      "label": "At t = 0, i = /, thus c = / + -;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "At t = 0, i = /, thus c = / + -;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2219,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0275",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0275",
      "label": "(6) i = o, e-400 « = 0.85, after t = 0.000405 second.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "(6) i = o, e-400 « = 0.85, after t = 0.000405 second.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2233,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0276",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0276",
      "label": "(c) i = - I = - 90, e-400 « = 0.694, after t = 0.00091 second.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "(c) i = - I = - 90, e-400 « = 0.694, after t = 0.00091 second.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2235,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0277",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0277",
      "label": "(d) If i = 0 at * = 0.0005, then",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "(d) If i = 0 at * = 0.0005, then",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2237,
          "line_end": 2237,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0278",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0278",
      "label": "0 = (90 + 500 E) e-°-2 - 500 #,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "0 = (90 + 500 E) e-°-2 - 500 #,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2239,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0279",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0279",
      "label": "E = joTITi = °-81 volt-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "E = joTITi = °-81 volt-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theoretical-elements-electrical-engineering",
          "line_start": 2241,
          "line_end": 2241,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0280",
      "person": "Charles Proteus Steinmetz",
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      "label": "(e) If t = - I = - 90 at t = 0.001, then",
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    },
    {
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      "label": "- 90 = (90 + 500 E) €-°-4 - 500 E,",
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0282",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theoretical-elements-electrical-engineering",
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      "label": "E = - = 0.91 volt.",
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0283",
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      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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      "label": "7. INDUCTANCE IN ALTERNATING-CURRENT CIRCUITS",
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0284",
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      "label": "34. An alternating current i = IQ sin 2irft or i — I0 sin 0",
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0285",
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      "source_id": "theoretical-elements-electrical-engineering",
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      "label": "curved line as shown in Fig. 10, with the instantaneous values",
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0286",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0286",
      "label": "FIG. 10. — Alternating sine wave.",
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0287",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theoretical-elements-electrical-engineering",
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      "label": "to the time, 6 = 2irft, as abscissas, counting the time from the",
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    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0288",
      "person": "Charles Proteus Steinmetz",
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      "label": "i = /0 sin 2 IT/ (t - t'),",
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    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0289",
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      "label": "or i = /osin (6 — 8'),",
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0290",
      "person": "Charles Proteus Steinmetz",
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      "label": "If such a sine wave of alternating current i = IQ sin 2 irft or",
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    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0291",
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      "source_id": "theoretical-elements-electrical-engineering",
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0292",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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      "label": "interlinkages with the current, iL = IoL sin 0, vary in a wave",
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      "evidence": {
        "original_form": "interlinkages with the current, iL = IoL sin 0, vary in a wave",
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0293",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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      "label": "complete period, = -v or by the time angle 6 = 90°.",
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      "evidence": {
        "original_form": "complete period, = -v or by the time angle 6 = 90°.",
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        "source_ref": {
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0294",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0294",
      "label": "FIG. 11. — Self-induction effects produced by an alternating sine wave",
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      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "FIG. 11. — Self-induction effects produced by an alternating sine wave",
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0295",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0295",
      "label": "= - 2 TT/L/O cos 2 irft.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "= - 2 TT/L/O cos 2 irft.",
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        "source_ref": {
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      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0296",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0296",
      "label": "The quantity 2 irfL is called the inductive reactance of the",
      "status": "candidate",
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      "evidence": {
        "original_form": "The quantity 2 irfL is called the inductive reactance of the",
        "modern_form": "",
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    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0297",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theoretical-elements-electrical-engineering",
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      "label": "2 irft = /o sin 0) of effective value",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "2 irft = /o sin 0) of effective value",
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      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0298",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theoretical-elements-electrical-engineering",
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      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0298",
      "label": "e'2 = — xI0 cos 2 irft = — xIQ cos 6,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "e'2 = — xI0 cos 2 irft = — xIQ cos 6,",
        "modern_form": "",
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      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0299",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theoretical-elements-electrical-engineering",
      "source_title": "Theoretical Elements of Electrical Engineering",
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      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0299",
      "label": "35. By the counter e.m.f. of inductance,",
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      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "35. By the counter e.m.f. of inductance,",
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      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::equation::theoretical-elements-electrical-engineering-eq-candidate-0300",
      "person": "Charles Proteus Steinmetz",
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      "record_type": "equation",
      "record_id": "theoretical-elements-electrical-engineering-eq-candidate-0300",
      "label": "e'z = — xIQ cos 0,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "original_form": "e'z = — xIQ cos 0,",
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      }
    },
    {
      "id": "theoretical-elements-electrical-engineering::figure::theoretical-elements-electrical-engineering-fig-011",
      "person": "Charles Proteus Steinmetz",
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      "source_title": "Theoretical Elements of Electrical Engineering",
      "year": 1915,
      "record_type": "figure",
      "record_id": "theoretical-elements-electrical-engineering-fig-011",
      "label": "e\\ = — r/0 sin 0, opposite in phase to the current, shown as e\\ in dotted line in Fig. 11. The counter e.m.f. of resistance and the e.m.f. consumed by resistance have the same relation to each other as the counter",
      "status": "candidate",
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      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "figure_number": 11,
        "caption": "e\\ = — r/0 sin 0, opposite in phase to the current, shown as e\\ in dotted line in Fig. 11. The counter e.m.f. of resistance and the e.m.f. consumed by resistance have the same relation to each other as the counter",
        "linked_concepts": [],
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    {
      "id": "theoretical-elements-electrical-engineering::figure::theoretical-elements-electrical-engineering-fig-016",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theoretical-elements-electrical-engineering",
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      "record_type": "figure",
      "record_id": "theoretical-elements-electrical-engineering-fig-016",
      "label": "of the current by angle EOI = 0 would come into the position OE, Fig. 16. This vector diagram then shows graphically, by the projections of the vectors on the horizontal, the instantaneous values of the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "figure_number": 16,
        "caption": "of the current by angle EOI = 0 would come into the position OE, Fig. 16. This vector diagram then shows graphically, by the projections of the vectors on the horizontal, the instantaneous values of the",
        "linked_concepts": [],
        "source_ref": {
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    {
      "id": "theoretical-elements-electrical-engineering::figure::theoretical-elements-electrical-engineering-fig-031",
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      "record_type": "figure",
      "record_id": "theoretical-elements-electrical-engineering-fig-031",
      "label": "Taking i from Fig. 31 and substituting, gives (a) the values of e0 for e = 2000, which are recorded in the table, and plotted in Fig. 31. JTPUT",
      "status": "candidate",
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      "site_path": "/sources/theoretical-elements-electrical-engineering/",
      "evidence": {
        "figure_number": 31,
        "caption": "Taking i from Fig. 31 and substituting, gives (a) the values of e0 for e = 2000, which are recorded in the table, and plotted in Fig. 31. JTPUT",
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        "source_ref": {
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "18. If a condenser is charged through an inductance, and the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2582,
          "line_end": 2582,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0142",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0142",
      "label": "20. In continuous-current circuits the inductance does not",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "20. In continuous-current circuits the inductance does not",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2664,
          "line_end": 2664,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0143",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0143",
      "label": "•enter the equations of stationary condition, but, if e0 = impressed",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "•enter the equations of stationary condition, but, if e0 = impressed",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2665,
          "line_end": 2665,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0144",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0144",
      "label": "e.m.f. by e0, the resistance by r, and the inductance by L.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "e.m.f. by e0, the resistance by r, and the inductance by L.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2689,
          "line_end": 2689,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0145",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0145",
      "label": "therefore at the moment t = 0, by i the current during the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "therefore at the moment t = 0, by i the current during the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2698,
          "line_end": 2698,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0146",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0146",
      "label": "Hence, eQ = ir + L — > (1)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "Hence, eQ = ir + L — > (1)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2716,
          "line_end": 2716,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0147",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0147",
      "label": "However, for t = 0, i = iQ.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "However, for t = 0, i = iQ.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2732,
          "line_end": 2732,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0148",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0148",
      "label": "hence, i = il + (i0 - t\\) e ' , (3)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "hence, i = il + (i0 - t\\) e ' , (3)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2738,
          "line_end": 2738,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0149",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0149",
      "label": "e^-L^rtf.-*,).^', . (4)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "e^-L^rtf.-*,).^', . (4)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2743,
          "line_end": 2743,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0150",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0150",
      "label": "hence a maximum for t = 0, thus :",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "hence a maximum for t = 0, thus :",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2745,
          "line_end": 2745,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0151",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0151",
      "label": "«i° = r (i, - i,). (5)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "«i° = r (i, - i,). (5)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2747,
          "line_end": 2747,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0152",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0152",
      "label": "of current (i0 — t\\), and to the resistance r of the circuit after",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "of current (i0 — t\\), and to the resistance r of the circuit after",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2750,
          "line_end": 2750,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0153",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0153",
      "label": "Let e0 = 125 volts = impressed e.m.f. of the circuit, and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "Let e0 = 125 volts = impressed e.m.f. of the circuit, and",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2768,
          "line_end": 2768,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0154",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0154",
      "label": "tj « 1000 amperes = current in the circuit under stationary",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "tj « 1000 amperes = current in the circuit under stationary",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2769,
          "line_end": 2769,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0155",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0155",
      "label": "= 0.125 ohm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "= 0.125 ohm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2772,
          "line_end": 2772,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0156",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0156",
      "label": "gives a resistance, r0 = 0.0125 ohm of the supply conductors.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "gives a resistance, r0 = 0.0125 ohm of the supply conductors.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2775,
          "line_end": 2775,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0157",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0157",
      "label": "10 mh. per ohm; hence, L = 0.125 mh. = 0.000125 henry.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "10 mh. per ohm; hence, L = 0.125 mh. = 0.000125 henry.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2777,
          "line_end": 2777,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0158",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0158",
      "label": "The current at the moment of starting is i0 = 0, and the general",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "The current at the moment of starting is i0 = 0, and the general",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2779,
          "line_end": 2779,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0159",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0159",
      "label": "m (3)) i = 1000 (1 - e-1000')- (6)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "m (3)) i = 1000 (1 - e-1000')- (6)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2782,
          "line_end": 2782,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0160",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0160",
      "label": "i = 500 amperes, is given by substitution in (6)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "i = 500 amperes, is given by substitution in (6)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2785,
          "line_end": 2785,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0161",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0161",
      "label": "500 = 1000 (1 - s-1\"*\"),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "500 = 1000 (1 - s-1\"*\"),",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2787,
          "line_end": 2787,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0162",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0162",
      "label": "hence e\"1000' = 0.5,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "hence e\"1000' = 0.5,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2788,
          "line_end": 2788,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0163",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0163",
      "label": "t = 0.00069 seconds.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "t = 0.00069 seconds.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2790,
          "line_end": 2790,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0164",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0164",
      "label": "full value, or i = 900 amperes, is t = 0.0023 seconds, that is,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "full value, or i = 900 amperes, is t = 0.0023 seconds, that is,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2793,
          "line_end": 2793,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0165",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0165",
      "label": "Let, in a continuous-current shunt motor, e0 = 250 volts =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "Let, in a continuous-current shunt motor, e0 = 250 volts =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2799,
          "line_end": 2799,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0166",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0166",
      "label": "impressed e.m.f., and the number of poles = 8.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "impressed e.m.f., and the number of poles = 8.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2800,
          "line_end": 2800,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0167",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0167",
      "label": "Assume the magnetic flux per pole, <l>0 = 12.5 megalines, and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "Assume the magnetic flux per pole, <l>0 = 12.5 megalines, and",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2802,
          "line_end": 2802,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0168",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0168",
      "label": "flux as $ = 9000.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "flux as $ = 9000.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2804,
          "line_end": 2804,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0169",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0169",
      "label": "h =- = 4 amperes,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "h =- = 4 amperes,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2810,
          "line_end": 2810,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0170",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0170",
      "label": "r = e-? = 62.5 ohms.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "r = e-? = 62.5 ohms.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2814,
          "line_end": 2814,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0171",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0171",
      "label": "To produce JF = 9000 ampere-turns, with il = 4 amperes,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "To produce JF = 9000 ampere-turns, with il = 4 amperes,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2819,
          "line_end": 2819,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0172",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0172",
      "label": "requires — = 2250 turns per field spool, or a total of n = 18,000",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "requires — = 2250 turns per field spool, or a total of n = 18,000",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2823,
          "line_end": 2823,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0173",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0173",
      "label": "n = 18,000 turns interlinked with <I>0 = 12.5 megalines gives",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "n = 18,000 turns interlinked with <I>0 = 12.5 megalines gives",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2828,
          "line_end": 2828,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0174",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0174",
      "label": "a total number of interlinkages for i1 = 4 amperes of n<&0 =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "a total number of interlinkages for i1 = 4 amperes of n<&0 =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2829,
          "line_end": 2829,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0175",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0175",
      "label": "225 X 109, or 562.5 X 109 interlinkages per unit current, or",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "225 X 109, or 562.5 X 109 interlinkages per unit current, or",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2830,
          "line_end": 2830,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0176",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0176",
      "label": "10 amperes, that is, an inductance of the motor field circuit",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "10 amperes, that is, an inductance of the motor field circuit",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2831,
          "line_end": 2831,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0177",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0177",
      "label": "L = 562.5 henrys.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "L = 562.5 henrys.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2832,
          "line_end": 2832,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0178",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0178",
      "label": "The constants of the circuit thus are e0 = 250 volts; r = 62.5",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "The constants of the circuit thus are e0 = 250 volts; r = 62.5",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2834,
          "line_end": 2834,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0179",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0179",
      "label": "ohms; L = 562.5 henrys, and i0 = 0 = current at time t = 0.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "ohms; L = 562.5 henrys, and i0 = 0 = current at time t = 0.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2835,
          "line_end": 2835,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0180",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0180",
      "label": "' i = 4 (1 _ e-o-m\") (7)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "' i = 4 (1 _ e-o-m\") (7)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2840,
          "line_end": 2840,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0181",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0181",
      "label": "Half excitation of the field is reached after the time t = 6.23",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "Half excitation of the field is reached after the time t = 6.23",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2842,
          "line_end": 2842,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0182",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0182",
      "label": "90 per cent of full excitation, or i = 3.6 amperes, after the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "90 per cent of full excitation, or i = 3.6 amperes, after the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2845,
          "line_end": 2845,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0183",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0183",
      "label": "time t = 20.8 seconds.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "time t = 20.8 seconds.",
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        "source_ref": {
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          "line_start": 2846,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0184",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0184",
      "label": "e.m.f., and the constants of the circuit then are: e0 = 250",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "e.m.f., and the constants of the circuit then are: e0 = 250",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2861,
          "line_end": 2861,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0185",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0185",
      "label": "volts; r = 31.25 ohms; L = 140.6 henrys, and i0 = 0.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "volts; r = 31.25 ohms; L = 140.6 henrys, and i0 = 0.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2862,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0186",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0186",
      "label": "i = 8 (1 - e\" °'22220, (8)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "i = 8 (1 - e\" °'22220, (8)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2866,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0187",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0187",
      "label": "value after t = 3.11 seconds, 0.9 value after t = 10.4 seconds.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "value after t = 3.11 seconds, 0.9 value after t = 10.4 seconds.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2869,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0188",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0188",
      "label": "(7) and (8), provided the armature instantly comes to a stand-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "(7) and (8), provided the armature instantly comes to a stand-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2888,
          "line_end": 2888,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0189",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0189",
      "label": "cussed under 22, the armature comes to rest tl = 40 seconds",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "cussed under 22, the armature comes to rest tl = 40 seconds",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2903,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0190",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0190",
      "label": "magnetic flux of the motor is <&= ^<&0, where 4>0= 12.5 mega-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "magnetic flux of the motor is <&= ^<&0, where 4>0= 12.5 mega-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2922,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0191",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0191",
      "label": "lines is the flux corresponding to full excitation it = 4 amperes.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "lines is the flux corresponding to full excitation it = 4 amperes.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2923,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0192",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0192",
      "label": "and since full speed S and full flux <I>0 generate an e.m.f. e0 =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "and since full speed S and full flux <I>0 generate an e.m.f. e0 =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2934,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0193",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0193",
      "label": "e = ir (l - -J; (10)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "e = ir (l - -J; (10)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2949,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0194",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0194",
      "label": "or for r = 62.5 ohms, and tl = 40 seconds, we have",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "or for r = 62.5 ohms, and tl = 40 seconds, we have",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2951,
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        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0195",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0195",
      "label": "e = 62.5^ (1 - 0.025 t). (11)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "e = 62.5^ (1 - 0.025 t). (11)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2953,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0196",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0196",
      "label": "t = 0, i = iv log cii = 0, c = - ,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "t = 0, i = iv log cii = 0, c = - ,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2970,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0197",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0197",
      "label": "i2 = v~^. (16)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "i2 = v~^. (16)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 2988,
          "line_end": 2988,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0198",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0198",
      "label": "I = 12£ > (17)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "I = 12£ > (17)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3013,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0199",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0199",
      "label": "i = v\"1 '*'*'. (18)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "i = v\"1 '*'*'. (18)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3017,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0200",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0200",
      "label": "i= 4 £-0.001388*'. (19)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "i= 4 £-0.001388*'. (19)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3022,
          "line_end": 3022,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0201",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0201",
      "label": "for t = tl = 40,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "for t = tl = 40,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3024,
          "line_end": 3024,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0202",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0202",
      "label": "i = 0.436; (20)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "i = 0.436; (20)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3026,
          "line_end": 3026,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0203",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0203",
      "label": "i = 4 r °-mi (<-2o). (21)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "i = 4 r °-mi (<-2o). (21)",
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      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "the constants of the machine. At the speed assumed in (12)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3168,
          "line_end": 3168,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0225",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0225",
      "label": "and (13), $0 = 12.5 megalines, e0 = 250 volts, that is,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "and (13), $0 = 12.5 megalines, e0 = 250 volts, that is,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3169,
          "line_end": 3169,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0226",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0226",
      "label": "ec = -^ = 20 volts.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "ec = -^ = 20 volts.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3171,
          "line_end": 3171,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0227",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0227",
      "label": "e = ec<b = 20$;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "e = ec<b = 20$;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3178,
          "line_end": 3178,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0228",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0228",
      "label": "ir = 62.5 i;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "ir = 62.5 i;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3182,
          "line_end": 3182,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0229",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0229",
      "label": "The differential equation of the field circuit therefore is (1)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "The differential equation of the field circuit therefore is (1)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3193,
          "line_end": 3193,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0230",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0230",
      "label": "Since this equation contains the differential quotient of 4>, it",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "Since this equation contains the differential quotient of 4>, it",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3201,
          "line_end": 3201,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0231",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0231",
      "label": "log(<j>ec-r-bec$>)+C. (33)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "log(<j>ec-r-bec$>)+C. (33)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3276,
          "line_end": 3276,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0232",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0232",
      "label": "Assume, at the time, t = 0, 4> = 4>r = 0.5 megalines = residual",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "Assume, at the time, t = 0, 4> = 4>r = 0.5 megalines = residual",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3285,
          "line_end": 3285,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0233",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0233",
      "label": "Substituting the numerical values n = 18,000 turns; (f> =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "Substituting the numerical values n = 18,000 turns; (f> =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3321,
          "line_end": 3321,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0234",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0234",
      "label": "4.69 megalines; b = 0.125; ec = 20 volts; r = 62.5 ohms; 4>r =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "4.69 megalines; b = 0.125; ec = 20 volts; r = 62.5 ohms; 4>r =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3322,
          "line_end": 3322,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0235",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0235",
      "label": "0.5 megaline, and em = 10 volts, we have",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "0.5 megaline, and em = 10 volts, we have",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3323,
          "line_end": 3323,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0236",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0236",
      "label": "t = 26.8 log $ - 17.9 log (31.25 - 2.5 $) + 79.6 (37)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "t = 26.8 log $ - 17.9 log (31.25 - 2.5 $) + 79.6 (37)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3325,
          "line_end": 3325,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0237",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0237",
      "label": "t = 26.8 log e - 17.9 log (31.25 - 0.125 e) - 0.8. (38)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "t = 26.8 log e - 17.9 log (31.25 - 0.125 e) - 0.8. (38)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3329,
          "line_end": 3329,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0238",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0238",
      "label": "0 20 40 60 80 100 120 140 760 ISO 200 Sec.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "0 20 40 60 80 100 120 140 760 ISO 200 Sec.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3344,
          "line_end": 3344,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0239",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0239",
      "label": "Assuming a 4-polar railway motor, designed for e0 = 600 volts",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "Assuming a 4-polar railway motor, designed for e0 = 600 volts",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3411,
          "line_end": 3411,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0240",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0240",
      "label": "and iv= 200 amperes, let, at current i = i1= 200 amperes, the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "and iv= 200 amperes, let, at current i = i1= 200 amperes, the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3412,
          "line_end": 3412,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0241",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0241",
      "label": "magnetic flux per pole of the motor be 4>0 = 10 megalines, and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "magnetic flux per pole of the motor be 4>0 = 10 megalines, and",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3413,
          "line_end": 3413,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0242",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0242",
      "label": "flux. This gives 40 exciting turns per pole, or a total of n =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "flux. This gives 40 exciting turns per pole, or a total of n =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3415,
          "line_end": 3415,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0243",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0243",
      "label": "armature at 200 amperes, this gives a resistance of the motor",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "armature at 200 amperes, this gives a resistance of the motor",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3419,
          "line_end": 3419,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0244",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0244",
      "label": "circuit r0= 0.24 ohms.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "circuit r0= 0.24 ohms.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3420,
          "line_end": 3420,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0245",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0245",
      "label": "To limit the current to the full load value of ^ = 200 amperes,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "To limit the current to the full load value of ^ = 200 amperes,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3422,
          "line_end": 3422,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0246",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0246",
      "label": "with the machine generating eQ= 600 volts, requires a total",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "with the machine generating eQ= 600 volts, requires a total",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3423,
          "line_end": 3423,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0247",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0247",
      "label": "r = 3 ohms,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "r = 3 ohms,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3426,
          "line_end": 3426,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0248",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0248",
      "label": "or an external resistance of 2.76 ohms.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "or an external resistance of 2.76 ohms.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3428,
          "line_end": 3428,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0249",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0249",
      "label": "ec= 60 volts per megaline per field pole.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "ec= 60 volts per megaline per field pole.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3431,
          "line_end": 3431,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0250",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0250",
      "label": "carried up to high values of saturation, at i± = 200 amperes the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "carried up to high values of saturation, at i± = 200 amperes the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3434,
          "line_end": 3434,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0251",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0251",
      "label": "and since for i = 200, <b = 10, we have in (22)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "and since for i = 200, <b = 10, we have in (22)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3442,
          "line_end": 3442,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0252",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0252",
      "label": "<£ = 0.15,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "<£ = 0.15,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3444,
          "line_end": 3444,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0253",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0253",
      "label": "hence, $ = - — ' (43)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "hence, $ = - — ' (43)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3446,
          "line_end": 3446,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0254",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0254",
      "label": "Assuming a residual magnetism of 10 per cent, or <I>r =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "Assuming a residual magnetism of 10 per cent, or <I>r =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3453,
          "line_end": 3453,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0255",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0255",
      "label": "1 megaline, hence em = ec4>r= 60 volts, and substituting in",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "1 megaline, hence em = ec4>r= 60 volts, and substituting in",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3454,
          "line_end": 3454,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0256",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0256",
      "label": "equation (36) gives n = 160 turns; <f> = 0.15 megaline; b =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "equation (36) gives n = 160 turns; <f> = 0.15 megaline; b =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3455,
          "line_end": 3455,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0257",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0257",
      "label": "0.01; ec= 60 volts; r = 3 ohms; 4>r= 1 megaline, and em =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "0.01; ec= 60 volts; r = 3 ohms; 4>r= 1 megaline, and em =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3456,
          "line_end": 3456,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0258",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0258",
      "label": "t = 0.04 log e - 0.01333 log (600 - e) - 0.08. (44)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "t = 0.04 log e - 0.01333 log (600 - e) - 0.08. (44)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3459,
          "line_end": 3459,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0259",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0259",
      "label": "This gives for e = 300, or 0.5 excitation, t = 0.072 seconds;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "This gives for e = 300, or 0.5 excitation, t = 0.072 seconds;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3461,
          "line_end": 3461,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0260",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0260",
      "label": "and for e = 540, or 0.9 excitation, t = 0.117 seconds; that is,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "and for e = 540, or 0.9 excitation, t = 0.117 seconds; that is,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3462,
          "line_end": 3462,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0261",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0261",
      "label": "ec = ^ = 20>",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "ec = ^ = 20>",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3469,
          "line_end": 3469,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0262",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0262",
      "label": "r = 0.24 ohms,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "r = 0.24 ohms,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3477,
          "line_end": 3477,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0263",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0263",
      "label": "t = 0.0274 log e - 0.00073 log (876 - e) - 0.1075, (45)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "t = 0.0274 log e - 0.00073 log (876 - e) - 0.1075, (45)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3481,
          "line_end": 3481,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0264",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0264",
      "label": "e = 300 volts is reached after t = 0.044 seconds.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "e = 300 volts is reached after t = 0.044 seconds.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3484,
          "line_end": 3484,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0265",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0265",
      "label": "Since for e = 300 volts, the current i = = 1250 amperes,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "Since for e = 300 volts, the current i = = 1250 amperes,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3486,
          "line_end": 3486,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0266",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0266",
      "label": "the power is p = ei = 375 kw., that is, a series motor short-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "the power is p = ei = 375 kw., that is, a series motor short-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3488,
          "line_end": 3488,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0267",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0267",
      "label": "Short-circuited upon itself, r = 0.24, this series motor still",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "Short-circuited upon itself, r = 0.24, this series motor still",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3490,
          "line_end": 3490,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0268",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0268",
      "label": "builds up at ec = - = 1.6, and since at full load speed ec= 60,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "builds up at ec = - = 1.6, and since at full load speed ec= 60,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3492,
          "line_end": 3492,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0269",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0269",
      "label": "ec = 1.6 is 2.67 per cent of full load speed, that is, the motor",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "ec = 1.6 is 2.67 per cent of full load speed, that is, the motor",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3496,
          "line_end": 3496,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0270",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0270",
      "label": "• 26. In alternating-current circuits, the inductance L, or, as",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "• 26. In alternating-current circuits, the inductance L, or, as",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3520,
          "line_end": 3520,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0271",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0271",
      "label": "it is usually employed, the reactance x = 2 nfL, where / = fre-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "it is usually employed, the reactance x = 2 nfL, where / = fre-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3521,
          "line_end": 3521,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0272",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0272",
      "label": "At the moment 0 = 0, let the e.m.f. e = E cos (0 — 00) be",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "At the moment 0 = 0, let the e.m.f. e = E cos (0 — 00) be",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3525,
          "line_end": 3525,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0273",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0273",
      "label": "inductive reactance x = 2 xfL; let the time 6 = 2 xft be counted",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "inductive reactance x = 2 xfL; let the time 6 = 2 xft be counted",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3527,
          "line_end": 3527,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0274",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0274",
      "label": "from the moment of closing the circuit, and 00 be the phase of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "from the moment of closing the circuit, and 00 be the phase of",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3528,
          "line_end": 3528,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0275",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0275",
      "label": "or, by substituting 6 = 2 nft, x = 2 nfL, the e.m.f. consumed",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "or, by substituting 6 = 2 nft, x = 2 nfL, the e.m.f. consumed",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3540,
          "line_end": 3540,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0276",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0276",
      "label": "Since e = E cos (0 — 00) = impressed e.m.f.,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "Since e = E cos (0 — 00) = impressed e.m.f.,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3545,
          "line_end": 3545,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0277",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0277",
      "label": "E cos (6 - 00) = ir + x — (1)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "E cos (6 - 00) = ir + x — (1)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3548,
          "line_end": 3548,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0278",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0278",
      "label": "i = 7 cos (6 - d) + A£~a°, (2)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "i = 7 cos (6 - d) + A£~a°, (2)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3553,
          "line_end": 3553,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0279",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0279",
      "label": "where e = basis of natural logarithms = 2.7183.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "where e = basis of natural logarithms = 2.7183.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3555,
          "line_end": 3555,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0280",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0280",
      "label": "E cos (6 - 00) = Ir cos (6 - i) + Ars~a0 - Ix sin (d-d)- Aaxs'\"',",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "E cos (6 - 00) = Ir cos (6 - i) + Ars~a0 - Ix sin (d-d)- Aaxs'\"',",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3559,
          "line_end": 3559,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0281",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0281",
      "label": "(E cos 00 - Ir cos § - Ix sin d) cos 0 + (E sin 00 - Ir sin 8",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "(E cos 00 - Ir cos § - Ix sin d) cos 0 + (E sin 00 - Ir sin 8",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3562,
          "line_end": 3562,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0282",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0282",
      "label": "+ /x cos d) sin 0 - ^e~a\" (ax - r) = 0.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "+ /x cos d) sin 0 - ^e~a\" (ax - r) = 0.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3564,
          "line_end": 3564,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0283",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0283",
      "label": "Since this equation must be fulfilled for any value of 6, if (2)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "Since this equation must be fulfilled for any value of 6, if (2)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3574,
          "line_end": 3574,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0284",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0284",
      "label": "is the integral of (1), the coefficients of cos 6, sin 0, £~a9 must",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "is the integral of (1), the coefficients of cos 6, sin 0, £~a9 must",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3575,
          "line_end": 3575,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0285",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
      "source_title": "Theory and Calculation of Transient Electric Phenomena and Oscillations",
      "year": 1909,
      "record_type": "equation",
      "record_id": "theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0285",
      "label": "E cos 00 — Ir cos d — Ix sin d = 0,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-transient-electric-phenomena-oscillations/",
      "evidence": {
        "original_form": "E cos 00 — Ir cos d — Ix sin d = 0,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
          "line_start": 3580,
          "line_end": 3580,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-transient-electric-phenomena-oscillations::equation::theory-calculation-transient-electric-phenomena-oscillations-eq-candidate-0286",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-transient-electric-phenomena-oscillations",
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      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "record_id": "general-lectures-electrical-engineering-eq-candidate-0009",
      "label": "mils is one-tenth the resistance of a conductor of 100,000",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "mils is one-tenth the resistance of a conductor of 100,000",
        "modern_form": "",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0010",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0010",
      "label": "of a wire No. 7, and therefore one-eighth (the resistance;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "of a wire No. 7, and therefore one-eighth (the resistance;",
        "modern_form": "",
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          "line_start": 752,
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        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0011",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "record_id": "general-lectures-electrical-engineering-eq-candidate-0011",
      "label": "but the wire No. 000 has a reactance of .109 ohms per 1000",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "but the wire No. 000 has a reactance of .109 ohms per 1000",
        "modern_form": "",
        "source_ref": {
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        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0012",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0012",
      "label": "feet, the wire No. 7 has a reactance of .133 oms, or only 1.22",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "feet, the wire No. 7 has a reactance of .133 oms, or only 1.22",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0013",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
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      "label": "times as large. Hence, while in the wire No. 7, the reactance,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "times as large. Hence, while in the wire No. 7, the reactance,",
        "modern_form": "",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0014",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0014",
      "label": "at 60 cycles, is only .266 times the resistance and therefore not",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "at 60 cycles, is only .266 times the resistance and therefore not",
        "modern_form": "",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0015",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "label": "of serious importance, in a wire No. 000 the reactance is 1.76",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "of serious importance, in a wire No. 000 the reactance is 1.76",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0016",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0016",
      "label": "of No. ooo; but the reactance of one conductor No. ooo is .109",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "of No. ooo; but the reactance of one conductor No. ooo is .109",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0017",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
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      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0017",
      "label": "ohms, and so 1.88 times as great as the reactance of two con-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0018",
      "person": "Charles Proteus Steinmetz",
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      "label": "Assuming as an instance a connected load of twenty 16",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "Assuming as an instance a connected load of twenty 16",
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    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0019",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "label": "larger than necessary. At 3% coreloss, this gives a constant",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "larger than necessary. At 3% coreloss, this gives a constant",
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    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0020",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "record_id": "general-lectures-electrical-engineering-eq-candidate-0020",
      "label": "transmission system are used to supply a 2200 single-phase",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0021",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0021",
      "label": "2. Three- WiRS Direct Current or Singi^e-Phase iio-",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "2. Three- WiRS Direct Current or Singi^e-Phase iio-",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0022",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0022",
      "label": "gives 4 X ; = jg or altogether ^ + ^ = jg of the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "gives 4 X ; = jg or altogether ^ + ^ = jg of the",
        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0023",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0023",
      "label": "In a 1 10 volt single-phase system the voltage from line to",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "In a 1 10 volt single-phase system the voltage from line to",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0024",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0024",
      "label": "or glof 4 = 24 » ^^'^ so gives a total copper economy of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "or glof 4 = 24 » ^^'^ so gives a total copper economy of",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 1440,
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        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0025",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0025",
      "label": "8. Three-Wire Single-Phase Lighting with Three-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "8. Three-Wire Single-Phase Lighting with Three-",
        "modern_form": "",
        "source_ref": {
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          "line_start": 1447,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0026",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0026",
      "label": "copper of No. 5, or j of ;j = ^: Cu. = ^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "copper of No. 5, or j of ;j = ^: Cu. = ^",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 1459,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0027",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0027",
      "label": "Fife. 13. Single-Phase Llfehtlnfe and Three-Phnse Power.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "Fife. 13. Single-Phase Llfehtlnfe and Three-Phnse Power.",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 1471,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0028",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0028",
      "label": "LOAD FACTOR AND COST OF POWER 53",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "LOAD FACTOR AND COST OF POWER 53",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 1607,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0029",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0029",
      "label": "For instance, Fig. 14 shows an approximate load curve",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "For instance, Fig. 14 shows an approximate load curve",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 1884,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0030",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
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      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0030",
      "label": "LOAD FACTOR AND COST OF POWER 55",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "LOAD FACTOR AND COST OF POWER 55",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 1888,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0031",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0031",
      "label": "shape shown in Fig. 16: fairly constant from the opening",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "shape shown in Fig. 16: fairly constant from the opening",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 2338,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0032",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0032",
      "label": "LOAD FACTOR AND COST OF POWER 57",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "LOAD FACTOR AND COST OF POWER 57",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 2345,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0033",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0033",
      "label": "LOAD FACTOR AND COST OF POWER 59",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "LOAD FACTOR AND COST OF POWER 59",
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      "label": "D = .46\" ; corona effects begin at the voltage E = 100,000 [)",
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      "record_id": "general-lectures-electrical-engineering-eq-candidate-0053",
      "label": "— = 20 amperes.",
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      "label": "If now in addition to the 10 ohms resistance and 1000",
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      "label": "1000 — 1000 = o ohms, and the impedance is the same as",
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          "source_id": "general-lectures-electrical-engineering",
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          "line_end": 3026,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0059",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0059",
      "label": "capacity reactance times amperes = 2,000,000 volts, and the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "capacity reactance times amperes = 2,000,000 volts, and the",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3029,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0060",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0060",
      "label": "for instance 10% of full load current; that is, full load voltage",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "for instance 10% of full load current; that is, full load voltage",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3038,
          "line_end": 3038,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0061",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0061",
      "label": "With a line reactance of 20%, 20% or ^ of full load",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "With a line reactance of 20%, 20% or ^ of full load",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3043,
          "line_end": 3043,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0062",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0062",
      "label": "reactance; the capacity reactance therefore is about 50 times",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "reactance; the capacity reactance therefore is about 50 times",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3046,
          "line_end": 3046,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0063",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0063",
      "label": "inductive reactance about 50 times greater than the line",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "inductive reactance about 50 times greater than the line",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3049,
          "line_end": 3049,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0064",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0064",
      "label": "capacity reactance also takes about 10% of full load current",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "capacity reactance also takes about 10% of full load current",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3057,
          "line_end": 3057,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0065",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0065",
      "label": "This may occur for instance in transformer connection 2,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "This may occur for instance in transformer connection 2,",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3086,
          "line_end": 3086,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0066",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0066",
      "label": "also in T connection, Fig. 2.2, if for instance the low tension",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "also in T connection, Fig. 2.2, if for instance the low tension",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3100,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0067",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0067",
      "label": "LONG DISTANCE TRANSMISSION 75",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "LONG DISTANCE TRANSMISSION 75",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3105,
          "line_end": 3105,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0068",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0068",
      "label": "connection No. 6; since in this case, when using two trans-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "connection No. 6; since in this case, when using two trans-",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3121,
          "line_end": 3121,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0069",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0069",
      "label": "3rd. The armature reaction of a single-phase machine",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "3rd. The armature reaction of a single-phase machine",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3206,
          "line_end": 3206,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0070",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0070",
      "label": "The resultant armature reaction of a pol3rphase machine",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "The resultant armature reaction of a pol3rphase machine",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3210,
          "line_end": 3210,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0071",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0071",
      "label": "If m == number of phases, the higher harmonics : 2m — i",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "If m == number of phases, the higher harmonics : 2m — i",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3222,
          "line_end": 3222,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0072",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0072",
      "label": "4th. The terminal voltage under load is the resultant of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "4th. The terminal voltage under load is the resultant of",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3225,
          "line_end": 3225,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0073",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0073",
      "label": "third harmonic of e. m. f . of 3 x 20 = 60% ; the e. m. f. being",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "third harmonic of e. m. f . of 3 x 20 = 60% ; the e. m. f. being",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3282,
          "line_end": 3282,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0074",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0074",
      "label": "of a sine wave by 50% and more, thus giving high insulation",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "of a sine wave by 50% and more, thus giving high insulation",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3299,
          "line_end": 3299,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0075",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0075",
      "label": "and their third harmonics are 3 x 120° = 360° apart, that is, in",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "and their third harmonics are 3 x 120° = 360° apart, that is, in",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3305,
          "line_end": 3305,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0076",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0076",
      "label": "circuit is 2 X 80 = 160 miles — conductor and return conductor,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "circuit is 2 X 80 = 160 miles — conductor and return conductor,",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3620,
          "line_end": 3620,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0077",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0077",
      "label": "2 X 160 = 320 miles long, and the duration of the wave is",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "2 X 160 = 320 miles long, and the duration of the wave is",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3622,
          "line_end": 3622,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0078",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0078",
      "label": "2g3 QQQ = ^ seconds; the frequency 587 cycles, and if this",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "2g3 QQQ = ^ seconds; the frequency 587 cycles, and if this",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3624,
          "line_end": 3624,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0079",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0079",
      "label": "as for instance, lOO feet = ^230 ~ 52^ miles wave length,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "as for instance, lOO feet = ^230 ~ 52^ miles wave length,",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3633,
          "line_end": 3633,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0080",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0080",
      "label": "Assuming for instance a 44,ocx) volt transmission line of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "Assuming for instance a 44,ocx) volt transmission line of",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3673,
          "line_end": 3673,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0081",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0081",
      "label": "— ' — = 25,000. If now somewhere in the middle of this",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "— ' — = 25,000. If now somewhere in the middle of this",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3679,
          "line_end": 3679,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0082",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0082",
      "label": "i5ioo + ^ + n^ + Wo = ^ -ond, so giving a",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "i5ioo + ^ + n^ + Wo = ^ -ond, so giving a",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 3728,
          "line_end": 3728,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0083",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
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    {
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    {
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    },
    {
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      }
    },
    {
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "general-lectures-electrical-engineering",
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      "label": "4. Long distance and trunk line railroading.",
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    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0088",
      "person": "Charles Proteus Steinmetz",
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      "status": "candidate",
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    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0089",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "general-lectures-electrical-engineering",
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    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0090",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
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    {
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "general-lectures-electrical-engineering",
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    {
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      "person": "Charles Proteus Steinmetz",
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    {
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "general-lectures-electrical-engineering",
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      "record_id": "general-lectures-electrical-engineering-eq-candidate-0093",
      "label": "- = -;5 -",
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        "original_form": "- = -;5 -",
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    },
    {
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "general-lectures-electrical-engineering",
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      "status": "candidate",
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    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0095",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "record_type": "equation",
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      "label": "tion : armature turns m to field turns n = 2 -4- i ; and at this",
      "status": "candidate",
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      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
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    },
    {
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "label": "No = 2 N, it must be twice ; at double synchronism :",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
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        "source_ref": {
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    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0097",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "label": "No = 2 N, it must be one-half the main field.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "No = 2 N, it must be one-half the main field.",
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    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0098",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
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      "record_id": "general-lectures-electrical-engineering-eq-candidate-0098",
      "label": "At half synchronism, No = 2 ^' ^^^ transformer field of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
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        "original_form": "At half synchronism, No = 2 ^' ^^^ transformer field of",
        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0099",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
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      "label": "the commutating field required Fo = 2 F, and the short cir-",
      "status": "candidate",
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      "site_path": "/sources/general-lectures-electrical-engineering/",
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    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0100",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
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      "record_id": "general-lectures-electrical-engineering-eq-candidate-0100",
      "label": "At double synchronism : No = 2 N, the transformer field",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "At double synchronism : No = 2 N, the transformer field",
        "modern_form": "",
        "source_ref": {
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0101",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0101",
      "label": "is F* = 2 F, while the commutation field should be:",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "is F* = 2 F, while the commutation field should be:",
        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0102",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0102",
      "label": "Fo = 2 ^» ^^^ the transformer field thus is four times larger",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "Fo = 2 ^» ^^^ the transformer field thus is four times larger",
        "modern_form": "",
        "source_ref": {
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    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0103",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0103",
      "label": "Closing switch 2, and leaving i and all others open, the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "Closing switch 2, and leaving i and all others open, the",
        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0104",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0104",
      "label": "Closing switch 3, or 4, 5 . . . and leaving all others",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "Closing switch 3, or 4, 5 . . . and leaving all others",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0105",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0105",
      "label": "containing water is 1.4 + the tr drop in the resistance of the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "containing water is 1.4 + the tr drop in the resistance of the",
        "modern_form": "",
        "source_ref": {
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          "line_start": 9382,
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0106",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0106",
      "label": "2CI + H2O = CIH + ClOH, that is, hydrochloric + hypo-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "2CI + H2O = CIH + ClOH, that is, hydrochloric + hypo-",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 9480,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0107",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0107",
      "label": "6C1 + 3H2O = 5CIH +C108H, that is hydrochloric and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "6C1 + 3H2O = 5CIH +C108H, that is hydrochloric and",
        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0108",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0109",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "general-lectures-electrical-engineering",
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      "record_id": "general-lectures-electrical-engineering-eq-candidate-0109",
      "label": "is, up to 35oo°C, when using carbon.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "is, up to 35oo°C, when using carbon.",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0110",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "general-lectures-electrical-engineering",
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      "label": "CaO + 3C = CaC^ + CO.",
      "status": "candidate",
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      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "CaO + 3C = CaC^ + CO.",
        "modern_form": "",
        "source_ref": {
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          "line_start": 9636,
          "line_end": 9636,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0111",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "record_id": "general-lectures-electrical-engineering-eq-candidate-0111",
      "label": "SiO^ -f 3C = SiC + 2CO.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "SiO^ -f 3C = SiC + 2CO.",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 9650,
          "line_end": 9650,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0112",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "record_id": "general-lectures-electrical-engineering-eq-candidate-0112",
      "label": "SiOa + 20 = Si + 2CO.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "SiOa + 20 = Si + 2CO.",
        "modern_form": "",
        "source_ref": {
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          "line_start": 9664,
          "line_end": 9664,
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        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0113",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "general-lectures-electrical-engineering",
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      "record_id": "general-lectures-electrical-engineering-eq-candidate-0113",
      "label": "SiOa -f 2SiC = 3Si + 2CO.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "SiOa -f 2SiC = 3Si + 2CO.",
        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0114",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "record_id": "general-lectures-electrical-engineering-eq-candidate-0114",
      "label": "T1O2 + 3C = TiC + 2CO.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
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    },
    {
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      "person": "Charles Proteus Steinmetz",
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    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0116",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "label": "life of 500 hours; since obviously any efficiency can be pro-",
      "status": "candidate",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0117",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "record_id": "general-lectures-electrical-engineering-eq-candidate-0117",
      "label": "16 x .79 = 12.6 c. p., and at an efficiency of 3.1 watts per",
      "status": "candidate",
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      "site_path": "/sources/general-lectures-electrical-engineering/",
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        "original_form": "16 x .79 = 12.6 c. p., and at an efficiency of 3.1 watts per",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0118",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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      "label": "potential, for instance on 80 volts — which would correspond",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "potential, for instance on 80 volts — which would correspond",
        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0119",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
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      "label": "the current, and a resistance of 8 ohms inserted in series to the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
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        "original_form": "the current, and a resistance of 8 ohms inserted in series to the",
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        "source_ref": {
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0120",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
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      "record_id": "general-lectures-electrical-engineering-eq-candidate-0120",
      "label": "Fig. 47. The voltage consumed by the arc plus the resistance",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "Fig. 47. The voltage consumed by the arc plus the resistance",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0121",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
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      "label": "Fig. 47, is reached, at which for decreasing current the arc",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
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        "modern_form": "",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0122",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0122",
      "label": "stability curve IV. For instance, at 4 amperes, the arc cannot",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "stability curve IV. For instance, at 4 amperes, the arc cannot",
        "modern_form": "",
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    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0123",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "general-lectures-electrical-engineering",
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      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0123",
      "label": "machine necessarily must be a small unit, since 100 to 150",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "machine necessarily must be a small unit, since 100 to 150",
        "modern_form": "",
        "source_ref": {
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        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0124",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0124",
      "label": "to 80 volts per lamp are used ; in the alternating current titan-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "to 80 volts per lamp are used ; in the alternating current titan-",
        "modern_form": "",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0125",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0125",
      "label": "power of 5 X 10* K. W. Estimating the energy of the discharge,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "power of 5 X 10* K. W. Estimating the energy of the discharge,",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 12171,
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0126",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0126",
      "label": "10V5 X 10* = 2 x 10\"* sec, or two-millionths of a second.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "10V5 X 10* = 2 x 10\"* sec, or two-millionths of a second.",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 12174,
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0127",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0127",
      "label": "discharge of 2 x 10*' seconds, assuming two half- waves as",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "discharge of 2 x 10*' seconds, assuming two half- waves as",
        "modern_form": "",
        "source_ref": {
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          "line_start": 12185,
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0128",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0128",
      "label": "length of a discharge of 500,000 cycles is ^qq'qqq = g miles,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "length of a discharge of 500,000 cycles is ^qq'qqq = g miles,",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0129",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0129",
      "label": "assuming for instance saturated air at 40° C mixing with air",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "assuming for instance saturated air at 40° C mixing with air",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
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        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0130",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0130",
      "label": "Average energy of the discharge: 10,000 K. W. sec., or",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "Average energy of the discharge: 10,000 K. W. sec., or",
        "modern_form": "",
        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 12259,
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0131",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
      "year": 1908,
      "record_type": "equation",
      "record_id": "general-lectures-electrical-engineering-eq-candidate-0131",
      "label": "3. Standing waves, or oscillations or surges, similar to",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/general-lectures-electrical-engineering/",
      "evidence": {
        "original_form": "3. Standing waves, or oscillations or surges, similar to",
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        "source_ref": {
          "source_id": "general-lectures-electrical-engineering",
          "line_start": 12299,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "general-lectures-electrical-engineering::equation::general-lectures-electrical-engineering-eq-candidate-0132",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "general-lectures-electrical-engineering",
      "source_title": "General Lectures on Electrical Engineering",
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    },
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    },
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    },
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    },
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      "source_title": "Theory and Calculation of Electric Apparatus",
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    },
    {
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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    {
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      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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    {
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    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0007",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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    {
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    },
    {
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    },
    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
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      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0011",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-apparatus",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0012",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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          "source_id": "theory-calculation-electric-apparatus",
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    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0013",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "label": "e + * - r'i * n. (3)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0014",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "label": "gives curve B of Fig. 1. As seen, B gives practically constant",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "original_form": "gives curve B of Fig. 1. As seen, B gives practically constant",
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        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0015",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
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      "label": "3. Assuming, now, that the internal resistance, rlT were made",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "source_ref": {
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    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0016",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0016",
      "label": "as low as possible, tx = 0.05, and the rest added as externa]",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "as low as possible, tx = 0.05, and the rest added as externa]",
        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0017",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "resistance of high temperature coefficient: r\" = 0.05, giving the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0018",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0018",
      "label": "= 0.1 (1 + 0.5 ir 10\"4).",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "= 0.1 (1 + 0.5 ir 10\"4).",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0019",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0019",
      "label": "This gives the same resistance as curve A ; r\\ = 0.1, at light-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "This gives the same resistance as curve A ; r\\ = 0.1, at light-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0020",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0020",
      "label": "For comparison, curve .4' has heen plotted with constant",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0021",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0022",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0022",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 1637,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0023",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 1638,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0024",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "per cent. At a temperature coefficient of the resistance of 0.35,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 1639,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0025",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0025",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 1656,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0026",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0026",
      "label": "that is, to 8. Hence, the suaceptance is inverse proportional",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0027",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0027",
      "label": "V = 6- (5)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0028",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
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      "label": "= - J = (tan a - j) (7)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0029",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "label": "Assuming tan a = 0.6, which is a fair value for a closed mag-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0030",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
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      "label": "Y' = bg (0.6 - j),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 1702,
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0031",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0031",
      "label": "6o = 100;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 1728,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0032",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0032",
      "label": "Y0 = 0.02 - 0.2 j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 1729,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0033",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0033",
      "label": "Zo = 0.05 + 0.15 j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0034",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0034",
      "label": "Zi = 0.05 + 0. 15 j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0035",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0035",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0036",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0036",
      "label": "Z\\ = (0.05 + 0.11 s) + 0.335 js. (9)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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      }
    },
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0038",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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    },
    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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          "line_start": 1973,
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
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      "record_type": "equation",
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      "label": "&' = 6- (10)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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          "line_start": 1987,
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    },
    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
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      "label": "Y'-g-j-- (11)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "source_ref": {
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    },
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
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      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0042",
      "label": "= Ai + — ^-i-A + 3 /«»i + -™-nr Y (12)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "= Ai + — ^-i-A + 3 /«»i + -™-nr Y (12)",
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    },
    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0043",
      "label": "g = b. (13)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "source_ref": {
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    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0044",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0044",
      "label": "*'• = (ri + 6TiT>)) + * (*' + 1 ( r+ *>) • <14)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
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    {
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      "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0046",
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      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0047",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "label": "Z0 = 0.033 + 0.1 j;",
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      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0048",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0048",
      "label": "Zx = 0.033 + 0.1 j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "source_ref": {
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0049",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0049",
      "label": "tically constant at 82 per cent, from standstill to fairly close of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0050",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "label": "8. The standard induction motor is essentially a constant-speed",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "8. The standard induction motor is essentially a constant-speed",
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        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0051",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0051",
      "label": "by armature resistance is, however, that, the motor ceases to D6",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "by armature resistance is, however, that, the motor ceases to D6",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0052",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0052",
      "label": "(6) By the use of a resistance of very high negative tempera-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "(6) By the use of a resistance of very high negative tempera-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0053",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
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      "label": "10. Speed control by resistance in the armature or secondary",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "10. Speed control by resistance in the armature or secondary",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2433,
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0054",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "e„ = 110; >'„ = 0.01 - 0.\\j;ZB =0.1 + 0.3 j; Z, = 0.1 +0.3J",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0055",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0055",
      "label": "torque curve of the motor with short-circuited secondary, r = 0,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "torque curve of the motor with short-circuited secondary, r = 0,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0056",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0056",
      "label": "Fio. 6. — Variation of resistance of pyro-cleotric conductor, with current.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Fio. 6. — Variation of resistance of pyro-cleotric conductor, with current.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0057",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0057",
      "label": "PYRO-ELECTRIC RESISTANCE IN SECONDARY OF INDUCTION MOTOR. «o-1!0",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "PYRO-ELECTRIC RESISTANCE IN SECONDARY OF INDUCTION MOTOR. «o-1!0",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0058",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0058",
      "label": "Y. = .01-.1; . Zc-A+.3j : Z, = .1 + .3j : r-a,4.6",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Y. = .01-.1; . Zc-A+.3j : Z, = .1 + .3j : r-a,4.6",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2554,
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0059",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0059",
      "label": "jni'iea-cil secondary resistance: ■> where ri = 0.1 in the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "jni'iea-cil secondary resistance: ■> where ri = 0.1 in the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2613,
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0060",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
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      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0060",
      "label": "As seen from Fig. 7, very close constant-speed regulation is",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "As seen from Fig. 7, very close constant-speed regulation is",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0061",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
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      "label": "11. The reactance of a condenser is inverse proportional to",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "11. The reactance of a condenser is inverse proportional to",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0062",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0062",
      "label": "Z0 = r0 + jxo = primary self-inductive impedance;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "original_form": "Z0 = r0 + jxo = primary self-inductive impedance;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0063",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0063",
      "label": "k = 2*yc <»",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "k = 2*yc <»",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0064",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0064",
      "label": "Z{ = n+j («xx - *) (2)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Z{ = n+j («xx - *) (2)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0065",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0065",
      "label": "/l= \"w ' kvti=~r~^=~^ (3)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "/l= \"w ' kvti=~r~^=~^ (3)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0066",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0066",
      "label": "= E (di - ja2),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "= E (di - ja2),",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0067",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0067",
      "label": "C2 = \" ■",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "C2 = \" ■",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2698,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0068",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0068",
      "label": "m = ri2 + (sxi — j",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2702,
          "line_end": 2702,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0069",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0069",
      "label": "same as that of the standard motor.1",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "same as that of the standard motor.1",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2709,
          "line_end": 2709,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0070",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0070",
      "label": "c2 = jr — j- (6)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "c2 = jr — j- (6)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2739,
          "line_end": 2739,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0071",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0071",
      "label": "T = e2ax",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "T = e2ax",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2745,
          "line_end": 2745,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0072",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0072",
      "label": "T = srie02",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "T = srie02",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2749,
          "line_end": 2749,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0073",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0073",
      "label": "8X1 + 8X0 = 0,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "8X1 + 8X0 = 0,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2772,
          "line_end": 2772,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0074",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0074",
      "label": "* - J— I— (8)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "* - J— I— (8)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2777,
          "line_end": 2777,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0075",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0075",
      "label": "and so = 1, that is, the motor gives maximum torque near",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "and so = 1, that is, the motor gives maximum torque near",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2782,
          "line_end": 2782,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0076",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0076",
      "label": "k = xq + xi. (9)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "k = xq + xi. (9)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2785,
          "line_end": 2785,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0077",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0077",
      "label": "13. As instances are shown, in Fig. 8, the speed-torque curves",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "13. As instances are shown, in Fig. 8, the speed-torque curves",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2787,
          "line_end": 2787,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0078",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0078",
      "label": "r0 = 0.01 - 0.1./,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "r0 = 0.01 - 0.1./,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2790,
          "line_end": 2790,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0079",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0079",
      "label": "Z0 = Zi = 0.1 + 0.3 j,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Z0 = Zi = 0.1 + 0.3 j,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2792,
          "line_end": 2792,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0080",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0080",
      "label": "it = 0, 0.012, 0.048, 0.096, 0.192, 0.3, 0.6— denoted respectively",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "it = 0, 0.012, 0.048, 0.096, 0.192, 0.3, 0.6— denoted respectively",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2803,
          "line_end": 2803,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0081",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0081",
      "label": "Y0=.01-.1i: Z0-.l+-3j; Z.-.1+.3)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Y0=.01-.1i: Z0-.l+-3j; Z.-.1+.3)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2827,
          "line_end": 2827,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0082",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0082",
      "label": "16. Considering now the change of motor constants when",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "16. Considering now the change of motor constants when",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 2968,
          "line_end": 2968,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0083",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0083",
      "label": "Za = r0 + jx0, Za = r„ + j'xo.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Za = r0 + jx0, Za = r„ + j'xo.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3035,
          "line_end": 3035,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0084",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0084",
      "label": "17. As numerical instance may be considered a 60-cycle 100-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "17. As numerical instance may be considered a 60-cycle 100-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3184,
          "line_end": 3184,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0085",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0085",
      "label": "Four poles, 1800 rev.:Z0 = n + jxQ = 0.1 + 0.3 j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Four poles, 1800 rev.:Z0 = n + jxQ = 0.1 + 0.3 j;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3413,
          "line_end": 3413,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0086",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0086",
      "label": "Zx = ri+jxt -0.1 + 0.3j; Y, = g - jb = 0.01 - 0.05 j.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Zx = ri+jxt -0.1 + 0.3j; Y, = g - jb = 0.01 - 0.05 j.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3415,
          "line_end": 3415,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0087",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0087",
      "label": "Six poles, 1200 rev. :Z0 = U + jx0 = 0.15 + 0.45 j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Six poles, 1200 rev. :Z0 = U + jx0 = 0.15 + 0.45 j;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3416,
          "line_end": 3416,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0088",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0088",
      "label": "Zx -= n + jxi = 0.15 + 0.45 j; Y0 = g -jb = 0.0067 - 0.0667 j.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Zx -= n + jxi = 0.15 + 0.45 j; Y0 = g -jb = 0.0067 - 0.0667 j.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3417,
          "line_end": 3417,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0089",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0089",
      "label": "Eight poles, 900 rev. : Z„ = r0 + jx„ = 0.2 + 0.6 j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Eight poles, 900 rev. : Z„ = r0 + jx„ = 0.2 + 0.6 j;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3418,
          "line_end": 3418,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0090",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0090",
      "label": "Zi = r, + jx, = 0.2 + 0.6 j; Y0 = g - jb = 0.005 - 0.1 j.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Zi = r, + jx, = 0.2 + 0.6 j; Y0 = g - jb = 0.005 - 0.1 j.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3420,
          "line_end": 3420,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0091",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0091",
      "label": "18. In an induction motor, a high-resistance low-reactance",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "18. In an induction motor, a high-resistance low-reactance",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3547,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0092",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0092",
      "label": "19. In the calculation of the standard induction motor, it is",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "19. In the calculation of the standard induction motor, it is",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3620,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0093",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0093",
      "label": "$2 = true induced vpltage in inner squirrel cage, reduced",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "$2 = true induced vpltage in inner squirrel cage, reduced",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3664,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0094",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0094",
      "label": "Zi = r2 + jx2 = self-inductive impedance at full frequency,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Zi = r2 + jx2 = self-inductive impedance at full frequency,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3668,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0095",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0095",
      "label": "Z0 = r0 + jx0 = primary self -inductive impedance, and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3684,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0096",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0096",
      "label": "*8ee \"Electric Circuits\", Chapter XII. Reactance of Induction",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "*8ee \"Electric Circuits\", Chapter XII. Reactance of Induction",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3687,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0097",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0097",
      "label": "E, = Et + jx, h- (4)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "E, = Et + jx, h- (4)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3721,
          "line_end": 3721,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0098",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0098",
      "label": "E - E,+jx,Ut + h)- (5)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "E - E,+jx,Ut + h)- (5)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3723,
          "line_end": 3723,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0099",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0099",
      "label": "E0 = E + Z„f„. (6)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "E0 = E + Z„f„. (6)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3725,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0100",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0100",
      "label": "reactance voltage of this squirrel cage, in (5), thus is jxt (ft + /»).",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "reactance voltage of this squirrel cage, in (5), thus is jxt (ft + /»).",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3729,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0101",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0101",
      "label": "Oi = 1 !",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Oi = 1 !",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3764,
          "line_end": 3764,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0102",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0102",
      "label": "as = * (- H h — 1 I",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "as = * (- H h — 1 I",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3768,
          "line_end": 3768,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0103",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0103",
      "label": "-R(*i+jW, (11)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "-R(*i+jW, (11)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3775,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0104",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0104",
      "label": "6i = <*\\9 + Oa6'v",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "6i = <*\\9 + Oa6'v",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3779,
          "line_end": 3779,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0105",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0105",
      "label": "'•-*£ + £(1+i?)+*-+*} (13)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "'•-*£ + £(1+i?)+*-+*} (13)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3783,
          "line_end": 3783,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0106",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0106",
      "label": "ci = - H 1- 6i",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "ci = - H 1- 6i",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3793,
          "line_end": 3793,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0107",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0107",
      "label": "Eo = Ei{ai + jat + (r0 + jx0) (c, + jc,) }",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Eo = Ei{ai + jat + (r0 + jx0) (c, + jc,) }",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3804,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0108",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0108",
      "label": "= & (* + jdi), (15)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "= & (* + jdi), (15)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3805,
          "line_end": 3805,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0109",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0109",
      "label": "C = -=*=• (17)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "C = -=*=• (17)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3817,
          "line_end": 3817,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0110",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0110",
      "label": "to = e,\\/ci* + c,*. (18)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "to = e,\\/ci* + c,*. (18)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3819,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0111",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0111",
      "label": "D = D2 + Dh (21)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "D = D2 + Dh (21)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3842,
          "line_end": 3842,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0112",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0112",
      "label": "P = (1 - s) Z>. (22)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "P = (1 - s) Z>. (22)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3846,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0113",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0113",
      "label": "= e22(cidi + c2d2), (23)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "= e22(cidi + c2d2), (23)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3855,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0114",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0114",
      "label": "Co = 110 volts;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Co = 110 volts;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 3874,
          "line_end": 3874,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0115",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0115",
      "label": "Zo = 0.1 + 0.3j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
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        "modern_form": "",
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0116",
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      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0117",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "label": "Z2 = 0.08 + 0.4 j ;",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0118",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "label": "}ro = 0.01 - 0.1 j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "source_ref": {
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      }
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    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0119",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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      }
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    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0120",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "label": "s = 0, 0.01, 0.02, 0.05, 0.1, 0.15, 0.2, 0.3,",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0121",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0121",
      "label": "a,\\ = 1 >",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "a,\\ = 1 >",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0122",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0122",
      "label": "b\\ = aig + a26,",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "source_ref": {
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0123",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0123",
      "label": "c2 = h btt",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "c2 = h btt",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4015,
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0124",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0124",
      "label": "d\\ = a\\ + r0Ci — XoCj,",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "d\\ = a\\ + r0Ci — XoCj,",
        "modern_form": "",
        "source_ref": {
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    },
    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0125",
      "label": "da = a2 + roC2 + XqCi,",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "da = a2 + roC2 + XqCi,",
        "modern_form": "",
        "source_ref": {
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      }
    },
    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0126",
      "label": "to = e* Vci2 + cf,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "to = e* Vci2 + cf,",
        "modern_form": "",
        "source_ref": {
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0127",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0127",
      "label": "Z> = Z>! + Z>2,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Z> = Z>! + Z>2,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4034,
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0128",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0128",
      "label": "P = (1 - s) D,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "P = (1 - s) D,",
        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0129",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0129",
      "label": "Po = e*1 (cidx + c2d2),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Po = e*1 (cidx + c2d2),",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4038,
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0130",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0130",
      "label": "/o = U + I* + U + Fo#. (4)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "/o = U + I* + U + Fo#. (4)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4085,
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0131",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0131",
      "label": "& = #» + J*./., (5)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "& = #» + J*./., (5)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4089,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0132",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0132",
      "label": "tf i = #* + jx, (It + /•), (6)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4091,
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0133",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0133",
      "label": "# = #i + J'x, (/, + /, + /,), (7)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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          "line_start": 4093,
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0134",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "label": "#o - # + Zo/o, (8)",
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      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0135",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0135",
      "label": "where x3 is the reactance due to the flux leakage between the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "where x3 is the reactance due to the flux leakage between the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4097,
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0136",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0136",
      "label": "= #3 (ai + ja2)i",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "= #3 (ai + ja2)i",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4123,
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0137",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0137",
      "label": "d\\ = 1 — - —",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "d\\ = 1 — - —",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4131,
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0138",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0138",
      "label": "E = Es\\ai+ jai + r:' («. + jo*) + 3 ^ (l + 3 ?) + 3 ?",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "E = Es\\ai+ jai + r:' («. + jo*) + 3 ^ (l + 3 ?) + 3 ?",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0139",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0139",
      "label": "= ^3(6i+j62), (14)",
      "status": "candidate",
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    {
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      }
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    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0141",
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    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0142",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "label": "C\\ = feigr + 626,",
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      }
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    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0143",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0143",
      "label": "c2 = 62g — 616,",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-apparatus",
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      "confidence": "source-located-ocr-candidate",
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      "source_id": "theory-calculation-electric-apparatus",
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      "label": "= #3(/, +#2),",
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      "source_id": "theory-calculation-electric-apparatus",
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      "source_id": "theory-calculation-electric-apparatus",
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      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "label": "= ^3 (j/i + jg2),",
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      "evidence": {
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      "source_id": "theory-calculation-electric-apparatus",
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
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      "label": "(Jz = b2 + /2",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "modern_form": "",
        "source_ref": {
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      "record_type": "equation",
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      "label": "U = ez Vrfi8 + _dS, (25)",
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      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "source_ref": {
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      "source_id": "theory-calculation-electric-apparatus",
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      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0155",
      "label": "e* =e3yJl+ ***?> (26)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "source_ref": {
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      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
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      "label": "e, = e3 Va,2 + a**- (27)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0157",
      "label": "D, = *?-; (28)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "source_ref": {
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      "collection": "steinmetz",
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      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0158",
      "label": "z>2 = *ea2; (29)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "source_ref": {
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      "collection": "steinmetz",
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      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0159",
      "label": "0, = s- '*; (30)",
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      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "source_ref": {
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    {
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      "collection": "steinmetz",
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      "record_type": "equation",
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      "label": "D = D, + D2 + D3, (31)",
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      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0161",
      "label": "P = (1 - s) Z>, (32)",
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      "site_path": "/sources/theory-calculation-electric-apparatus/",
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    {
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      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0162",
      "label": "= <?32 (dtfi + rf2</2), (33)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "source_ref": {
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    {
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0163",
      "label": "Q = «oio. (34)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Q = «oio. (34)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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          "line_end": 4319,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0164",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0164",
      "label": "e0 = 110 volts;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "e0 = 110 volts;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4334,
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0165",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0165",
      "label": "Z0 = 0.1 +0.3j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Z0 = 0.1 +0.3j;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4335,
          "line_end": 4335,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0166",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0166",
      "label": "Z, = 0.8 + 0.1 j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Z, = 0.8 + 0.1 j;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4336,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0167",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0167",
      "label": "Z2 = 0.2 + 0.3 j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Z2 = 0.2 + 0.3 j;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4337,
          "line_end": 4337,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0168",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0168",
      "label": "Z3 = 0.05 + 0.8 j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Z3 = 0.05 + 0.8 j;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4338,
          "line_end": 4338,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0169",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0169",
      "label": "I'o = 0.01 - 0.1 j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "I'o = 0.01 - 0.1 j;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4339,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0170",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0170",
      "label": "the speed curves are shown from « = 0 to « = 2, and on them,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "the speed curves are shown from « = 0 to « = 2, and on them,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4501,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0171",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0171",
      "label": "s = 0, 0.01, 0.02, 0.05, 0.1, 0.15, 0.20, 0.30,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "s = 0, 0.01, 0.02, 0.05, 0.1, 0.15, 0.20, 0.30,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4508,
          "line_end": 4508,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0172",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0172",
      "label": "6l = Ol -",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "6l = Ol -",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4526,
          "line_end": 4526,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0173",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0173",
      "label": "/1 = rodi — Xodj,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "/1 = rodi — Xodj,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4563,
          "line_end": 4563,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0174",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0174",
      "label": "/2 = rodt + Xodi,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "/2 = rodt + Xodi,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4565,
          "line_end": 4565,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0175",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0175",
      "label": "9\\ = bi + /1,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "9\\ = bi + /1,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4566,
          "line_end": 4566,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0176",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0176",
      "label": "to = ez y/dx2 + dsS",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "to = ez y/dx2 + dsS",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4582,
          "line_end": 4582,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0177",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0177",
      "label": "** = \"2 (x + v1)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "** = \"2 (x + v1)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4584,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0178",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0178",
      "label": "ei* = ez2 (ax2 + a.2),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "ei* = ez2 (ax2 + a.2),",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4586,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0179",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0179",
      "label": "D = !>! + D2 + /)3,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "D = !>! + D2 + /)3,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4603,
          "line_end": 4603,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0180",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0180",
      "label": "P = (1 - s) D,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "P = (1 - s) D,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4604,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0181",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0181",
      "label": "Pa = ez2 (rfififi + d202),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Pa = ez2 (rfififi + d202),",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4605,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0182",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0182",
      "label": "Q = <?o* 0,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Q = <?o* 0,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4606,
          "line_end": 4606,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0183",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0183",
      "label": "* = u. 5, Thai is, the second motor reaches its synchronism at",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "* = u. 5, Thai is, the second motor reaches its synchronism at",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4638,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0184",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0184",
      "label": "In reality, at half synchronism, s = 0.5, there is a slight torque",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "In reality, at half synchronism, s = 0.5, there is a slight torque",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4649,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0185",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0185",
      "label": "Fig. 18, with low-resistance armature, and in Fig. 19, with high",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Fig. 18, with low-resistance armature, and in Fig. 19, with high",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4745,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0186",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0186",
      "label": "; a = — = ratio of poles, (1)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "; a = — = ratio of poles, (1)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 4763,
          "line_end": 4763,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0187",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0187",
      "label": "Se = £ (2)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Se = £ (2)",
        "modern_form": "",
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      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0212",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
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      "label": "e = 77-^Y Y (24)",
      "status": "candidate",
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      "site_path": "/sources/theory-calculation-electric-apparatus/",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0213",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0213",
      "label": "to - e VP~+'f22 = e0 Jfll *-h]\\",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0214",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0214",
      "label": "= e2 (fig 1 - /202)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0215",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0215",
      "label": "7\\ = /#„ /o/'",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0216",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0216",
      "label": "= C2 (C1/1 - C2/2),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0217",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0217",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "modern_form": "",
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    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0218",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0218",
      "label": "= Z', = 0.1 + 0.3.).",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "modern_form": "",
        "source_ref": {
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    {
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      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "site_path": "/sources/theory-calculation-electric-apparatus/",
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    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0220",
      "label": "Zo = r0+ jxa,",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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    {
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      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "site_path": "/sources/theory-calculation-electric-apparatus/",
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    {
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      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0222",
      "label": "1\" = 2 >\\",
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      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "modern_form": "",
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    },
    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0223",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0224",
      "label": "Y\" = 3 7,",
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      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "modern_form": "",
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    },
    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0226",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0226",
      "label": "0\" = y\"z\"",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0227",
      "label": "small — as for instance a 100-hp. 60-cycle motor for 90 revolu-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "small — as for instance a 100-hp. 60-cycle motor for 90 revolu-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0228",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0228",
      "label": "Impressed voltage: ea = 500.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Impressed voltage: ea = 500.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 5592,
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0229",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0229",
      "label": "Primary exciting admittance: Ya = 0.02 — 0.6 j.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Primary exciting admittance: Ya = 0.02 — 0.6 j.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0230",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0230",
      "label": "Primary self-inductive impedance: Zu = 0.1 + 0.3j.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Primary self-inductive impedance: Zu = 0.1 + 0.3j.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0231",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0231",
      "label": "Secondary self-inductive impedance: Zi = 0.1 + 0.3 j.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Secondary self-inductive impedance: Zi = 0.1 + 0.3 j.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0232",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0232",
      "label": "Y0 = 0.01 -O.lj,",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Y0 = 0.01 -O.lj,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0233",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0233",
      "label": "1. Passing a direct current through the rotor for excitation.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "1. Passing a direct current through the rotor for excitation.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0234",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0234",
      "label": "effective frequency,/ — (1 — s) / = sf, that is, the frequency of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "effective frequency,/ — (1 — s) / = sf, that is, the frequency of",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0235",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0235",
      "label": "Z,' = n+j («i- 7)'",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Z,' = n+j («i- 7)'",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 5863,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0236",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0236",
      "label": "For s — 0, Zj* = o° , that is, the motor has no power at or near",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "For s — 0, Zj* = o° , that is, the motor has no power at or near",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 5870,
          "line_end": 5870,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0237",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0237",
      "label": "8Xi = 0,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "8Xi = 0,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 5874,
          "line_end": 5874,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0238",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0238",
      "label": "and by varying the capacity reactance, x2, various values of reson-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "and by varying the capacity reactance, x2, various values of reson-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 5898,
          "line_end": 5898,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0239",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0239",
      "label": "l'\"» = 8 — jk = primiiry exciting admittance",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "l'\"» = 8 — jk = primiiry exciting admittance",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 5940,
          "line_end": 5940,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0240",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0240",
      "label": "Z0 = r« -f jxn = primary self-inductive impe-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Z0 = r« -f jxn = primary self-inductive impe-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 5943,
          "line_end": 5943,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0241",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0241",
      "label": "r0 is the armature resistance and xa the armature self-inductive",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "r0 is the armature resistance and xa the armature self-inductive",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 5962,
          "line_end": 5962,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0242",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0242",
      "label": "6, the exciting snsoeptance, is the magnetizing armature",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "6, the exciting snsoeptance, is the magnetizing armature",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 5982,
          "line_end": 5982,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0243",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0243",
      "label": "Exciting admittance: 70 = g — jb,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Exciting admittance: 70 = g — jb,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6004,
          "line_end": 6004,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0244",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0244",
      "label": "Primary self-inductive impedance: Z0 ■= r0 + jx<>,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Primary self-inductive impedance: Z0 ■= r0 + jx<>,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6006,
          "line_end": 6006,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0245",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0245",
      "label": "Armature resistance: r0,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Armature resistance: r0,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6012,
          "line_end": 6012,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0246",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0246",
      "label": "Synchronous impedance: x = Xo + r* (1)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Synchronous impedance: x = Xo + r* (1)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6014,
          "line_end": 6014,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0247",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0247",
      "label": "P = 2 t»r„ (2)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "P = 2 t»r„ (2)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6018,
          "line_end": 6018,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0248",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0248",
      "label": "P - e*g. (3)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "P - e*g. (3)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6024,
          "line_end": 6024,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0249",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0249",
      "label": "E0 = impressed voltage,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "E0 = impressed voltage,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6037,
          "line_end": 6037,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0250",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0250",
      "label": "/ = i\\ — 3H = current,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "/ = i\\ — 3H = current,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6043,
          "line_end": 6043,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0251",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0251",
      "label": "= # + (n'i + xi2) + j (xt\\ - n2), (4)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "= # + (n'i + xi2) + j (xt\\ - n2), (4)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6047,
          "line_end": 6047,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0252",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0252",
      "label": "= #o - (n'i + xz2) ~ j (xii - ri2), (5)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "= #o - (n'i + xz2) ~ j (xii - ri2), (5)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6051,
          "line_end": 6051,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0253",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0253",
      "label": "g = e = real axis in equation (4),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "g = e = real axis in equation (4),",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6055,
          "line_end": 6055,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0254",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0254",
      "label": "$o = e0 = real axis in equation (5),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "$o = e0 = real axis in equation (5),",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6056,
          "line_end": 6056,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0255",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0255",
      "label": "eo2 = (e + ri\\ + xU)2 + (xii — ri2)2 [e = real axis], (6)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "eo2 = (e + ri\\ + xU)2 + (xii — ri2)2 [e = real axis], (6)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6057,
          "line_end": 6057,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0256",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0256",
      "label": "02 = (^o — rii + xi2)2 + (xii — ri>2)2 [e0 = real axis]. (7)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "02 = (^o — rii + xi2)2 + (xii — ri>2)2 [e0 = real axis]. (7)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6058,
          "line_end": 6058,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0257",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0257",
      "label": "i2 = 0 in equation (7).",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "i2 = 0 in equation (7).",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6073,
          "line_end": 6073,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0258",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0258",
      "label": "e2 = (6o ~ rtf + xW (8)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "e2 = (6o ~ rtf + xW (8)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6076,
          "line_end": 6076,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0259",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0259",
      "label": "at no-load, for i\\ = 0, this gives: e = eo, as was to be expected-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0260",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-apparatus",
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      "label": "ii = ei± 4i ~ ^ (11)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0261",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
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      "label": "t, = |- (12)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6116,
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0262",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0262",
      "label": "For: ij = 0, or at no-load, it is, by (11):",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "For: ij = 0, or at no-load, it is, by (11):",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6118,
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0263",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0263",
      "label": "V = «' - je\", (13)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0264",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0264",
      "label": "and again choosing J5?0 = eo, as the real axis, (5) becomes:",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "and again choosing J5?0 = eo, as the real axis, (5) becomes:",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6134,
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0265",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0265",
      "label": "ef — je\" = («o — rii — xi2) - j (xii - n2), (14)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "ef — je\" = («o — rii — xi2) - j (xii - n2), (14)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0266",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0266",
      "label": "= e-oiu (15)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "= e-oiu (15)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0267",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0267",
      "label": "\" -Pi = U (e0 — ri\\ — xi2) + it (xit — n2), (16)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "\" -Pi = U (e0 — ri\\ — xi2) + it (xit — n2), (16)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6153,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0268",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0268",
      "label": "Pi = cot'i - r (tV + it2)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Pi = cot'i - r (tV + it2)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0269",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0269",
      "label": "= Po - n2, (17)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "= Po - n2, (17)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6159,
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0270",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0270",
      "label": "to - eb, (18)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "to - eb, (18)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0271",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0271",
      "label": "hence, the i2r loss in the field; of resistance, ri.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "hence, the i2r loss in the field; of resistance, ri.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6170,
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0272",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0272",
      "label": "iVn - «Wri. (19)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "iVn - «Wri. (19)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0273",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0273",
      "label": "P' = eoV (20)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "P' = eoV (20)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6177,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0274",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0274",
      "label": "= Po— i2r — t'oV] — e2g",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "= Po— i2r — t'oV] — e2g",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6191,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0275",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0275",
      "label": "= e0ii — i2r — 6*ft*ri — e2g, (21)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "= e0ii — i2r — 6*ft*ri — e2g, (21)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6192,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0276",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0276",
      "label": "44. Considering, as instance, a typical good induction motor,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "44. Considering, as instance, a typical good induction motor,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6197,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0277",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0277",
      "label": "Co = 500 volts;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Co = 500 volts;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6200,
          "line_end": 6200,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0278",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0278",
      "label": "7o = 0.01 -O.lj;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "7o = 0.01 -O.lj;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6201,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0279",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0279",
      "label": "Z0 = 0.1 + 0.3j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Z0 = 0.1 + 0.3j;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6202,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0280",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0280",
      "label": "Zi = 0.lJ+j0.3j.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Zi = 0.lJ+j0.3j.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6203,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0281",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0281",
      "label": "Z - r+jx = 0.1 + 10.3 j.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Z - r+jx = 0.1 + 10.3 j.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6214,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0282",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0282",
      "label": "Po = e0ii = 500 i\\.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Po = e0ii = 500 i\\.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
          "line_start": 6230,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0283",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0283",
      "label": "in armature resistance: 0.1 ii2;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
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    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0284",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "label": "in field resistance: 0.001 e2;",
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      "confidence": "source-located-ocr-candidate",
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      "evidence": {
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        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0285",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
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      "label": "P = 500 ii - 2.5 - 0.1 ii2 - 0.001 e2",
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      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0286",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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        "modern_form": "",
        "source_ref": {
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0287",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
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      "label": "e0= 500 . Z0 -.1 + -3J.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "e0= 500 . Z0 -.1 + -3J.",
        "modern_form": "",
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0288",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0288",
      "label": "Fig. 24: u = 48.5 - V9410 - u*;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
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        "modern_form": "",
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0289",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0289",
      "label": "Fig. 25: i, = 48.5 - V58,800 - t,».",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Fig. 25: i, = 48.5 - V58,800 - t,».",
        "modern_form": "",
        "source_ref": {
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0290",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0290",
      "label": "Q = e0i;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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          "source_id": "theory-calculation-electric-apparatus",
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    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0291",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
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      "label": "As seen from Firs. 24 and 25, the constants of the motor as",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0292",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
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      "label": "Yo = .01-.1i Zi-.l + .3;",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0293",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
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      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0293",
      "label": "(I =..14-10.3;)",
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      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0294",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "label": "-Load curves at constant excitation 5 e, of standard",
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      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0295",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
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      "label": "45. As further instance, consider the conversion into a syn-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0296",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
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      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0296",
      "label": "e0 = 500;",
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      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
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    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0297",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0297",
      "label": "y„ = 0.02 - 0.6 j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0298",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0298",
      "label": "Z0 = 0.1 +0.3j;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0299",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0299",
      "label": "Z = 0.1 + 1,97 j.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "Z = 0.1 + 1,97 j.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::equation::theory-calculation-electric-apparatus-eq-candidate-0300",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-apparatus-eq-candidate-0300",
      "label": "e = 1.5 en",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "original_form": "e = 1.5 en",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::figure::theory-calculation-electric-apparatus-fig-022",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "figure",
      "record_id": "theory-calculation-electric-apparatus-fig-022",
      "label": "nes, the ) parent Fig. 22. INDUCTION MOTOR 67",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "figure_number": 22,
        "caption": "nes, the ) parent Fig. 22. INDUCTION MOTOR 67",
        "linked_concepts": [],
        "source_ref": {
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::figure::theory-calculation-electric-apparatus-fig-058",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "figure",
      "record_id": "theory-calculation-electric-apparatus-fig-058",
      "label": "which represents the current distribution per phase through the air gap of the induction machine, shown by the diagrams F of Fig. 58. The corresponding flux distribution, $, in Fig. 58, expressed by a trignometric series:",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "figure_number": 58,
        "caption": "which represents the current distribution per phase through the air gap of the induction machine, shown by the diagrams F of Fig. 58. The corresponding flux distribution, $, in Fig. 58, expressed by a trignometric series:",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "theory-calculation-electric-apparatus",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-apparatus::figure::theory-calculation-electric-apparatus-fig-068",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "figure",
      "record_id": "theory-calculation-electric-apparatus-fig-068",
      "label": "In Fig. 68 the drawn tinea correspond to non-inductive bftd The regulation for 45° lagging load is shown by dotted lines in Fig. 68. e'o shows the quadrature component of the monocyclic voltage. e ii, at non-inductive load. That is, the component of e«, which is",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "figure_number": 68,
        "caption": "In Fig. 68 the drawn tinea correspond to non-inductive bftd The regulation for 45° lagging load is shown by dotted lines in Fig. 68. e'o shows the quadrature component of the monocyclic voltage. e ii, at non-inductive load. That is, the component of e«, which is",
        "linked_concepts": [],
        "source_ref": {
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    },
    {
      "id": "theory-calculation-electric-apparatus::figure::theory-calculation-electric-apparatus-fig-128",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "figure",
      "record_id": "theory-calculation-electric-apparatus-fig-128",
      "label": "circuitcd turn, S, as shown in Fig. 128, This gives a periodic variation of the effective reluctance, from ft minimum, shown in Fig. 128, to a maximum in the position shown in dotted lines in Fig. 128. This latter structure is the so-called \"synchronous-induction motor,\" Chapter VIII, which here appears as a special form of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "figure_number": 128,
        "caption": "circuitcd turn, S, as shown in Fig. 128, This gives a periodic variation of the effective reluctance, from ft minimum, shown in Fig. 128, to a maximum in the position shown in dotted lines in Fig. 128. This latter structure is the so-called \"synchronous-induction motor,\" Chapter VIII, which here appears as a special form of",
        "linked_concepts": [],
        "source_ref": {
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          "verification": "needs-verification"
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    },
    {
      "id": "theory-calculation-electric-apparatus::figure::theory-calculation-electric-apparatus-fig-151",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "figure",
      "record_id": "theory-calculation-electric-apparatus-fig-151",
      "label": "P&D Fig. 151. 180. As example are shown, in Fig. 151, with the speed as abscissae, the curves of a single-phase induction motor, having",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-apparatus/",
      "evidence": {
        "figure_number": 151,
        "caption": "P&D Fig. 151. 180. As example are shown, in Fig. 151, with the speed as abscissae, the curves of a single-phase induction motor, having",
        "linked_concepts": [],
        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-electric-apparatus::figure::theory-calculation-electric-apparatus-fig-153",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-apparatus",
      "source_title": "Theory and Calculation of Electric Apparatus",
      "year": 1917,
      "record_type": "figure",
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      "label": "are connected in series to the stator circuits, entirely different Fig. 153. characteristics result, and the motor no more tends to synchronize nor approaches a definite speed at no-load, as a shunt motor, but",
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      "label": "is less than 90\" liehind the primary current, more than 90° ahead of the secondary current, the more so the higher is the inductivity of the secondary circuit, as shown by the transformer diagram, Fig. 166. Herefrom it follows that:",
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      "person": "Charles Proteus Steinmetz",
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      "label": "„ = 5 = 'llAjH (14)",
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      "person": "Charles Proteus Steinmetz",
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      "person": "Charles Proteus Steinmetz",
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      "person": "Charles Proteus Steinmetz",
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      "label": "This energy, for y = 0, or the mass at rest, becomes:",
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      "site_path": "/sources/four-lectures-relativity-space/",
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      "person": "Charles Proteus Steinmetz",
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      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0049",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "four-lectures-relativity-space",
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      "person": "Charles Proteus Steinmetz",
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        "original_form": "The kinetic energy of 1 kg. weight of matter, Eq = mc^,",
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      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0051",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
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    {
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
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      "label": "F = HP (1)",
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    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0053",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
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    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0054",
      "person": "Charles Proteus Steinmetz",
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      "label": "F = gN, (3)",
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      "site_path": "/sources/four-lectures-relativity-space/",
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    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0055",
      "person": "Charles Proteus Steinmetz",
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    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0056",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
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      "label": "W = Mvy2, (5)",
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      "site_path": "/sources/four-lectures-relativity-space/",
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      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0057",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "four-lectures-relativity-space",
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    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0058",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
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    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0059",
      "person": "Charles Proteus Steinmetz",
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        "original_form": "Let (in Fig. 11) C be a railway car standing still on a",
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    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0060",
      "person": "Charles Proteus Steinmetz",
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      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0061",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
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      "person": "Charles Proteus Steinmetz",
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        "original_form": "component of the force of gravity, due to the grade p = 10",
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    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0063",
      "person": "Charles Proteus Steinmetz",
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      "label": "per cent, and the acceleration thus is a = 0.1^ = 2.2 miles",
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        "original_form": "per cent, and the acceleration thus is a = 0.1^ = 2.2 miles",
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      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0064",
      "person": "Charles Proteus Steinmetz",
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      "label": "a = 2.2 miles per hour per second, as shown in Fig. 14. If",
      "status": "candidate",
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      "evidence": {
        "original_form": "a = 2.2 miles per hour per second, as shown in Fig. 14. If",
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      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0065",
      "person": "Charles Proteus Steinmetz",
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      "label": "as it did in Fig. 13 on a 10 per cent up grade at constant",
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      "person": "Charles Proteus Steinmetz",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "R = 1026 cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 3479,
          "line_end": 3479,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0092",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0092",
      "label": "= 60 X 1020 miles",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "= 60 X 1020 miles",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 3481,
          "line_end": 3481,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0093",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0093",
      "label": "= 100,000,000 light-years.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "= 100,000,000 light-years.",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 3482,
          "line_end": 3482,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0094",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0094",
      "label": "= 400,000,000 light-years,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "= 400,000,000 light-years,",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 3485,
          "line_end": 3485,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0095",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0095",
      "label": "V = 2w^R'^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "V = 2w^R'^",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 3487,
          "line_end": 3487,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0096",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0096",
      "label": "= 4 X 10^3 cubic miles.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "= 4 X 10^3 cubic miles.",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
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          "line_end": 3489,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0097",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0097",
      "label": "The expression 4 X 10*^^ does not look so formidable,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "The expression 4 X 10*^^ does not look so formidable,",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 3495,
          "line_end": 3495,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0098",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0098",
      "label": "cents. How long would it take to count 4 X 10^^ cents",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "cents. How long would it take to count 4 X 10^^ cents",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0099",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0099",
      "label": "4 X 10^^ cents, would not be so large as an acorn is compared",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "4 X 10^^ cents, would not be so large as an acorn is compared",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0100",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0100",
      "label": "Thus it is impossible to get a conception of 4 X 10'^^; to",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "Thus it is impossible to get a conception of 4 X 10'^^; to",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0101",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0101",
      "label": "1 If the density of the body is p = 1, and this body fills the entire universe,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "1 If the density of the body is p = 1, and this body fills the entire universe,",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0102",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0102",
      "label": "R^ = 1.08 X 10\" cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "R^ = 1.08 X 10\" cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0103",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0103",
      "label": "R = S& X 10>2 cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "R = S& X 10>2 cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 3578,
          "line_end": 3578,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0104",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0104",
      "label": "= 225,000,000 miles.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "= 225,000,000 miles.",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 3579,
          "line_end": 3579,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0105",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0105",
      "label": "conditions: C = ird, > 7r(iand<7rd.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "conditions: C = ird, > 7r(iand<7rd.",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 3774,
          "line_end": 3774,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0106",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0106",
      "label": "analogy with two-dimensional spaces, or 2-spaces. We can",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "analogy with two-dimensional spaces, or 2-spaces. We can",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 4176,
          "line_end": 4176,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0107",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0107",
      "label": "the same characteristic constant as the elliptic 2-space, the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "the same characteristic constant as the elliptic 2-space, the",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 4387,
          "line_end": 4387,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0108",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0108",
      "label": "1 - C/27rr (1)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "1 - C/27rr (1)",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 4439,
          "line_end": 4439,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0109",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0109",
      "label": "diameter, the quantity (1) is not constant, but depends on",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "diameter, the quantity (1) is not constant, but depends on",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 4445,
          "line_end": 4445,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0110",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0110",
      "label": "/vi = 1/R, (3)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "/vi = 1/R, (3)",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 4501,
          "line_end": 4501,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0111",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0111",
      "label": "A% = I/R1R2. (4)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "A% = I/R1R2. (4)",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 4526,
          "line_end": 4526,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0112",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0112",
      "label": "It can be shown that the characteristic constant (2) of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "It can be shown that the characteristic constant (2) of",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 4528,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0113",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0113",
      "label": "is the characteristic constant of the 2-space or the curvature",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "is the characteristic constant of the 2-space or the curvature",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 4534,
          "line_end": 4534,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0114",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0114",
      "label": "R = VR1R2 = -^ (6)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "R = VR1R2 = -^ (6)",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 4549,
          "line_end": 4549,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0115",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
      "year": 1923,
      "record_type": "equation",
      "record_id": "four-lectures-relativity-space-eq-candidate-0115",
      "label": "I = 27rR (7)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/four-lectures-relativity-space/",
      "evidence": {
        "original_form": "I = 27rR (7)",
        "modern_form": "",
        "source_ref": {
          "source_id": "four-lectures-relativity-space",
          "line_start": 4554,
          "line_end": 4554,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "four-lectures-relativity-space::equation::four-lectures-relativity-space-eq-candidate-0116",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "four-lectures-relativity-space",
      "source_title": "Four Lectures on Relativity and Space",
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    },
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "record_type": "glossary",
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      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-sync-emfs-0001",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
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      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-resultant-voltage-0002",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-interchange-current-0003",
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      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-impedance-angle-0004",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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    },
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
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    },
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
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      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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    },
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "confidence": "source-located-ocr-candidate",
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    {
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      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
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      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0011",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0012",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "status": "pdf-text-extracted-candidate",
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      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
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        "modern_form": "",
        "source_ref": {
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0013",
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      "collection": "steinmetz",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "label": "x = reactance",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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          "line_start": 2250,
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      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0014",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "label": "0))+^- cos a",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
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          "line_start": 2303,
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0015",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "record_type": "equation",
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      "label": "jr- cos (2co",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
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        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 2304,
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0016",
      "person": "Charles Proteus Steinmetz",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "label": "co =co oe",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
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        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0017",
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      "label": "= maximum value",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "= maximum value",
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0018",
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      "label": "the phase angle, where a = attenuation of the beat or oscillation, and",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "the phase angle, where a = attenuation of the beat or oscillation, and",
        "modern_form": "",
        "source_ref": {
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0019",
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      "collection": "steinmetz",
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      "label": "pf= frequency of the beat, or the periodic variation of the phase",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "pf= frequency of the beat, or the periodic variation of the phase",
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        "source_ref": {
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0020",
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      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "record_type": "equation",
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      "label": "co is not constant, but by (5) a function of <, addi-",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
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      "evidence": {
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      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0109",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "label": "x 2 = 2xi+x, or",
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      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
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          "source_id": "commonwealth-edison-generating-system-trouble",
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        }
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0110",
      "person": "Charles Proteus Steinmetz",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "label": "e = nominal induced E. M. F. of alternator or group of alternators.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "e = nominal induced E. M. F. of alternator or group of alternators.",
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        }
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0111",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "record_type": "equation",
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      "label": "Xii = true",
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        }
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0112",
      "person": "Charles Proteus Steinmetz",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "evidence": {
        "original_form": "xn= external reactance of alternator or group of alternators, thus.",
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0113",
      "person": "Charles Proteus Steinmetz",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "label": "Xi = xn+Xi2 = total self inductive reactance of alternators or group",
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      "evidence": {
        "original_form": "Xi = xn+Xi2 = total self inductive reactance of alternators or group",
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    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0114",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0115",
      "person": "Charles Proteus Steinmetz",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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    {
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      "person": "Charles Proteus Steinmetz",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0118",
      "person": "Charles Proteus Steinmetz",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0119",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0120",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0121",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0122",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0123",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0124",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0125",
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      "label": "pf= frequency of oscillation.",
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0126",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "label": "s = slip of frequency from mean, thus :",
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      "evidence": {
        "original_form": "s = slip of frequency from mean, thus :",
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    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0127",
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0128",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "label": "sf= frequency of slip from synchronism;",
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      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "sf= frequency of slip from synchronism;",
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        }
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0129",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "label": "2sf= frequency of slip of alternators from each other.",
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      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "2sf= frequency of slip of alternators from each other.",
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0130",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0152",
      "label": "2 x 1.34 2 =1.52.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "2 x 1.34 2 =1.52.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4028,
          "line_end": 4028,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0153",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0153",
      "label": "e = 7900V.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "e = 7900V.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4029,
          "line_end": 4029,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0154",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0154",
      "label": "x 2 = 4.95; Xl =.325+.168 = .493; M = 78xl0 6",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "x 2 = 4.95; Xl =.325+.168 = .493; M = 78xl0 6",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4030,
          "line_end": 4030,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0155",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0155",
      "label": "Vl+ ,855 2 x 1.25 2 = 1.46:",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "Vl+ ,855 2 x 1.25 2 = 1.46:",
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        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4033,
          "line_end": 4033,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0156",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0156",
      "label": "e = 7600 V.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "e = 7600 V.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4034,
          "line_end": 4034,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0157",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0157",
      "label": "x 2 = 2.99:",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "x 2 = 2.99:",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4035,
          "line_end": 4035,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0158",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0158",
      "label": "Xl = .214+.168 = .382:",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "Xl = .214+.168 = .382:",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4036,
          "line_end": 4036,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0159",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0159",
      "label": "M = 87xl0 6",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "M = 87xl0 6",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4037,
          "line_end": 4037,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0160",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0160",
      "label": "x = 1.75",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "x = 1.75",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4040,
          "line_end": 4040,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0161",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0161",
      "label": "r = .312.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "r = .312.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4044,
          "line_end": 4044,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0162",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0162",
      "label": "e = 7250 V.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "e = 7250 V.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4065,
          "line_end": 4065,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0163",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0163",
      "label": ".263 e = 1910 V.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": ".263 e = 1910 V.",
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        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4068,
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          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0164",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0164",
      "label": "Et = .77E =1470 V.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "Et = .77E =1470 V.",
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        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4070,
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        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0165",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0165",
      "label": "EtV3 = 2550V.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "EtV3 = 2550V.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4071,
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          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0166",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0166",
      "label": "io = 6400 A.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "io = 6400 A.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4073,
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        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0167",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
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      "label": "p = 6150KW.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "p = 6150KW.",
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        }
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0168",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
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      "label": "p = 770KW.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "p = 770KW.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
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        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0169",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0169",
      "label": "so =.77%;",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "so =.77%;",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4081,
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          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0170",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0170",
      "label": "1 = .70%; So+So^l.47%",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "1 = .70%; So+So^l.47%",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4083,
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        }
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0171",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0171",
      "label": "pulsating power transfer of 3p = 18,450 KW would have shown on",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "pulsating power transfer of 3p = 18,450 KW would have shown on",
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        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
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      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0172",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0172",
      "label": "change current between the stations, rising to 6400 amperes, would",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "change current between the stations, rising to 6400 amperes, would",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4097,
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        }
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0173",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0173",
      "label": "x, = 3.97; 2x! = .875 = z; M! = 78xl0 6",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "x, = 3.97; 2x! = .875 = z; M! = 78xl0 6",
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        "source_ref": {
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0174",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0174",
      "label": "; M2 = 87xl0 6",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "; M2 = 87xl0 6",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4118,
          "line_end": 4118,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0175",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0175",
      "label": "e = 7750 V.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "e = 7750 V.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4120,
          "line_end": 4120,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0176",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0176",
      "label": "E =. 181 e = 1400 V.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "E =. 181 e = 1400 V.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4121,
          "line_end": 4121,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0177",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0177",
      "label": "io = 3200 A.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "io = 3200 A.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4122,
          "line_end": 4122,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0178",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0178",
      "label": "p = 2230KW.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "p = 2230KW.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4123,
          "line_end": 4123,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0179",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0179",
      "label": "So =.68%",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "So =.68%",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4124,
          "line_end": 4124,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0180",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0180",
      "label": "x 2 = 3.20:",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "x 2 = 3.20:",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4157,
          "line_end": 4157,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0181",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0181",
      "label": "2Xl =.709:",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "2Xl =.709:",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4158,
          "line_end": 4158,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0182",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0182",
      "label": "r = .312:",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "r = .312:",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4160,
          "line_end": 4160,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0183",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0183",
      "label": "z = .84: 1^ = 78 xlO 6",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "z = .84: 1^ = 78 xlO 6",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4161,
          "line_end": 4161,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0184",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0184",
      "label": "M 2 = 200xl0 6",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "M 2 = 200xl0 6",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4163,
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          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0185",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0185",
      "label": "e =7330 V.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "e =7330 V.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4165,
          "line_end": 4165,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0186",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0186",
      "label": "E =.208 e = 1520 V.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "E =.208 e = 1520 V.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4166,
          "line_end": 4166,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0187",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0187",
      "label": "Et = .69 Eo = 1050 V.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "Et = .69 Eo = 1050 V.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4167,
          "line_end": 4167,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0188",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0188",
      "label": "Et V3 = 1820 V.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "Et V3 = 1820 V.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4168,
          "line_end": 4168,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0189",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0189",
      "label": "io = 3600 A.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "io = 3600 A.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4169,
          "line_end": 4169,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0190",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0190",
      "label": "p = 2750 KW.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "p = 2750 KW.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4170,
          "line_end": 4170,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0191",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0191",
      "label": "1 = .47%",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "1 = .47%",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4173,
          "line_end": 4173,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0192",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0192",
      "label": "80+80* = 1.22%.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "80+80* = 1.22%.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4174,
          "line_end": 4174,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0193",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0193",
      "label": "of the tie cables of '=",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "of the tie cables of '=",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4181,
          "line_end": 4181,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0194",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0194",
      "label": "= 600 KW,",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "= 600 KW,",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4182,
          "line_end": 4182,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0195",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0195",
      "label": "power reaching a maximum of 3p = 8250 KW.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "power reaching a maximum of 3p = 8250 KW.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4185,
          "line_end": 4185,
          "verification": "pdf-text-extracted-needs-scan-verification"
        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0196",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0196",
      "label": "x 2 = 5.76:",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "x 2 = 5.76:",
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        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
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      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0197",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0197",
      "label": "2x! = 1.726 = z: M = 50xl0 6",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "2x! = 1.726 = z: M = 50xl0 6",
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        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
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        }
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0198",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0198",
      "label": "e = 6770 V.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "e = 6770 V.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
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        }
      }
    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0199",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0199",
      "label": "E =.23 63 = 1560 V.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
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        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
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        }
      }
    },
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      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0200",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0200",
      "label": "Eo V3~= 2700V.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "Eo V3~= 2700V.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4198,
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        }
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    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0201",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0201",
      "label": "io=1820 A.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "io=1820 A.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
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        }
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0202",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0202",
      "label": "p=1410KW.",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "p=1410KW.",
        "modern_form": "",
        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
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          "verification": "pdf-text-extracted-needs-scan-verification"
        }
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0203",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0203",
      "label": "2s =1.34%",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "2s =1.34%",
        "modern_form": "",
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          "source_id": "commonwealth-edison-generating-system-trouble",
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        }
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    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0204",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
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      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0204",
      "label": "x 2 = 5.35: 2x!=1.356: x = .074:",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "x 2 = 5.35: 2x!=1.356: x = .074:",
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        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
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        }
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    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0205",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0205",
      "label": "r = .312:",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "r = .312:",
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          "source_id": "commonwealth-edison-generating-system-trouble",
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        }
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0206",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0206",
      "label": "z = 1.46: M^SOxlO",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "z = 1.46: M^SOxlO",
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        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
          "line_start": 4218,
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        }
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0207",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0207",
      "label": "M 2 = 78xl0 6",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
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        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
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        }
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0208",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0208",
      "label": "e = 7330 V.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
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        }
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0209",
      "person": "Charles Proteus Steinmetz",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0209",
      "label": "E =.215 e = 1570V.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
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      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0210",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0210",
      "label": "Et = 61 Eo = 950 V.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "Et = 61 Eo = 950 V.",
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        "source_ref": {
          "source_id": "commonwealth-edison-generating-system-trouble",
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        }
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    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0211",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "label": "Et = V3 = 1640 V.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
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      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0212",
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "record_type": "equation",
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      "label": "io = 2150 A.",
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      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
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      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "label": "p = 1690KW.",
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      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
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      "label": "s =.73%.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
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        }
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0215",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0215",
      "label": "1 = .59%",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "1 = .59%",
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        }
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    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0216",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
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      "label": "to an average of E =1910",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "to an average of E =1910",
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0217",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "commonwealth-edison-generating-system-trouble",
      "source_title": "Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co.",
      "year": 1919,
      "record_type": "equation",
      "record_id": "commonwealth-edison-generating-system-trouble-eq-candidate-0217",
      "label": "phase displacement between two machines of 2co = 90 degrees, and",
      "status": "pdf-text-extracted-candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/commonwealth-edison-generating-system-trouble/",
      "evidence": {
        "original_form": "phase displacement between two machines of 2co = 90 degrees, and",
        "modern_form": "",
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    },
    {
      "id": "commonwealth-edison-generating-system-trouble::equation::commonwealth-edison-generating-system-trouble-eq-candidate-0218",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "commonwealth-edison-generating-system-trouble",
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1897",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "fty = 30 turns.",
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena-1897",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "Uf, = 300 turns.",
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    },
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1897",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "(Fi = 2250 ampere-turns.",
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      "confidence": "source-located-ocr-candidate",
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      "evidence": {
        "original_form": "(Fi = 2250 ampere-turns.",
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      }
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1897",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "$f = 100 ampere- turns.",
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1897",
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      "label": "Er = 10 volts.",
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1897",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "£^ = 60 volts.",
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    },
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      "source_id": "theory-calculation-alternating-current-phenomena-1897",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "Ei = 1000 volts.",
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      "source_id": "theory-calculation-alternating-current-phenomena-1897",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1897,
      "record_type": "equation",
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      "label": "$Fo = V^H^i' + 2 IFSFi sin Wi ,",
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        "original_form": "$Fo = V^H^i' + 2 IFSFi sin Wi ,",
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      "label": "29. If /= / +ji' is a sine wave of alternating current,",
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      "evidence": {
        "original_form": "29. If /= / +ji' is a sine wave of alternating current,",
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1897::equation::theory-calculation-alternating-current-phenomena-1897-eq-candidate-0096",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena-1897",
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      "label": "If L is the inductance, and j: = 2 tt NL the reactance,",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "original_form": "If L is the inductance, and j: = 2 tt NL the reactance,",
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1897::equation::theory-calculation-alternating-current-phenomena-1897-eq-candidate-0097",
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      "source_id": "theory-calculation-alternating-current-phenomena-1897",
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      "label": "and reactance, and lags 90° behind the current; it is,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "original_form": "and reactance, and lags 90° behind the current; it is,",
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      "label": "E, = 1000 1/ 1 + ( -I- ]' plotted as Curve II. ;",
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      "source_id": "theory-calculation-alternating-current-phenomena-1897",
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      "label": "ii Fig. 33. In the same manner, if two branches, E^E^^ and Ei^E^f are loaded, and the third, E^E^, is unloaded, and",
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      "evidence": {
        "figure_number": 33,
        "caption": "ii Fig. 33. In the same manner, if two branches, E^E^^ and Ei^E^f are loaded, and the third, E^E^, is unloaded, and",
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      "id": "theory-calculation-alternating-current-phenomena-1897::figure::theory-calculation-alternating-current-phenomena-1897-fig-035",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1897",
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      "year": 1897,
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      "record_id": "theory-calculation-alternating-current-phenomena-1897-fig-035",
      "label": "It is obvious now, since the potential of every point of Fig. 35. the circuit is represented by a point in the topographic",
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      "confidence": "source-located-ocr-candidate",
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      "evidence": {
        "figure_number": 35,
        "caption": "It is obvious now, since the potential of every point of Fig. 35. the circuit is represented by a point in the topographic",
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    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1897",
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      "year": 1897,
      "record_type": "figure",
      "record_id": "theory-calculation-alternating-current-phenomena-1897-fig-038",
      "label": "m. fig. 38. and the current is,",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 38,
        "caption": "m. fig. 38. and the current is,",
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      "id": "theory-calculation-alternating-current-phenomena-1897::figure::theory-calculation-alternating-current-phenomena-1897-fig-043",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1897",
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      "label": "resofiafice. Fig. 43. Since a synchronous motor in the condition of efficient working acts as a condensance, we get the remarkable result",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 43,
        "caption": "resofiafice. Fig. 43. Since a synchronous motor in the condition of efficient working acts as a condensance, we get the remarkable result",
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    {
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      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1897",
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      "year": 1897,
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      "label": "3— Fig. 48. Thus we have : —",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 48,
        "caption": "3— Fig. 48. Thus we have : —",
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      "year": 1897,
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      "record_id": "theory-calculation-alternating-current-phenomena-1897-fig-060",
      "label": "n\\f. 40. Fig. 60. E.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 60,
        "caption": "n\\f. 40. Fig. 60. E.",
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      "source_id": "theory-calculation-alternating-current-phenomena-1897",
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      "label": "E^y with increasing load. Fig. 55. Let —",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 55,
        "caption": "E^y with increasing load. Fig. 55. Let —",
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1897",
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      "label": "iron, to give the same loss of energy through eddy currents. Fig. 81. 02. Demagnetizing^ or screening effect of eddy currents.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 81,
        "caption": "iron, to give the same loss of energy through eddy currents. Fig. 81. 02. Demagnetizing^ or screening effect of eddy currents.",
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1897",
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      "record_id": "theory-calculation-alternating-current-phenomena-1897-fig-110",
      "label": "also. Thus, we have, in this case, even on open circuit, no Fig. 110. rotation through a constant magnetic field, but rotation through a pulsating field, which makes the E.M.F. wave",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 110,
        "caption": "also. Thus, we have, in this case, even on open circuit, no Fig. 110. rotation through a constant magnetic field, but rotation through a pulsating field, which makes the E.M.F. wave",
        "linked_concepts": [],
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      "id": "theory-calculation-alternating-current-phenomena-1897::figure::theory-calculation-alternating-current-phenomena-1897-fig-112",
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      "record_id": "theory-calculation-alternating-current-phenomena-1897-fig-112",
      "label": "its maximum while the armature coil still partly faces the Fig. 112. preceding-field pole, as shown in diagram Fig. 112, — it tends",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 112,
        "caption": "its maximum while the armature coil still partly faces the Fig. 112. preceding-field pole, as shown in diagram Fig. 112, — it tends",
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1897",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1897,
      "record_type": "figure",
      "record_id": "theory-calculation-alternating-current-phenomena-1897-fig-122",
      "label": "eral, in one of these diagrams shown in Fig. 122 in drawn Fig. 122. lines, current and E.M.F. are in the same direction, repre- senting mechanical work done by the machine as motor.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 122,
        "caption": "eral, in one of these diagrams shown in Fig. 122 in drawn Fig. 122. lines, current and E.M.F. are in the same direction, repre- senting mechanical work done by the machine as motor.",
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1897",
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      "year": 1897,
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      "record_id": "theory-calculation-alternating-current-phenomena-1897-fig-124",
      "label": "tor diagram in dotted line. Fig. 124. As seen, for small values of E^ the potential drops in the alternator and in the line. For the value of E^ = Eq",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 124,
        "caption": "tor diagram in dotted line. Fig. 124. As seen, for small values of E^ the potential drops in the alternator and in the line. For the value of E^ = Eq",
        "linked_concepts": [],
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena-1897",
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      "year": 1897,
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      "label": "\\ X Fig. 125. 180. A. — Constant impressed E.M.F, E^y constant current",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 125,
        "caption": "\\ X Fig. 125. 180. A. — Constant impressed E.M.F, E^y constant current",
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      "source_id": "theory-calculation-alternating-current-phenomena-1897",
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      "label": "In the first case, Ey^ = E^ (Fig. 127), we see that at Fig. 128. very small curren^, that is very small OE, the current /",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 128,
        "caption": "In the first case, Ey^ = E^ (Fig. 127), we see that at Fig. 128. very small curren^, that is very small OE, the current /",
        "linked_concepts": [],
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena-1897",
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      "year": 1897,
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      "record_id": "theory-calculation-alternating-current-phenomena-1897-fig-129",
      "label": "the current can never become zero like in the first case^ Fig. 129. El = E^y but has a minimum value corresponding to the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 129,
        "caption": "the current can never become zero like in the first case^ Fig. 129. El = E^y but has a minimum value corresponding to the",
        "linked_concepts": [],
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    {
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      "person": "Charles Proteus Steinmetz",
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      "record_id": "theory-calculation-alternating-current-phenomena-1897-fig-130",
      "label": ":^ Fig. 130. El = Eq at Ei^y and then increases beyond Eq, The cur-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 130,
        "caption": ":^ Fig. 130. El = Eq at Ei^y and then increases beyond Eq, The cur-",
        "linked_concepts": [],
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1897::figure::theory-calculation-alternating-current-phenomena-1897-fig-131",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1897",
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      "year": 1897,
      "record_type": "figure",
      "record_id": "theory-calculation-alternating-current-phenomena-1897-fig-131",
      "label": "in Chapter IX. Fig. 131. 183. D. E^ =^ constant ; P ^ constant.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 131,
        "caption": "in Chapter IX. Fig. 131. 183. D. E^ =^ constant ; P ^ constant.",
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      "record_id": "theory-calculation-alternating-current-phenomena-1897-fig-132",
      "label": "8/lti.7 Fig. 132. can be transmitted by the same current / with two different induced RM.Fs. E^ of the motor; one, OEi = EEq small,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 132,
        "caption": "8/lti.7 Fig. 132. can be transmitted by the same current / with two different induced RM.Fs. E^ of the motor; one, OEi = EEq small,",
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    {
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      "year": 1897,
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      "record_id": "theory-calculation-alternating-current-phenomena-1897-fig-133",
      "label": "ox Fig. 133. The counter E.M.F. of the motor, Ei, is OEi, equal and parallel EE^y but not shown in the diagrams, to avoid",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 133,
        "caption": "ox Fig. 133. The counter E.M.F. of the motor, Ei, is OEi, equal and parallel EE^y but not shown in the diagrams, to avoid",
        "linked_concepts": [],
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          "source_id": "theory-calculation-alternating-current-phenomena-1897",
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    {
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      "source_id": "theory-calculation-alternating-current-phenomena-1897",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1897,
      "record_type": "figure",
      "record_id": "theory-calculation-alternating-current-phenomena-1897-fig-136",
      "label": "«-^iC- — Fig. 136. Fig. 137.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1897/",
      "evidence": {
        "figure_number": 136,
        "caption": "«-^iC- — Fig. 136. Fig. 137.",
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      "label": "or, x-^ = .08 ohms, giving a lag of ^ = 3.6°. We have",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "or, x-^ = .08 ohms, giving a lag of ^ = 3.6°. We have",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
          "line_start": 2340,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0105",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0105",
      "label": "n^ = 30 turns.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "n^ = 30 turns.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
          "line_start": 2343,
          "line_end": 2343,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0106",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0106",
      "label": "n0 = 300 turns.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "n0 = 300 turns.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
          "line_start": 2345,
          "line_end": 2345,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0107",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0107",
      "label": "CFi = 2250 ampere-turns.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "CFi = 2250 ampere-turns.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
          "line_start": 2347,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0108",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0108",
      "label": "y = 100 ampere-turns.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "y = 100 ampere-turns.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
          "line_start": 2349,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0109",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0109",
      "label": "Er = 10 volts.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "Er = 10 volts.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
          "line_start": 2351,
          "line_end": 2351,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0110",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0110",
      "label": "JSX = 60 volts.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "JSX = 60 volts.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
          "line_start": 2353,
          "line_end": 2353,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0111",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0111",
      "label": "E{ = 1000 volts.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "E{ = 1000 volts.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0112",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0112",
      "label": "allelogram as flat as OF1FF0^ and from the combination of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "allelogram as flat as OF1FF0^ and from the combination of",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0113",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0113",
      "label": "ffo = Vfr2 + S^2 + 20^ sin Wi,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "ffo = Vfr2 + S^2 + 20^ sin Wi,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0114",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0114",
      "label": "25. We have seen that the alternating sine wave is",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "25. We have seen that the alternating sine wave is",
        "modern_form": "",
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0115",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0115",
      "label": "/ and <3, we can represent it by its rectangular coordinates,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "/ and <3, we can represent it by its rectangular coordinates,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0116",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0116",
      "label": "sine wave, /' (Fig. 23), their resultant sine wave, I0, has the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "sine wave, /' (Fig. 23), their resultant sine wave, I0, has the",
        "modern_form": "",
        "source_ref": {
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    },
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      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0117",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0117",
      "label": "rectangular components a0 — (a -f- a!}, and b0 = (b -f- b'}.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "rectangular components a0 — (a -f- a!}, and b0 = (b -f- b'}.",
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        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0118",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0118",
      "label": "/ = V^ + //2,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "/ = V^ + //2,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0119",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0119",
      "label": "and of phase, tan <3 = b / a.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "and of phase, tan <3 = b / a.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0120",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0120",
      "label": "by — 1 weans reversing' the wave, or rotating it through 180°,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "by — 1 weans reversing' the wave, or rotating it through 180°,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0121",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0121",
      "label": "y2 = - i,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "y2 = - i,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0122",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0122",
      "label": "/(*+/*) =ja — 1>;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "/(*+/*) =ja — 1>;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0123",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0123",
      "label": "since y'2 = — 1, j = V— 1 ;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "since y'2 = — 1, j = V— 1 ;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0124",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0124",
      "label": "the system of ordinary numbers, this definition of/ = V— 1",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "the system of ordinary numbers, this definition of/ = V— 1",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0125",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0125",
      "label": "28. In the polar diagram of time, the sine wave is",
      "status": "candidate",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "28. In the polar diagram of time, the sine wave is",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0126",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
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      "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "person": "Charles Proteus Steinmetz",
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      "person": "Charles Proteus Steinmetz",
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "vectors 07^ = 072 = Ofs = I, lagging behind the E.M.Fs.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
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        "original_form": "vectors 07^ = 072 = Ofs = I, lagging behind the E.M.Fs.",
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      }
    },
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0149",
      "label": "pedance Z0 = x0 -jx0.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "pedance Z0 = x0 -jx0.",
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        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0150",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "actance #! is represented by E^Ej' = Ixv 90° ahead of cur-",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
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        "original_form": "actance #! is represented by E^Ej' = Ixv 90° ahead of cur-",
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        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0151",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0151",
      "label": "E'\"E° = Ixoy and 90° ahead of ~OTV and thus as triangle of",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "E'\"E° = Ixoy and 90° ahead of ~OTV and thus as triangle of",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0152",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0152",
      "label": "36. As further instance may be considered the case of",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "36. As further instance may be considered the case of",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0153",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "points E and El equidistant from 0 and opposite each other,",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "points E and El equidistant from 0 and opposite each other,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0154",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
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        "original_form": "resented by the points / and I1, equidistant from 0 and",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0155",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0155",
      "label": "Again, adding 'E~Er' = I0r0 and parallel OI0 and E\"E° =",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "Again, adding 'E~Er' = I0r0 and parallel OI0 and E\"E° =",
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        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0156",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
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        "original_form": "E.M.F. of the generator OE°, where Z0 = r0 — jx0 = inter-",
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        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0157",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0157",
      "label": "37. As further instance may be considered a three-phase",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "37. As further instance may be considered a three-phase",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0158",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0158",
      "label": "Let, in Fig. 38, O£v ~OEy ~OEZ = three-phase E.M.Fs.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "Let, in Fig. 38, O£v ~OEy ~OEZ = three-phase E.M.Fs.",
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        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0159",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0159",
      "label": "Let OIV Oly Of3 = three-phase currents in the receiver",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "Let OIV Oly Of3 = three-phase currents in the receiver",
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        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0160",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
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        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0161",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
      "year": 1900,
      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0161",
      "label": "figures 0 to 16, representing equidistant points of the line.",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "figures 0 to 16, representing equidistant points of the line.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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        }
      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0162",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0162",
      "label": "are plotted in Fig. 35 in rectangular co-ordinates with the",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "original_form": "are plotted in Fig. 35 in rectangular co-ordinates with the",
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          "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0163",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "resistances, ?\\, r%, r3, . . . are connected in series, their",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
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        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0164",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0165",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      "label": "ADMITTANCE, CONDUCTANCE, SUSCEPTANCE. 53",
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0166",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "y = Vr1 + P ;",
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        "source_ref": {
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0167",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0168",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "label": "reactance x = 0, or in continuous-current circuits, is the",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
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        "original_form": "reactance x = 0, or in continuous-current circuits, is the",
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        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-alternating-current-phenomena-1900::equation::theory-calculation-alternating-current-phenomena-1900-eq-candidate-0169",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
      "source_title": "Theory and Calculation of Alternating Current Phenomena",
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      "record_type": "equation",
      "record_id": "theory-calculation-alternating-current-phenomena-1900-eq-candidate-0169",
      "label": "Again, only in circuits with zero resistance (r = 0) is",
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      "source_id": "theory-calculation-alternating-current-phenomena-1900",
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        "figure_number": 138,
        "caption": "eral, in one of these diagrams shown in Fig. 138 in drawn Fig. 138. lines, current and E.M.F. are in the same direction, repre- senting mechanical work done by the machine as motor-",
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      "label": "sists of three components ; the E.M.F. OE£ — Ez, consumed Fig. 139. by the impedance of the motor, the E.M.F. consumed by the impedance of the line, and the E.M.F.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
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      "evidence": {
        "figure_number": 139,
        "caption": "sists of three components ; the E.M.F. OE£ — Ez, consumed Fig. 139. by the impedance of the motor, the E.M.F. consumed by the impedance of the line, and the E.M.F.",
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      "label": "tor diagram in dotted line. Fig. 140. As seen, for small values of E1 the potential drops in the alternator and in the line. For the value of E1 = E0",
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      "evidence": {
        "figure_number": 140,
        "caption": "tor diagram in dotted line. Fig. 140. As seen, for small values of E1 the potential drops in the alternator and in the line. For the value of E1 = E0",
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      "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      "label": "these quantities change with a change of the constants. Fig. 747. 201. A. — Constant impressed E.M.F. Ev, constant current strength I = i, variable motor excitation Ev (Fig. 142.)",
      "status": "candidate",
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      "evidence": {
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        "caption": "these quantities change with a change of the constants. Fig. 747. 201. A. — Constant impressed E.M.F. Ev, constant current strength I = i, variable motor excitation Ev (Fig. 142.)",
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      "label": "etc., the power is / x 02^, I x 03^, etc., increases first, Fig. 142. reaches the maximum at the point 3j, 3, the most extreme point at the right, with the impressed E.M.F. in phase with",
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        "caption": "etc., the power is / x 02^, I x 03^, etc., increases first, Fig. 142. reaches the maximum at the point 3j, 3, the most extreme point at the right, with the impressed E.M.F. in phase with",
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      "label": "and O as center. Fig. 143. E lies on a straight line e, passing throtigh the origin;",
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        "caption": "and O as center. Fig. 143. E lies on a straight line e, passing throtigh the origin;",
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      "label": "In the first case, El = EQ (Fig. 127), we see that at Fig. 144. very small current, that is very small OE, the current /",
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        "caption": "In the first case, El = EQ (Fig. 127), we see that at Fig. 144. very small current, that is very small OE, the current /",
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      "label": "V Fig. 145. EI = EQ, but has a minimum value corresponding to the",
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        "caption": "V Fig. 145. EI = EQ, but has a minimum value corresponding to the",
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      "label": "dicular to clt and then increases again, reaches once more Fig. 146. El = EQ at E?, and then increases beyond E0. The cur-",
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      "evidence": {
        "figure_number": 146,
        "caption": "dicular to clt and then increases again, reaches once more Fig. 146. El = EQ at E?, and then increases beyond E0. The cur-",
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      "label": "204. Fig. 147. D. En = constant ; P = constant.",
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      "evidence": {
        "figure_number": 147,
        "caption": "204. Fig. 147. D. En = constant ; P = constant.",
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      "label": "7< I < 43 Fig. 149. I",
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        "caption": "7< I < 43 Fig. 149. I",
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      "label": "20<l<30 Fig. 151. As seen, the permissible value of counter E.M.F. Ev and of current /, becomes narrower with increasing output.",
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      "evidence": {
        "figure_number": 151,
        "caption": "20<l<30 Fig. 151. As seen, the permissible value of counter E.M.F. Ev and of current /, becomes narrower with increasing output.",
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      "label": "\\ Fig. 154. taneous reversal of current and E.M.F. ; that is, differing by the time of a half period.",
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      "evidence": {
        "figure_number": 154,
        "caption": "\\ Fig. 154. taneous reversal of current and E.M.F. ; that is, differing by the time of a half period.",
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      "label": "TSOO 8000^ #WU 3000 3uOO Fig. 155. and transposing, the Ouartic Equation of Maximum Dis- placement,",
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      "evidence": {
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        "caption": "TSOO 8000^ #WU 3000 3uOO Fig. 155. and transposing, the Ouartic Equation of Maximum Dis- placement,",
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      "label": "constantly given by the motor. Fig. 156. 2. The reactance, x, is assumed as constant. While the reactance of the line is practically constant, that of the",
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      "evidence": {
        "figure_number": 156,
        "caption": "constantly given by the motor. Fig. 156. 2. The reactance, x, is assumed as constant. While the reactance of the line is practically constant, that of the",
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      "label": "the motor consists of a primary electric circuit, inducing Fig. 157. in the armature the secondary currents, and a primary magnetizing circuit producing the magnetism to act upon",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "figure_number": 157,
        "caption": "the motor consists of a primary electric circuit, inducing Fig. 157. in the armature the secondary currents, and a primary magnetizing circuit producing the magnetism to act upon",
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      "label": "ance, only in that position where the induced currents give Fig. 158. a rotary effort in the desired direction, while the armature coils are open-circuited in the position where the rotary",
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      "evidence": {
        "figure_number": 158,
        "caption": "ance, only in that position where the induced currents give Fig. 158. a rotary effort in the desired direction, while the armature coils are open-circuited in the position where the rotary",
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      "label": "the direction of the magnetic field, short-circuit either a Fig. 159. part of the armature coils as shown in Fig. 158, or the whole armature by a connection from brush to brush as",
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      "evidence": {
        "figure_number": 159,
        "caption": "the direction of the magnetic field, short-circuit either a Fig. 159. part of the armature coils as shown in Fig. 158, or the whole armature by a connection from brush to brush as",
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-alternating-current-phenomena-1900",
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      "label": "and a secondary circuit closed upon itself and displaced in Fig. 160. space by 45° — in a bipolar motor — from the direction of the magnetic flux, as shown diagrammatically in Fig. 160. *",
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      "evidence": {
        "figure_number": 160,
        "caption": "and a secondary circuit closed upon itself and displaced in Fig. 160. space by 45° — in a bipolar motor — from the direction of the magnetic flux, as shown diagrammatically in Fig. 160. *",
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      "label": "vidual branches both systems become unbalanced systems. Fig. 181. Fig. 182.",
      "status": "candidate",
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      "site_path": "/sources/theory-calculation-alternating-current-phenomena-1900/",
      "evidence": {
        "figure_number": 181,
        "caption": "vidual branches both systems become unbalanced systems. Fig. 181. Fig. 182.",
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      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0026",
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      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0028",
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    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0029",
      "person": "Charles Proteus Steinmetz",
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    {
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      "person": "Charles Proteus Steinmetz",
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    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0031",
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      "label": "With tbe silicon rod II of Fig. 6, on constant-potential supply,",
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      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0032",
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      "person": "Charles Proteus Steinmetz",
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      "label": "the lower resistivities of electrolytes: 1 ohm per cm.'; borides,",
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      "evidence": {
        "original_form": "the lower resistivities of electrolytes: 1 ohm per cm.'; borides,",
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      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0034",
      "person": "Charles Proteus Steinmetz",
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      "label": "carbides, nitrides, oxides, etc., gave values from 1 ohm per cm.*",
      "status": "candidate",
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      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "carbides, nitrides, oxides, etc., gave values from 1 ohm per cm.*",
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      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0035",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-circuits",
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      "record_id": "theory-calculation-electric-circuits-eq-candidate-0035",
      "label": "cm. and the electrolytes, 1 ohm-cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "cm. and the electrolytes, 1 ohm-cm.",
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0036",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "label": "to the range (1) and (2) of Fig. 3. It, therefore, is of importance",
      "status": "candidate",
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    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0037",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_type": "equation",
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      "label": "point b of Fig. 4 into the range (3) and (4) of low resistance, high",
      "status": "candidate",
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      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
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    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0038",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "label": "the high-resistance range (2) and never passes beyond this range,",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "the high-resistance range (2) and never passes beyond this range,",
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    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0039",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0039",
      "label": "13. Operation of pyroelectric conductors on a constant- voltage",
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      "evidence": {
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    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0040",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0040",
      "label": "positive temperature coefficient of resistance, of about 0.1 per",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "positive temperature coefficient of resistance, of about 0.1 per",
        "modern_form": "",
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    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0041",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0041",
      "label": "cient of resistance, its conductivity increasing by about 0.1 per",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "cient of resistance, its conductivity increasing by about 0.1 per",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0042",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0042",
      "label": "3. Anthracite. — It has an extremely high resistance, is prac-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "3. Anthracite. — It has an extremely high resistance, is prac-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0043",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0043",
      "label": "(1) thus shows the characteristics of metallic conduction, (2)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "(1) thus shows the characteristics of metallic conduction, (2)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 3305,
          "line_end": 3305,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0044",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0044",
      "label": "fiber is about 10^^, of mica 10^*, of rubber 10^^ ohm-cm., etc.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "fiber is about 10^^, of mica 10^*, of rubber 10^^ ohm-cm., etc.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 3323,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0045",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0045",
      "label": "r = roS-\"^ (3)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "r = roS-\"^ (3)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 3345,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0046",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0046",
      "label": "Fig. 15 shows for a number of high-resistance insulat-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Fig. 15 shows for a number of high-resistance insulat-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 3365,
          "line_end": 3365,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0047",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0047",
      "label": "Fig. 16 shows the voltage-pressure characteristic, at constant",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Fig. 16 shows the voltage-pressure characteristic, at constant",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4236,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0048",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0048",
      "label": "current of 0.1 amp. and 0.05 amp., of a Geissler tube of 1.3 cm.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "current of 0.1 amp. and 0.05 amp., of a Geissler tube of 1.3 cm.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4237,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0049",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0049",
      "label": "internal diameter and 200 cm. length, using air as conductor, and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "internal diameter and 200 cm. length, using air as conductor, and",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4238,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0050",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0050",
      "label": "65 to 500 ohms per cm.* in the Geissler tube conduction of Figs.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "65 to 500 ohms per cm.* in the Geissler tube conduction of Figs.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4252,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0051",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0051",
      "label": "netite arcs of 0.3; 1.25; 2.5 and 3.75 cm. length.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "netite arcs of 0.3; 1.25; 2.5 and 3.75 cm. length.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4671,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0052",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0052",
      "label": "e = a + 7T- (4)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "e = a + 7T- (4)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4676,
          "line_end": 4676,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0053",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0053",
      "label": "Pi = 6i i = c -y/i {I + 8)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Pi = 6i i = c -y/i {I + 8)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4701,
          "line_end": 4701,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0054",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0054",
      "label": "ei = 7T— (5)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "ei = 7T— (5)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4704,
          "line_end": 4704,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0055",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0055",
      "label": "a = 13 volts for mercury,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "a = 13 volts for mercury,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4721,
          "line_end": 4721,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0056",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0056",
      "label": "= 16 volts for zinc and cadmium (approximately),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "= 16 volts for zinc and cadmium (approximately),",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4723,
          "line_end": 4723,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0057",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0057",
      "label": "= 30 volts for magnetite,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "= 30 volts for magnetite,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4725,
          "line_end": 4725,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0058",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0058",
      "label": "= 36 volts for carbon;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "= 36 volts for carbon;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4727,
          "line_end": 4727,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0059",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0059",
      "label": "c = 31 for magnetite,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "c = 31 for magnetite,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4728,
          "line_end": 4728,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0060",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0060",
      "label": "= 35 for carbon;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "= 35 for carbon;",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4730,
          "line_end": 4730,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0061",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0061",
      "label": "d = 0.125 cm. for magnetite,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "d = 0.125 cm. for magnetite,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4731,
          "line_end": 4731,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0062",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0062",
      "label": "= 0.8 cm. for carbon.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "= 0.8 cm. for carbon.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4733,
          "line_end": 4733,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0063",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0063",
      "label": "bon arc. It agrees fairly well for arc lengths above 0.75 cm., but",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "bon arc. It agrees fairly well for arc lengths above 0.75 cm., but",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4736,
          "line_end": 4736,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0064",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0064",
      "label": "by equation (4), and approaches for i = the value 6 = 28 volts.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "by equation (4), and approaches for i = the value 6 = 28 volts.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4738,
          "line_end": 4738,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0065",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0065",
      "label": "It seems as if the terminal drop, a = 36 volts with carbon, con-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "It seems as if the terminal drop, a = 36 volts with carbon, con-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4740,
          "line_end": 4740,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0066",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0066",
      "label": "sists of an actual terminal drop, oo = 28 volts, and a terminal",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "sists of an actual terminal drop, oo = 28 volts, and a terminal",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4741,
          "line_end": 4741,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0067",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0067",
      "label": "drop of ai = 8 volts, which resides in the space within a short",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "drop of ai = 8 volts, which resides in the space within a short",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4742,
          "line_end": 4742,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0068",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0068",
      "label": "Inserting in series to a magnetite arc of 1.8 cm. length, shown as",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Inserting in series to a magnetite arc of 1.8 cm. length, shown as",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4752,
          "line_end": 4752,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0069",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0069",
      "label": "curve I in Fig. 20, a constant resistance of r = 10 ohms, the vol-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "curve I in Fig. 20, a constant resistance of r = 10 ohms, the vol-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4753,
          "line_end": 4753,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0070",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0070",
      "label": "io = 2.9 amp. and the arc thus is unstable for currents below",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "io = 2.9 amp. and the arc thus is unstable for currents below",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4759,
          "line_end": 4759,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0071",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0071",
      "label": "io = 2.9 amp. thus separates the unstable lower part of curve",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "io = 2.9 amp. thus separates the unstable lower part of curve",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4762,
          "line_end": 4762,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0072",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0072",
      "label": "With a larger series resistance, / = 20 ohms, the stability range",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "With a larger series resistance, / = 20 ohms, the stability range",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4765,
          "line_end": 4765,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0073",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0073",
      "label": "With a smaller series resistance, r\" = 5 ohms, the stability",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "With a smaller series resistance, r\" = 5 ohms, the stability",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4769,
          "line_end": 4769,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0074",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0074",
      "label": "At the stability limit, I'o, in curve III of Fig. 20, the resultant",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "At the stability limit, I'o, in curve III of Fig. 20, the resultant",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 4780,
          "line_end": 4780,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0075",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0075",
      "label": "„• = £(i+«) = 0.5 ci (8)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "„• = £(i+«) = 0.5 ci (8)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5060,
          "line_end": 5060,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0076",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0076",
      "label": "= a + 1.5 ^SL+J) (9)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "= a + 1.5 ^SL+J) (9)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5066,
          "line_end": 5066,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0077",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0077",
      "label": "ei = d (10)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "ei = d (10)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5101,
          "line_end": 5101,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0078",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0078",
      "label": "e - o + c! (11)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "e - o + c! (11)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5112,
          "line_end": 5112,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0079",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0079",
      "label": "= 13 + -",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "= 13 + -",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5131,
          "line_end": 5131,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0080",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0080",
      "label": "L-40 CM. = 2.2 CM.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "L-40 CM. = 2.2 CM.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5148,
          "line_end": 5148,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0081",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0081",
      "label": "mercury arc, for a tube diameter of 2 cm., is about ^ volts per",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "mercury arc, for a tube diameter of 2 cm., is about ^ volts per",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5203,
          "line_end": 5203,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0082",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0082",
      "label": "tube, and the specific resistance of the stream, at 4 amp., is",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "tube, and the specific resistance of the stream, at 4 amp., is",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5205,
          "line_end": 5205,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0083",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0083",
      "label": "about 0.2 ohms per cm.*, or of the magnitude of one one-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "about 0.2 ohms per cm.*, or of the magnitude of one one-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5210,
          "line_end": 5210,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0084",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0084",
      "label": "sistance of the arc stream is of the magnitude of 1 ohm per cm.',",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "sistance of the arc stream is of the magnitude of 1 ohm per cm.',",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5226,
          "line_end": 5226,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0085",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0085",
      "label": "ties covers a range of 1 to 10^^. The magnetic circuit thus is",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "ties covers a range of 1 to 10^^. The magnetic circuit thus is",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5464,
          "line_end": 5464,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0086",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0086",
      "label": "M = a(S - B) (1)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "M = a(S - B) (1)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5486,
          "line_end": 5486,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0087",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0087",
      "label": ". = 1 (2)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": ". = 1 (2)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5499,
          "line_end": 5499,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0088",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0088",
      "label": "for B = Oy equation (1) gives",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "for B = Oy equation (1) gives",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5509,
          "line_end": 5509,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0089",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0089",
      "label": "/jLo = aS = -; a = — (4)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "/jLo = aS = -; a = — (4)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5511,
          "line_end": 5511,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0090",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0090",
      "label": "p = a+aH (5)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "p = a+aH (5)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5529,
          "line_end": 5529,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0091",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0091",
      "label": "Bo = B-H (6)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Bo = B-H (6)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5540,
          "line_end": 5540,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0092",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0092",
      "label": "far from 20 kilolines per cm.^, and that therefore Frohlich's and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "far from 20 kilolines per cm.^, and that therefore Frohlich's and",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5543,
          "line_end": 5543,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0093",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0093",
      "label": "Fig. 23 shows an average magnetization curve, of good standard",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Fig. 23 shows an average magnetization curve, of good standard",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5801,
          "line_end": 5801,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0094",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0094",
      "label": "kilolines per cm.^, the abscissae in units for 5i, in tens for B2, and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "kilolines per cm.^, the abscissae in units for 5i, in tens for B2, and",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5805,
          "line_end": 5805,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0095",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0095",
      "label": "Below ff = 3, p is not a straight line, but curved, due to the in-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Below ff = 3, p is not a straight line, but curved, due to the in-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5812,
          "line_end": 5812,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0096",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0096",
      "label": "straight-line law is reached at the point Ci, at ff = 3, and the re-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "straight-line law is reached at the point Ci, at ff = 3, and the re-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5814,
          "line_end": 5814,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0097",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0097",
      "label": "Pi = 0.102 + 0.059 H (7)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Pi = 0.102 + 0.059 H (7)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5817,
          "line_end": 5817,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0098",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0098",
      "label": "Si = 16,950.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Si = 16,950.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5825,
          "line_end": 5825,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0099",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0099",
      "label": "At H = 18, a bend occurs in the reluctivity line, marked by",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "At H = 18, a bend occurs in the reluctivity line, marked by",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5827,
          "line_end": 5827,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0100",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0100",
      "label": "P2 = 0.18 + 0.0548 ff (8)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "P2 = 0.18 + 0.0548 ff (8)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5830,
          "line_end": 5830,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0101",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0101",
      "label": "S2 = 18,250.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "S2 = 18,250.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5838,
          "line_end": 5838,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0102",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0102",
      "label": "At H = 80, another bend occurs in the reluctivity line, marked",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "At H = 80, another bend occurs in the reluctivity line, marked",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5840,
          "line_end": 5840,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0103",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0103",
      "label": "P3 = 0.70 + 0.0477 H (9)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "P3 = 0.70 + 0.0477 H (9)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5844,
          "line_end": 5844,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0104",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0104",
      "label": "S = 20,960.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "S = 20,960.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 5852,
          "line_end": 5852,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0105",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0105",
      "label": "of soft material of reluctivity pi (ferrite) and g = 1 — p of hard",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "of soft material of reluctivity pi (ferrite) and g = 1 — p of hard",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6167,
          "line_end": 6167,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0106",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0106",
      "label": "P2 = a2 + fT^H J",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "P2 = a2 + fT^H J",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6172,
          "line_end": 6172,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0107",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0107",
      "label": "'>' = ? = ^' + ^'^ (11)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "'>' = ? = ^' + ^'^ (11)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6182,
          "line_end": 6182,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0108",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0108",
      "label": "p\" = VPi + ^P^ = (P«i + Qoii) + {P<^i + QfT2)H (12)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "p\" = VPi + ^P^ = (P«i + Qoii) + {P<^i + QfT2)H (12)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6189,
          "line_end": 6189,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0109",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0109",
      "label": "p\" = qa2+aH (13)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "p\" = qa2+aH (13)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6194,
          "line_end": 6194,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0110",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0110",
      "label": "Substituting, as instance, (7) and (9) into (11) and (13)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Substituting, as instance, (7) and (9) into (11) and (13)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6196,
          "line_end": 6196,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0111",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0111",
      "label": "— = 0.102,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "— = 0.102,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6199,
          "line_end": 6199,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0112",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0112",
      "label": "- = 0.059,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "- = 0.059,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6202,
          "line_end": 6202,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0113",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0113",
      "label": "qui = 0.70,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "qui = 0.70,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6208,
          "line_end": 6208,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0114",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0114",
      "label": "<r = 0.0477,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "<r = 0.0477,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6209,
          "line_end": 6209,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0115",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0115",
      "label": "p = 0.80 : pi = 0.082 + 0.0477 H,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "p = 0.80 : pi = 0.082 + 0.0477 H,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6211,
          "line_end": 6211,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0116",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0116",
      "label": "g = 0.20 : P2 = 3.5 + 0.0477 H.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "g = 0.20 : P2 = 3.5 + 0.0477 H.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6212,
          "line_end": 6212,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0117",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0117",
      "label": "inward bend of J?i below H = 2, are best shown (\"Engineering",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "inward bend of J?i below H = 2, are best shown (\"Engineering",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6245,
          "line_end": 6245,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0118",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0118",
      "label": "Suppose now, at some point. Bo = 13.15, we stop the increase",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Suppose now, at some point. Bo = 13.15, we stop the increase",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6248,
          "line_end": 6248,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0119",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0119",
      "label": "\"decreasing magnetic characteristic,\" and at -H = 0, we are not",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "\"decreasing magnetic characteristic,\" and at -H = 0, we are not",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6254,
          "line_end": 6254,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0120",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0120",
      "label": "back to B = 0, but a residual or remanent flux is left, in Fig. 25 :",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "back to B = 0, but a residual or remanent flux is left, in Fig. 25 :",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6256,
          "line_end": 6256,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0121",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0121",
      "label": "B = 7.4.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "B = 7.4.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6258,
          "line_end": 6258,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0122",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0122",
      "label": "Ai, at ff = — 1.5, J5 = —4, and then again reverse, we get a ris-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Ai, at ff = — 1.5, J5 = —4, and then again reverse, we get a ris-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6279,
          "line_end": 6279,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0123",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0123",
      "label": "remanent magnetism. Suppose we stop at point A 2, at H =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "remanent magnetism. Suppose we stop at point A 2, at H =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6281,
          "line_end": 6281,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0124",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0124",
      "label": "— 1.12, jB= — 1.0: the rising magnetization curve B '\" then passes",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "— 1.12, jB= — 1.0: the rising magnetization curve B '\" then passes",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6282,
          "line_end": 6282,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0125",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0125",
      "label": "a point, Ao, between Ai and A 2, such that the rising magnetiza-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "a point, Ao, between Ai and A 2, such that the rising magnetiza-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6284,
          "line_end": 6284,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0126",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0126",
      "label": "H = Oj B = 0, and thereby runs into the curve, J5i.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "H = Oj B = 0, and thereby runs into the curve, J5i.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6286,
          "line_end": 6286,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0127",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0127",
      "label": "various rising and decreasing characteristics B\", J?i, J5\"', B\"u",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "various rising and decreasing characteristics B\", J?i, J5\"', B\"u",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6310,
          "line_end": 6310,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0128",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0128",
      "label": "limits +At, and -~Ba, as shown in Fig. 26, its decreasing branch",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "limits +At, and -~Ba, as shown in Fig. 26, its decreasing branch",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6323,
          "line_end": 6323,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0129",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0129",
      "label": "line given as P) in Fig. 28. At Iiigher values of H: from H = Z uf^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "line given as P) in Fig. 28. At Iiigher values of H: from H = Z uf^",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6510,
          "line_end": 6510,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0130",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0130",
      "label": "Thus in Fig. 27, an alternating field H = 1 gives an alternating",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Thus in Fig. 27, an alternating field H = 1 gives an alternating",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6803,
          "line_end": 6803,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0131",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0131",
      "label": "flux density, B2 = 2.6. If, however, this field strength ff = 1",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "flux density, B2 = 2.6. If, however, this field strength ff = 1",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6804,
          "line_end": 6804,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0132",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0132",
      "label": "is left on the magnetic circuit, the flux does not remain at B2 =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "is left on the magnetic circuit, the flux does not remain at B2 =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6805,
          "line_end": 6805,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0133",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0133",
      "label": "Thus the alternating characteristic, £2, however important in",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
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    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0134",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-circuits",
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      "label": "Thus, for instance, from point Po, the points Pi, P2, P3, etc., are",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
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    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0135",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_id": "theory-calculation-electric-circuits-eq-candidate-0135",
      "label": "J? = 1, may give any value of flux density between B = —4.6",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "J? = 1, may give any value of flux density between B = —4.6",
        "modern_form": "",
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0136",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0136",
      "label": "and B = +13.6, and a given value of flux density, such as B =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "and B = +13.6, and a given value of flux density, such as B =",
        "modern_form": "",
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0137",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0137",
      "label": "10, may result from any value of field intensity, between H =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "10, may result from any value of field intensity, between H =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0138",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0138",
      "label": "- 0.25 to ff = + 3.4",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "- 0.25 to ff = + 3.4",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0139",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0139",
      "label": "point Pi, Fig. 27: H == 2j B = 13, would rapidly change, by the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "point Pi, Fig. 27: H == 2j B = 13, would rapidly change, by the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0140",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0140",
      "label": "flux density decreasing, to Po, slower to P2 and then still slower,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "flux density decreasing, to Po, slower to P2 and then still slower,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0141",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0141",
      "label": "36. For H = 0, the magnetic range is from —Ro = —11.2 to",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "36. For H = 0, the magnetic range is from —Ro = —11.2 to",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0142",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0142",
      "label": "+jBo = 11.2; the permanent value is zero. The method of reach-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "+jBo = 11.2; the permanent value is zero. The method of reach-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6873,
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0143",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0143",
      "label": "tion curve. Thus for ff = 1, to reach permanent condition, an",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "tion curve. Thus for ff = 1, to reach permanent condition, an",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 6881,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0144",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0144",
      "label": "alternating m.m.f. is superimposed upon H = 1, and gradually",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "alternating m.m.f. is superimposed upon H = 1, and gradually",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0145",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0145",
      "label": "ing amplitude, with ff = 1, as mean value, the flux density gradu-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "ing amplitude, with ff = 1, as mean value, the flux density gradu-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0146",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0146",
      "label": "entire range down to H = 0, and the inward bend of the magnetic",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "entire range down to H = 0, and the inward bend of the magnetic",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0147",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0147",
      "label": "37. As the industrially most important varying magnetic fields",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "37. As the industrially most important varying magnetic fields",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7025,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0148",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0148",
      "label": "f> = sB (2)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "f> = sB (2)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7043,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0149",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0149",
      "label": "e = ns-^ (3)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "e = ns-^ (3)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7047,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0150",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0150",
      "label": "F = ni (4)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "F = ni (4)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7051,
          "line_end": 7051,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0151",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0151",
      "label": "H = 47r/",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "H = 47r/",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7060,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0152",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0152",
      "label": "hence, substituting (5) into (6) and transposing,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "hence, substituting (5) into (6) and transposing,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7061,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0153",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0153",
      "label": "or, per cm.^ of the magnetic circuit, that is, f or s = 1 and Z =* ^h",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "or, per cm.^ of the magnetic circuit, that is, f or s = 1 and Z =* ^h",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7076,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0154",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0154",
      "label": "ti?i,2 = — I HdB ergs (1«)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "ti?i,2 = — I HdB ergs (1«)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7092,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0155",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0155",
      "label": "HdB = j4 is the area of the hysteresis loop, shown shaded",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "HdB = j4 is the area of the hysteresis loop, shown shaded",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7119,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0156",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0156",
      "label": "from B = 1000 to S = 12,000, the hysteresie lose can with suffi-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "from B = 1000 to S = 12,000, the hysteresie lose can with suffi-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7245,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0157",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0157",
      "label": "w = i)B'» (15)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "w = i)B'» (15)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7249,
          "line_end": 7249,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0158",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0158",
      "label": "of 1 X 10~' to 2 X 10~' for annealed soft sheet steel, if fi is",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "of 1 X 10~' to 2 X 10~' for annealed soft sheet steel, if fi is",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7391,
          "line_end": 7391,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0159",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0159",
      "label": "or w is given in watts per kilogram or per pound at 60 cycles.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "or w is given in watts per kilogram or per pound at 60 cycles.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7395,
          "line_end": 7395,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0160",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0160",
      "label": "w = 0.824 X 10-^ B^' (16)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "w = 0.824 X 10-^ B^' (16)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7409,
          "line_end": 7409,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0161",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0161",
      "label": "values is good up to B = 10,000, but above this density, the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "values is good up to B = 10,000, but above this density, the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7412,
          "line_end": 7412,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0162",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0162",
      "label": "As seen, the magnetite carries practically no flux up to £ = 10,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "As seen, the magnetite carries practically no flux up to £ = 10,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7593,
          "line_end": 7593,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0163",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0163",
      "label": "but beyond B = 12, the flux carried by the magnetite rapidly",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "but beyond B = 12, the flux carried by the magnetite rapidly",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7594,
          "line_end": 7594,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0164",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0164",
      "label": "Wi = 1.2 B,i-« X 10-^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Wi = 1.2 B,i-« X 10-^",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7740,
          "line_end": 7740,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0165",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0165",
      "label": "Wj = 23.5 S„i-» X 10-^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Wj = 23.5 S„i-» X 10-^",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7743,
          "line_end": 7743,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0166",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0166",
      "label": "w = 1.38 B'-« X 10-^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "w = 1.38 B'-« X 10-^",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7746,
          "line_end": 7746,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0167",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0167",
      "label": "resis coefficient rj, at high densities, over the value 1.38 X 10~',",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "resis coefficient rj, at high densities, over the value 1.38 X 10~',",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7758,
          "line_end": 7758,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0168",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0168",
      "label": "f = ^ (14)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "f = ^ (14)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7771,
          "line_end": 7771,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0169",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0169",
      "label": "w == rjB^ (17)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "w == rjB^ (17)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7776,
          "line_end": 7776,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0170",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0170",
      "label": "where n = 1.6, it is",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "where n = 1.6, it is",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7778,
          "line_end": 7778,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0171",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0171",
      "label": "r = MTTT? B^-^ (18)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "r = MTTT? B^-^ (18)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7780,
          "line_end": 7780,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0172",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0172",
      "label": "With decreasingdensity5,B'»~2 steadily increases, if n < 2, and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "With decreasingdensity5,B'»~2 steadily increases, if n < 2, and",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7786,
          "line_end": 7786,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0173",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0173",
      "label": "In the case of Fig. 33, for t? = 0.824 X 10\"^, assuming the per-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "In the case of Fig. 33, for t? = 0.824 X 10\"^, assuming the per-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7795,
          "line_end": 7795,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0174",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0174",
      "label": "II = 1500,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "II = 1500,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7798,
          "line_end": 7798,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0175",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0175",
      "label": "If n > 2, B** - 2 steadily decreases with decreasing B, and the per-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "If n > 2, B** - 2 steadily decreases with decreasing B, and the per-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7803,
          "line_end": 7803,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0176",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0176",
      "label": "log V} = log II + n log B (19)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "log V} = log II + n log B (19)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7974,
          "line_end": 7974,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0177",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0177",
      "label": "log B, This is done for the silicon steel. Fig. 33, over the range",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "log B, This is done for the silicon steel. Fig. 33, over the range",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7986,
          "line_end": 7986,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0178",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0178",
      "label": "from S = 30 to B = 16,000, in Fig. 36, as curve I.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "from S = 30 to B = 16,000, in Fig. 36, as curve I.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7987,
          "line_end": 7987,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0179",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0179",
      "label": "from log B = 3; B = 1000, to log B = 4; B = 10,000, with slope",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "from log B = 3; B = 1000, to log B = 4; B = 10,000, with slope",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7990,
          "line_end": 7990,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0180",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0180",
      "label": "1.6006, and for low densities, up to log B = 2.6; B = 400, with",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "1.6006, and for low densities, up to log B = 2.6; B = 400, with",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 7991,
          "line_end": 7991,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0181",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0181",
      "label": "w = 0.824 Si« X 10-»",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "w = 0.824 Si« X 10-»",
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      }
    },
    {
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      "record_type": "equation",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
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        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0183",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0183",
      "label": "However, in this lower range, n = 2 gives a curve:",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "However, in this lower range, n = 2 gives a curve:",
        "modern_form": "",
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        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0184",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0184",
      "label": "w = 0.0457 B^ X 10-3",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0185",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0185",
      "label": "n = 1.923,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "n = 1.923,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0186",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0186",
      "label": "that is, that at about B = 500, in iron the point is reached, below",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "that is, that at about B = 500, in iron the point is reached, below",
        "modern_form": "",
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0187",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0187",
      "label": "apply, above B = 10,000, and between B = 500 and B = lOOO,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "apply, above B = 10,000, and between B = 500 and B = lOOO,",
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        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0188",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0188",
      "label": "rj = 0.824 X 10-3 fQj. ^i^Q medium range, where n = 1.6",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "rj = 0.824 X 10-3 fQj. ^i^Q medium range, where n = 1.6",
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        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0189",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0189",
      "label": "771 = 0.0457 X 10-3 for the low range, where n\\ ^ 2",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "771 = 0.0457 X 10-3 for the low range, where n\\ ^ 2",
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        "source_ref": {
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        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0190",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0190",
      "label": "n = 1.6 for the medium range, where ij = 0.0824 X 10-'",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "n = 1.6 for the medium range, where ij = 0.0824 X 10-'",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0191",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0191",
      "label": "Ml = 2 for the low range, where in = 0.0457 X 10\"*",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Ml = 2 for the low range, where in = 0.0457 X 10\"*",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8049,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0192",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0192",
      "label": "bolic equations with n = 1.6 and ui = 2, and Fig. 36 shows the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "bolic equations with n = 1.6 and ui = 2, and Fig. 36 shows the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8175,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0193",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0193",
      "label": "exponent is very small, rising only to 1.64, or by 2.5 per cent., while",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "exponent is very small, rising only to 1.64, or by 2.5 per cent., while",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8181,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0194",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0194",
      "label": "w = rjB'' (17)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "w = rjB'' (17)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0195",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0195",
      "label": "log w = log 7} + n log B, (19)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "log w = log 7} + n log B, (19)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8198,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0196",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0196",
      "label": "^=-log5 (22)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "^=-log5 (22)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0197",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0197",
      "label": "(a) 17 =3 const.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "(a) 17 =3 const.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8252,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0198",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0198",
      "label": "(6) n ■» const. =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "(6) n ■» const. =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8256,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0199",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0199",
      "label": "1; = 1.254X100-3",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "1; = 1.254X100-3",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8275,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0200",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0200",
      "label": "n2 = 1 . 6",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "n2 = 1 . 6",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8278,
          "line_end": 8278,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0201",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0201",
      "label": "1,2 = 1. 254 XlO-«",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "1,2 = 1. 254 XlO-«",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8281,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0202",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0202",
      "label": "W = 97B\"; n = 1.6",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "W = 97B\"; n = 1.6",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8385,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0203",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0203",
      "label": "still be represented by the curve with the exponent n = 1.6,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "still be represented by the curve with the exponent n = 1.6,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8394,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0204",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0204",
      "label": "cent., at B = 10,000, changes 77 by about 16 per cent.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "cent., at B = 10,000, changes 77 by about 16 per cent.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8399,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0205",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0205",
      "label": "Thus in Fig, 37 is represented as 1 the logarithmic curve of a",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Thus in Fig, 37 is represented as 1 the logarithmic curve of a",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8408,
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0206",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0206",
      "label": "sity gives the exponent n = 1.556, at low densities the exponent",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "sity gives the exponent n = 1.556, at low densities the exponent",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8410,
          "line_end": 8410,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0207",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0207",
      "label": "rti = 1.923. Assuming, however, ti = 1.6 and Wi = 2.0, gives",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "rti = 1.923. Assuming, however, ti = 1.6 and Wi = 2.0, gives",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8411,
          "line_end": 8411,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0208",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0208",
      "label": "the average values i, = 1.21 X 10\"' and vi = 010 X 10\"', and the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "the average values i, = 1.21 X 10\"' and vi = 010 X 10\"', and the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8412,
          "line_end": 8412,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0209",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0209",
      "label": "1.6 respectively 2 is considerable, the curves drawn with n =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "1.6 respectively 2 is considerable, the curves drawn with n =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8553,
          "line_end": 8553,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0210",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0210",
      "label": "1.6 and Wi = 2 still represent the observed values fairly well in",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "1.6 and Wi = 2 still represent the observed values fairly well in",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8554,
          "line_end": 8554,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0211",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0211",
      "label": "B = 2 — ) follows the same approximate law of the 1.6***",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "B = 2 — ) follows the same approximate law of the 1.6***",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8856,
          "line_end": 8856,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0212",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0212",
      "label": "Bo = 2 '",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Bo = 2 '",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8865,
          "line_end": 8865,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0213",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0213",
      "label": "cycle, and for B2 = —Bi, equation (23) changes to that of the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "cycle, and for B2 = —Bi, equation (23) changes to that of the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8905,
          "line_end": 8905,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0214",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0214",
      "label": "Bo = ^L+A* (24)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Bo = ^L+A* (24)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8909,
          "line_end": 8909,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0215",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0215",
      "label": "w = {ri+ pBo'')B^'^ (26)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "w = {ri+ pBo'')B^'^ (26)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8936,
          "line_end": 8936,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0216",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0216",
      "label": "w = rioB^'^ (27)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "w = rioB^'^ (27)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8938,
          "line_end": 8938,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0217",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0217",
      "label": "710 = ri + PBo'-' (28)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "710 = ri + PBo'-' (28)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8940,
          "line_end": 8940,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0218",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0218",
      "label": "w = 770B\" (29)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "w = 770B\" (29)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8943,
          "line_end": 8943,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0219",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0219",
      "label": "770 = 17 + PBo^ (30)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "770 = 17 + PBo^ (30)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8945,
          "line_end": 8945,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0220",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0220",
      "label": "17 = 1.06 X 10-3",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "17 = 1.06 X 10-3",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8950,
          "line_end": 8950,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0221",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0221",
      "label": "/3 = 0.344 X 10-i«",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "/3 = 0.344 X 10-i«",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8952,
          "line_end": 8952,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0222",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0222",
      "label": "17 = 1.05 X 10-'",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "17 = 1.05 X 10-'",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8956,
          "line_end": 8956,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0223",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0223",
      "label": "p = 0.32 X 10",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "p = 0.32 X 10",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8965,
          "line_end": 8965,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0224",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0224",
      "label": "Bi = -|- 12,000 and -Bg = —4000, the increase of the hysteresis",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Bi = -|- 12,000 and -Bg = —4000, the increase of the hysteresis",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8975,
          "line_end": 8975,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0225",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0225",
      "label": ",„-1.OSx10'V32B''%1(J^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": ",„-1.OSx10'V32B''%1(J^",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 8992,
          "line_end": 8992,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0226",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0226",
      "label": "and Si = 12,000.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "and Si = 12,000.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9059,
          "line_end": 9059,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0227",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0227",
      "label": "47. With the exception of a few ferromagnetic substances, the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "47. With the exception of a few ferromagnetic substances, the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9068,
          "line_end": 9068,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0228",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0228",
      "label": "paramagnetic metals, is /x = 1.003; the permeability of bismuth,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "paramagnetic metals, is /x = 1.003; the permeability of bismuth,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9076,
          "line_end": 9076,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0229",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0229",
      "label": "which is very strongly diamagnetic, is /* = 1 — 0.00017 = 0.99983.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "which is very strongly diamagnetic, is /* = 1 — 0.00017 = 0.99983.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9077,
          "line_end": 9077,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0230",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0230",
      "label": "^^ lower intrinsic saturation value. Thus, if S = 21 X 10' is",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "^^ lower intrinsic saturation value. Thus, if S = 21 X 10' is",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9101,
          "line_end": 9101,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0231",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0231",
      "label": "value ofS = 0.72 X 21 X 10« = 15.1 X 10* only, or a still lower",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "value ofS = 0.72 X 21 X 10« = 15.1 X 10* only, or a still lower",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9110,
          "line_end": 9110,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0232",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0232",
      "label": "saturation value, S = 19.2 X 10^, but the coefficient of hardness",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "saturation value, S = 19.2 X 10^, but the coefficient of hardness",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9125,
          "line_end": 9125,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0233",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0233",
      "label": "of chilled tool steel, a = 8 X 10~^, is 200 times that of the special",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "of chilled tool steel, a = 8 X 10~^, is 200 times that of the special",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9126,
          "line_end": 9126,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0234",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0234",
      "label": "silicon steel, a = 0.04 X 10\"^, and the coefficient of hysteresis of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "silicon steel, a = 0.04 X 10\"^, and the coefficient of hysteresis of",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9127,
          "line_end": 9127,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0235",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0235",
      "label": "the chilled tool steel, 17 = 75 X 10\"', is 125 times that of the sili-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "the chilled tool steel, 17 = 75 X 10\"', is 125 times that of the sili-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9128,
          "line_end": 9128,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0236",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0236",
      "label": "con steel, 77 = 0.6 X 10\"'. Hardness and hysteresis loss seem",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "con steel, 77 = 0.6 X 10\"'. Hardness and hysteresis loss seem",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9129,
          "line_end": 9129,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0237",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0237",
      "label": "changes the magnetic constants, especially a and 17— more or",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "changes the magnetic constants, especially a and 17— more or",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9154,
          "line_end": 9154,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0238",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0238",
      "label": "48. The most important, and therefore most completely in-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "48. The most important, and therefore most completely in-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9166,
          "line_end": 9166,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0239",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0239",
      "label": "Its saturation value is probably between S = 21.0 X 10^ and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Its saturation value is probably between S = 21.0 X 10^ and",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9169,
          "line_end": 9169,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0240",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0240",
      "label": "S = 21.5 X 10^, the saturation coefficient thus a = 0.047.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "S = 21.5 X 10^, the saturation coefficient thus a = 0.047.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9170,
          "line_end": 9170,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0241",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0241",
      "label": "saturation values between 20 X 10' and 21 X 10' are found on",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "saturation values between 20 X 10' and 21 X 10' are found on",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9174,
          "line_end": 9174,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0242",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0242",
      "label": "sheet steel or cast steel, etc., lower values, 19 to 19.5 X 10*,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "sheet steel or cast steel, etc., lower values, 19 to 19.5 X 10*,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9175,
          "line_end": 9175,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0243",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0243",
      "label": "lower values, 12 to 15 X 10', in very impure materials, such as",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "lower values, 12 to 15 X 10', in very impure materials, such as",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9177,
          "line_end": 9177,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0244",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0244",
      "label": "Pi'actically non-magnetic, lowers the permeability to /x = 1.4.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Pi'actically non-magnetic, lowers the permeability to /x = 1.4.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9202,
          "line_end": 9202,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0245",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0245",
      "label": "be 48 per cent., and the saturation density 5^ = 10 X 10^.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "be 48 per cent., and the saturation density 5^ = 10 X 10^.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9242,
          "line_end": 9242,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0246",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0246",
      "label": "saturation density of 4.7 X 10^ to 5.91 X 10^, so that magnet-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "saturation density of 4.7 X 10^ to 5.91 X 10^, so that magnet-",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9245,
          "line_end": 9245,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0247",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0247",
      "label": "Its saturation value probably is between S = 12 X 10^ and S =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Its saturation value probably is between S = 12 X 10^ and S =",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9257,
          "line_end": 9257,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0248",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0248",
      "label": "14 X 10^, and its magnetic characteristic looks very similar to that",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "14 X 10^, and its magnetic characteristic looks very similar to that",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9258,
          "line_end": 9258,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0249",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0249",
      "label": "tween S = 6 X 10^ and /S = 7 X lO^.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "tween S = 6 X 10^ and /S = 7 X lO^.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9273,
          "line_end": 9273,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0250",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0250",
      "label": "ganese as pure metal should be about S = 30 X 10^. This",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "ganese as pure metal should be about S = 30 X 10^. This",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9290,
          "line_end": 9290,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0251",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0251",
      "label": "of temperature, by passing Cr02Cl2 with hydrogen through a",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "of temperature, by passing Cr02Cl2 with hydrogen through a",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9380,
          "line_end": 9380,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0252",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0252",
      "label": "50. On attached tables are given the magnetic constants of the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "50. On attached tables are given the magnetic constants of the",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9393,
          "line_end": 9393,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0253",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0253",
      "label": "\"\"I = coefficient of hysteresis, in the 1.6*^ power law.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "\"\"I = coefficient of hysteresis, in the 1.6*^ power law.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9417,
          "line_end": 9417,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0254",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0254",
      "label": "3 = coefficient of unsymmetrical cycle, for the two cases",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "3 = coefficient of unsymmetrical cycle, for the two cases",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9418,
          "line_end": 9418,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0255",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0255",
      "label": "Fig. 42 gives the magnetic characteristics, up to H = 160",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Fig. 42 gives the magnetic characteristics, up to H = 160",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9438,
          "line_end": 9438,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0256",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0256",
      "label": "up to £f = 16, for the magnetically aoft materials of Fig. 42,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "up to £f = 16, for the magnetically aoft materials of Fig. 42,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 9552,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0257",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0257",
      "label": "energy produced, + increase of the stored magnetic energy. (1)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "energy produced, + increase of the stored magnetic energy. (1)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11124,
          "line_end": 11124,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0258",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0258",
      "label": "mechanical energy t^o =Fl by (1), and therefrom the mechanical",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "mechanical energy t^o =Fl by (1), and therefrom the mechanical",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11137,
          "line_end": 11137,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0259",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0259",
      "label": "2. The Constant-current Electromagnet",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "2. The Constant-current Electromagnet",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11175,
          "line_end": 11175,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0260",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0260",
      "label": "to its final position 2,1 = the length of this motion, or the stroke",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "to its final position 2,1 = the length of this motion, or the stroke",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11183,
          "line_end": 11183,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0261",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0261",
      "label": "L=-^10-8 (2)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "L=-^10-8 (2)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11189,
          "line_end": 11189,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0262",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0262",
      "label": "$, = Mil 108 (3)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "$, = Mil 108 (3)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11196,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0263",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0263",
      "label": "^, = 12^ 108 (4)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "^, = 12^ 108 (4)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11203,
          "line_end": 11203,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0264",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0264",
      "label": "e' = n_lO« = t.^ (5)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "e' = n_lO« = t.^ (5)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11214,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0265",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0265",
      "label": "p = toe' = io^ -^ (6)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "p = toe' = io^ -^ (6)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11218,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0266",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0266",
      "label": "ti; = I pdt = nio^(L2 — Li) (7)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "ti; = I pdt = nio^(L2 — Li) (7)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11222,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0267",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0267",
      "label": "wi = — 2\" (8)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "wi = — 2\" (8)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11230,
          "line_end": 11230,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0268",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0268",
      "label": "W2 = — ?r— (9)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "W2 = — ?r— (9)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11236,
          "line_end": 11236,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0269",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0269",
      "label": "w' = W2 — Wi = -^ (L2 — Li) (10",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "w' = W2 — Wi = -^ (L2 — Li) (10",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11242,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0270",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0270",
      "label": "= —(L2 - Li) joules. (1 ^)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "= —(L2 - Li) joules. (1 ^)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11248,
          "line_end": 11248,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0271",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0271",
      "label": "g = 981 cm.-sec. QJ-^)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "g = 981 cm.-sec. QJ-^)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11257,
          "line_end": 11257,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0272",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0272",
      "label": "and since 1 joule = 10^ absolute units, the mechanical work is",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "and since 1 joule = 10^ absolute units, the mechanical work is",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11272,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0273",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0273",
      "label": "Wo = Fig 10+7 joules. (13)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Wo = Fig 10+7 joules. (13)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11274,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0274",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0274",
      "label": "Fl = ]f^ (L2 - Li)10+7 gram-cm. (14)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Fl = ]f^ (L2 - Li)10+7 gram-cm. (14)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11278,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0275",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0275",
      "label": "F = '^ ^^^-^ 10' grams (16)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "F = '^ ^^^-^ 10' grams (16)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11282,
          "line_end": 11282,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0276",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0276",
      "label": "454 X 30.5 = 13,850",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "454 X 30.5 = 13,850",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11294,
          "line_end": 11294,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0277",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0277",
      "label": "which gives, after substituting for g from (12)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "which gives, after substituting for g from (12)",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 11295,
          "line_end": 11295,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0278",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0278",
      "label": "(14) : Fl = 3.68 tV(L2 - Li) ft.-lb (17)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "(14) : Fl = 3.68 tV(L2 - Li) ft.-lb (17)",
        "modern_form": "",
        "source_ref": {
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    },
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      "site_path": "/sources/theory-calculation-electric-circuits/",
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0280",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "evidence": {
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      }
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    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0281",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_id": "theory-calculation-electric-circuits-eq-candidate-0281",
      "label": "e = 27r fLio (20)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0282",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0282",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
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      }
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    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0283",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0283",
      "label": "PI = ^ \\ . ^ gram-cm. (22)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
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    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0284",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0284",
      "label": "„ io(e2 — ei) 10^ _Jo^ de ^ ,^.",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
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    },
    {
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0285",
      "label": "^ — 4irp 1^-^^^^\"^ (23)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
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      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "label": "Fl = 0-586 io{e, - e^) ^^ _j^^ ^24)",
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      "site_path": "/sources/theory-calculation-electric-circuits/",
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    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
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      "confidence": "source-located-ocr-candidate",
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    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
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      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
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    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0289",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_id": "theory-calculation-electric-circuits-eq-candidate-0289",
      "label": "beginning of the stroke were zero, that is, ei = 0, and tbe",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
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    {
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "site_path": "/sources/theory-calculation-electric-circuits/",
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    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0291",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0291",
      "label": "output, or the efficiency of the electromagnet, thus is, by (22)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "output, or the efficiency of the electromagnet, thus is, by (22)",
        "modern_form": "",
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    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0292",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0292",
      "label": "^^F^e^ (27)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
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        "modern_form": "",
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    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0293",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0293",
      "label": "or, using the more general equation (14), which also appUes to",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0294",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
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      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0294",
      "label": "r, = ^^^ (28)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "r, = ^^^ (28)",
        "modern_form": "",
        "source_ref": {
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0295",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0295",
      "label": "linoited. For 1062 = 1, that is, for 1 volt-amp. the maximum",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "linoited. For 1062 = 1, that is, for 1 volt-amp. the maximum",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0296",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0296",
      "label": "FJ = j^ = -J- gram-cm. (29)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "FJ = j^ = -J- gram-cm. (29)",
        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0297",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0297",
      "label": "^3.5 gram-cm., and a 25-cycle electromagnet never more than",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0298",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0298",
      "label": "32.4 gram-cm. pull per volt-ampere suppUed to its terminals.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "32.4 gram-cm. pull per volt-ampere suppUed to its terminals.",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0299",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0299",
      "label": "Or inversely, for an average pull of 1 gram over a distance of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "Or inversely, for an average pull of 1 gram over a distance of",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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    },
    {
      "id": "theory-calculation-electric-circuits::equation::theory-calculation-electric-circuits-eq-candidate-0300",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "equation",
      "record_id": "theory-calculation-electric-circuits-eq-candidate-0300",
      "label": "cm., a minimum of y^-r volt-amp. is required at 60 cycles,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "original_form": "cm., a minimum of y^-r volt-amp. is required at 60 cycles,",
        "modern_form": "",
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
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    {
      "id": "theory-calculation-electric-circuits::figure::theory-calculation-electric-circuits-fig-001",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "figure",
      "record_id": "theory-calculation-electric-circuits-fig-001",
      "label": "L Fig. 1. A characteristic of metallic conductoi^ is that the resistance",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "figure_number": 1,
        "caption": "L Fig. 1. A characteristic of metallic conductoi^ is that the resistance",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 1172,
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          "verification": "needs-verification"
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    },
    {
      "id": "theory-calculation-electric-circuits::figure::theory-calculation-electric-circuits-fig-002",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "theory-calculation-electric-circuits",
      "source_title": "Theory and Calculation of Electric Circuits",
      "year": 1917,
      "record_type": "figure",
      "record_id": "theory-calculation-electric-circuits-fig-002",
      "label": "/ Fig. 2. ance over a very wide range of temperature is extremely difficult, and often no more accurate.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/theory-calculation-electric-circuits/",
      "evidence": {
        "figure_number": 2,
        "caption": "/ Fig. 2. ance over a very wide range of temperature is extremely difficult, and often no more accurate.",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "theory-calculation-electric-circuits",
          "line_start": 1421,
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          "verification": "needs-verification"
        }
      }
    },
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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    {
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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    {
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0056",
      "label": "Lf + n = 0, (7)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Lf + n = 0, (7)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2181,
          "line_end": 2181,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0057",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0057",
      "label": "where L -7- is the inductance voltage, n the resistance voltage,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "where L -7- is the inductance voltage, n the resistance voltage,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2184,
          "line_end": 2184,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0058",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0058",
      "label": "and, as for t = 0: i = io, it is: C = to; hence",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "and, as for t = 0: i = io, it is: C = to; hence",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2206,
          "line_end": 2206,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0059",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0059",
      "label": "14. Usually single-energy transients last an appreciable time,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "14. Usually single-energy transients last an appreciable time,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2215,
          "line_end": 2215,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0060",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0060",
      "label": "ZoV = 500,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "ZoV = 500,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2230,
          "line_end": 2230,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0061",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0061",
      "label": "The magnetic flux is $o = 8 X 10^, and with 4 7z total turns",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "The magnetic flux is $o = 8 X 10^, and with 4 7z total turns",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2245,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0062",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0062",
      "label": "4 n<E>o = 32 n X 10^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "4 n<E>o = 32 n X 10^",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2248,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0063",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0063",
      "label": "m'o = 6000 ampere turns,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "m'o = 6000 ampere turns,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2260,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0064",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0064",
      "label": "7 = ^ = ^5 = 3.84 sec.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "7 = ^ = ^5 = 3.84 sec.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2287,
          "line_end": 2287,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0065",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0065",
      "label": "gins the resistance of the coil in Fig. 10 is increased, that is, the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "gins the resistance of the coil in Fig. 10 is increased, that is, the",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2302,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0066",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0066",
      "label": "Fig. 12. — Magnetic Single-energy Transient.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Fig. 12. — Magnetic Single-energy Transient.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2305,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0067",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0067",
      "label": "resistance r'. Such would, for instance, be the case in Fig. 12,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "resistance r'. Such would, for instance, be the case in Fig. 12,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2309,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0068",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0068",
      "label": "on curves which must be steeper than those in Fig. 11, since the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "on curves which must be steeper than those in Fig. 11, since the",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2320,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0069",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0069",
      "label": "Fig. 13. — Characteristics of Magnetic Single-energy Transient.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Fig. 13. — Characteristics of Magnetic Single-energy Transient.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2345,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0070",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0070",
      "label": "SINGLE-ENERGY TRANSIENTS. 27",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "SINGLE-ENERGY TRANSIENTS. 27",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2369,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0071",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0071",
      "label": "If r' = 00 , that is, no resistance is in shunt to the coil, but the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "If r' = 00 , that is, no resistance is in shunt to the coil, but the",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2378,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0072",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0072",
      "label": "1 6. Similar transients as discussed above occur when closing a",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "1 6. Similar transients as discussed above occur when closing a",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2395,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0073",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0073",
      "label": "Fig. 14. — Single-energy Starting Transient of Magnetic Circuit.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Fig. 14. — Single-energy Starting Transient of Magnetic Circuit.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2449,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0074",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0074",
      "label": "For instance, in the coil shown in Fig. 10, let the short circuit A",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "For instance, in the coil shown in Fig. 10, let the short circuit A",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2452,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0075",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0075",
      "label": "SINGLE-ENERGY TRANSIENTS. 29",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "SINGLE-ENERGY TRANSIENTS. 29",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2462,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0076",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0076",
      "label": "thus at the moment of the change of circuit condition, and 12 =",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "thus at the moment of the change of circuit condition, and 12 =",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2500,
          "line_end": 2500,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0077",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0077",
      "label": "component ii — 12 = iq. The former, 2*2, is permanent, as result-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "component ii — 12 = iq. The former, 2*2, is permanent, as result-",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2504,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0078",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0078",
      "label": "graph 13, that is, with a duration T = — -",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0079",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "label": "i'l, in Fig. 15 A, the conditions be changed, at the moment t = 0,",
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      "evidence": {
        "original_form": "i'l, in Fig. 15 A, the conditions be changed, at the moment t = 0,",
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          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2517,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0080",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0080",
      "label": "current ii at the moment t = 0 can be considered as consisting",
      "status": "candidate",
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0081",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0081",
      "label": "of the instantaneous value of the permanent current (2, shown",
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      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "of the instantaneous value of the permanent current (2, shown",
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          "line_start": 2520,
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0082",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0083",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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        "original_form": "Fig. 15. — Single-energy Transient of Alternating-current Circuit.",
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    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0084",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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        "modern_form": "",
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    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0085",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "label": "Fig. 16. — Single-energy Starting Transient of Alternating-current Circuit.",
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        "original_form": "Fig. 16. — Single-energy Starting Transient of Alternating-current Circuit.",
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    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0086",
      "person": "Charles Proteus Steinmetz",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "label": "Fig. 17. — Single-energy Starting Transient of Three-phase Circuit.",
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        "original_form": "Fig. 17. — Single-energy Starting Transient of Three-phase Circuit.",
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    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0087",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "label": "also is zero. Since the three transient curves ii^, 12^, 4° are pro-",
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        "original_form": "also is zero. Since the three transient curves ii^, 12^, 4° are pro-",
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0088",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "label": "circuit, t = 0. Combined, these would give the resultant field",
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0089",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0089",
      "label": "are ii^ =—ii, 12^ = —ii', iz^ =—iz, and combined these give a",
      "status": "candidate",
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        "original_form": "are ii^ =—ii, 12^ = —ii', iz^ =—iz, and combined these give a",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2670,
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0090",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
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      "label": "resultant field OBo, equal and opposite to OAq in Fig. 18. The",
      "status": "candidate",
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      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "resultant field OBo, equal and opposite to OAq in Fig. 18. The",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2671,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0091",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0091",
      "label": "time, and plotted in rectangular coordinates, as done in Fig. 20.",
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      "evidence": {
        "original_form": "time, and plotted in rectangular coordinates, as done in Fig. 20.",
        "modern_form": "",
        "source_ref": {
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          "line_start": 2702,
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0092",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0092",
      "label": "Fig, 20. — Starting Transient of Rotating Field: Rectangular Form.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Fig, 20. — Starting Transient of Rotating Field: Rectangular Form.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2712,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0093",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0093",
      "label": "which they start, as shown in Fig. 17, their polyphase resultant",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "which they start, as shown in Fig. 17, their polyphase resultant",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2727,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0094",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0094",
      "label": "SINGLE-ENERGY TRANSIENTS. 37",
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        "original_form": "SINGLE-ENERGY TRANSIENTS. 37",
        "modern_form": "",
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0095",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0095",
      "label": "19. As instance of the use of the single-energy transient in",
      "status": "candidate",
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      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "19. As instance of the use of the single-energy transient in",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2751,
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0096",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0096",
      "label": "part X2 = a;o — Xi of the synchronous reactance which corresponds",
      "status": "candidate",
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      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "part X2 = a;o — Xi of the synchronous reactance which corresponds",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0097",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0097",
      "label": "SINGLE-ENERGY TRANSIENTS. 39",
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        "original_form": "SINGLE-ENERGY TRANSIENTS. 39",
        "modern_form": "",
        "source_ref": {
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0098",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0098",
      "label": "20. Let $1 = field flux of a three-phase alternator (or, in general,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "20. Let $1 = field flux of a three-phase alternator (or, in general,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2853,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0099",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0099",
      "label": "circuited at the time t = 0. The field flux then gradually dies",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "circuited at the time t = 0. The field flux then gradually dies",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 2855,
          "line_end": 2855,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0100",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0100",
      "label": "it is $1 = m$o, and the initial value of the field flux consists of the",
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      "evidence": {
        "original_form": "it is $1 = m$o, and the initial value of the field flux consists of the",
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      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0123",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "label": "SINGLE-ENERGY TRANSIENTS. 49",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0124",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0124",
      "label": "the oscillograms Figs. 26 to 28.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0125",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0125",
      "label": "Alternator (atb-4-1500-1800). Oscillograms of Armatm-e Current and Field",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Alternator (atb-4-1500-1800). Oscillograms of Armatm-e Current and Field",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0126",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0126",
      "label": "Fig. 27 shows the single-phase short circuit of a pair of machines",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Fig. 27 shows the single-phase short circuit of a pair of machines",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0127",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0127",
      "label": "Fig. 27. — CD5128. — Symmetrical. Momentary Single-phase Short Circuit",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Fig. 27. — CD5128. — Symmetrical. Momentary Single-phase Short Circuit",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3323,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0128",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0128",
      "label": "Fig. 28. — cd656o. — Asymmetrical. Momentary Single-phase Short Circuit",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Fig. 28. — cd656o. — Asymmetrical. Momentary Single-phase Short Circuit",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3328,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0129",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0129",
      "label": "Fig. 28 shows the single-phase short circuit of a 6-polar oOOO-kw.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Fig. 28 shows the single-phase short circuit of a 6-polar oOOO-kw.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3333,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0130",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0130",
      "label": "SINGLE-ENERGY TRANSIENTS. 51",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "SINGLE-ENERGY TRANSIENTS. 51",
        "modern_form": "",
        "source_ref": {
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          "line_start": 3339,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0131",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0131",
      "label": "Fig. 25 shows a single-phase short circuit of a quarter-phase",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Fig. 25 shows a single-phase short circuit of a quarter-phase",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3349,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0132",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0132",
      "label": "SINGLE-ENERGY TRANSIENT OF IRONCLAD CIRCUIT. 53",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "SINGLE-ENERGY TRANSIENT OF IRONCLAD CIRCUIT. 53",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3430,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0133",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0133",
      "label": "p = ^ = « + <rX; (2)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "p = ^ = « + <rX; (2)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3448,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0134",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0134",
      "label": "a component (B' = (B — 5C, which is the additional flux density",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "a component (B' = (B — 5C, which is the additional flux density",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3457,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0135",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0135",
      "label": "(S!,J = 20,000 lines per cm^. *",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "(S!,J = 20,000 lines per cm^. *",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3462,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0136",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0136",
      "label": "For X = 0 in equation (1), - = - ; for 5C = oo , (B = - ; that is,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "For X = 0 in equation (1), - = - ; for 5C = oo , (B = - ; that is,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3499,
          "line_end": 3499,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0137",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0137",
      "label": "in equation (1), - = initial permeability, - = saturation value of",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "in equation (1), - = initial permeability, - = saturation value of",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3500,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0138",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0138",
      "label": "iron part is given by equation (2), that of the air part is constant,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "iron part is given by equation (2), that of the air part is constant,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3507,
          "line_end": 3507,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0139",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0139",
      "label": "p = /3 + <7ac,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "p = /3 + <7ac,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3510,
          "line_end": 3510,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0140",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0140",
      "label": "where Q = a plus the reluctance of the air gap. Equation (1),",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "where Q = a plus the reluctance of the air gap. Equation (1),",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3512,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0141",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0141",
      "label": "(B = c5e.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "(B = c5e.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3521,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0142",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0142",
      "label": "* = ^. + a, (3)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "* = ^. + a, (3)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3527,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0143",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0143",
      "label": "Z/i = na 10-^ )",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Z/i = na 10-^ )",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3537,
          "line_end": 3537,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0144",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0144",
      "label": "U = nc 10-s, ) ^ ^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "U = nc 10-s, ) ^ ^",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3539,
          "line_end": 3539,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0145",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0145",
      "label": "linked with the magnetic circuit, L2 is the inductance of the air",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "linked with the magnetic circuit, L2 is the inductance of the air",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3542,
          "line_end": 3542,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0146",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0146",
      "label": "SINGLE-ENERGY TRANSIENT OF IRONCLAD CIRCUIT. 55",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "SINGLE-ENERGY TRANSIENT OF IRONCLAD CIRCUIT. 55",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3547,
          "line_end": 3547,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0147",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0147",
      "label": "That is, for i = 0, —^ = Li\\ and for 2 = oo , $' = -.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "That is, for i = 0, —^ = Li\\ and for 2 = oo , $' = -.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3550,
          "line_end": 3550,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0148",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0148",
      "label": "n^l0-8 + n = 0.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "n^l0-8 + n = 0.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3564,
          "line_end": 3564,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0149",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0149",
      "label": "+ nc 10~^ -TT + ^^ = 0,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "+ nc 10~^ -TT + ^^ = 0,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3568,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0150",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0150",
      "label": "T.di +7W.-^,^^o. (7)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "T.di +7W.-^,^^o. (7)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3578,
          "line_end": 3578,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0151",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0151",
      "label": "substituted in (8) give the integration constant C:",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "substituted in (8) give the integration constant C:",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3591,
          "line_end": 3591,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0152",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0152",
      "label": "(dotted: t = 1.085 Ig i-.507)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "(dotted: t = 1.085 Ig i-.507)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3631,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0153",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0153",
      "label": "Such is done in Fig. 29, for the values of the constants;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Such is done in Fig. 29, for the values of the constants;",
        "modern_form": "",
        "source_ref": {
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0154",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0154",
      "label": "a = 4 X 10^",
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      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "a = 4 X 10^",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0155",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0155",
      "label": "c = 4 X 104,",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "c = 4 X 104,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0156",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0156",
      "label": "n = 300.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "n = 300.",
        "modern_form": "",
        "source_ref": {
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0157",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0157",
      "label": "SINGLE-ENERGY TRANSIENT OF IRONCLAD CIRCUIT. 57",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "SINGLE-ENERGY TRANSIENT OF IRONCLAD CIRCUIT. 57",
        "modern_form": "",
        "source_ref": {
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0158",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0158",
      "label": "Assuming io = 10 amperes for ^o = 0, gives from (10) the equa-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Assuming io = 10 amperes for ^o = 0, gives from (10) the equa-",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0159",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0159",
      "label": "T = 2.92 - { 9.21 log'^ , ,\\ . + .921 log'^ i ' ^ ^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "T = 2.92 - { 9.21 log'^ , ,\\ . + .921 log'^ i ' ^ ^",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3688,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0160",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0160",
      "label": "1 + .6?; ' =\" ' i + .6?;^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "1 + .6?; ' =\" ' i + .6?;^",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3691,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0161",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0161",
      "label": "Herein, the logarithms have been reduced to the base 10 by",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Herein, the logarithms have been reduced to the base 10 by",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3693,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0162",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0162",
      "label": "division with log^^e = .4343.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "division with log^^e = .4343.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3694,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0163",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0163",
      "label": "t = im^log'H- .507.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "t = im^log'H- .507.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3700,
          "line_end": 3700,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0164",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0164",
      "label": "An oscillogram of the voltage and current waves in an 11,000-kw.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "An oscillogram of the voltage and current waves in an 11,000-kw.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3712,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0165",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0165",
      "label": "y = 2/oe ^°, (1)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "y = 2/oe ^°, (1)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3743,
          "line_end": 3743,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0166",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0166",
      "label": "2/0 = initial value of the transient, and",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "2/0 = initial value of the transient, and",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3747,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0167",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0167",
      "label": "To = -, (2)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "To = -, (2)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 3757,
          "line_end": 3757,
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "i = ii cos 2/0^1 sin-, (21)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4100,
          "line_end": 4100,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0191",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0191",
      "label": "ei cos - + Zoii sin -, (22)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "ei cos - + Zoii sin -, (22)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4108,
          "line_end": 4108,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0192",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0192",
      "label": "T,=2T, = —, (23)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "T,=2T, = —, (23)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4152,
          "line_end": 4152,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0193",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0193",
      "label": "i 0 = —f",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "i 0 = —f",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4175,
          "line_end": 4175,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0194",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0194",
      "label": "T2 = 2 To' = — , (24)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "T2 = 2 To' = — , (24)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4183,
          "line_end": 4183,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0195",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0195",
      "label": "/c = e ^'2",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "/c = e ^'2",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4189,
          "line_end": 4189,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0196",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0196",
      "label": "hk = e T^e T,^^ '\\t,^tJ^ (25)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "hk = e T^e T,^^ '\\t,^tJ^ (25)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4197,
          "line_end": 4197,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0197",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0197",
      "label": "T = l{i+iy'^' (27)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "T = l{i+iy'^' (27)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4212,
          "line_end": 4212,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0198",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0198",
      "label": "This is correct only if g = 0, that is, the conductance, which rep-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "This is correct only if g = 0, that is, the conductance, which rep-",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4228,
          "line_end": 4228,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0199",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0199",
      "label": "I = e~^^ < Zi cos 2/0^1 sm -",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "I = e~^^ < Zi cos 2/0^1 sm -",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4251,
          "line_end": 4251,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0200",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0200",
      "label": "(7 - VlC, (30)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "(7 - VlC, (30)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4278,
          "line_end": 4278,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0201",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0201",
      "label": "As instance are constructed, in Fig. 33, the transients of current",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "As instance are constructed, in Fig. 33, the transients of current",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4283,
          "line_end": 4283,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0202",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0202",
      "label": "Inductance, L = 1.25 mh = 1.25 X 10~^ henrys;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Inductance, L = 1.25 mh = 1.25 X 10~^ henrys;",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4286,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0203",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0203",
      "label": "Capacity, C = 2mf = 2 X 10'^ farads;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Capacity, C = 2mf = 2 X 10'^ farads;",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4288,
          "line_end": 4288,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0204",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0204",
      "label": "Resistance, r = 2.5 ohms;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Resistance, r = 2.5 ohms;",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4289,
          "line_end": 4289,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0205",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0205",
      "label": "Conductance, g = 0.008 mho,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Conductance, g = 0.008 mho,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4291,
          "line_end": 4291,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0206",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0206",
      "label": "The initial transient current, ii = 140 amperes;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "The initial transient current, ii = 140 amperes;",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4295,
          "line_end": 4295,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0207",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0207",
      "label": "The initial transient voltage, ei = 2000 volts.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "The initial transient voltage, ei = 2000 volts.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4296,
          "line_end": 4296,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0208",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0208",
      "label": "a = VLC - 5 X 10-5,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "a = VLC - 5 X 10-5,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4300,
          "line_end": 4300,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0209",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0209",
      "label": "/ = - — = 3180 cycles per second,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "/ = - — = 3180 cycles per second,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4302,
          "line_end": 4302,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0210",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0210",
      "label": "2;o = y ^ = 25 ohms.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "2;o = y ^ = 25 ohms.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4306,
          "line_end": 4306,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0211",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0211",
      "label": "yo = \\ J = 0.04 mho,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "yo = \\ J = 0.04 mho,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4309,
          "line_end": 4309,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0212",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0212",
      "label": "0.001 sec. = 1 millisecond,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "0.001 sec. = 1 millisecond,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4324,
          "line_end": 4324,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0213",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0213",
      "label": "T2 = — = 0.0005 sec. = 0.5 millisecond,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "T2 = — = 0.0005 sec. = 0.5 millisecond,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0214",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0214",
      "label": "= 0.000333 sec. = 0.33 millisecond;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "= 0.000333 sec. = 0.33 millisecond;",
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        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0215",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0215",
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      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0216",
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      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0216",
      "label": "e = e- ^'S 2000 cos 0.2 ^ + 3500 sin 0",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
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        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0217",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0217",
      "label": "i' = 140 cos 0.2 t - 80 sin 0.2 1,",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "i' = 140 cos 0.2 t - 80 sin 0.2 1,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0218",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0218",
      "label": "e' = 2000 cos 0.2 i + 3500 sin 0.2 1.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "e' = 2000 cos 0.2 i + 3500 sin 0.2 1.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0219",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0219",
      "label": "And Fig. 33 C gives the transient current, i = hki' , and the tran-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "And Fig. 33 C gives the transient current, i = hki' , and the tran-",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4366,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0220",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0220",
      "label": "28. In a circuit containing inductance and capacity, the tran-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "28. In a circuit containing inductance and capacity, the tran-",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4374,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0221",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0221",
      "label": "where Iq = maximum value of transient current, 60 = maximum",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "where Iq = maximum value of transient current, 60 = maximum",
        "modern_form": "",
        "source_ref": {
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          "line_start": 4394,
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0222",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0222",
      "label": "^^ = Jl ,^ = 1, (2)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "^^ = Jl ,^ = 1, (2)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4399,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0223",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0223",
      "label": "ii = Iq cos (0 — 7)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "ii = Iq cos (0 — 7)",
        "modern_form": "",
        "source_ref": {
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0224",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0224",
      "label": "ei = eo sm (0 — 7) )",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "ei = eo sm (0 — 7) )",
        "modern_form": "",
        "source_ref": {
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          "line_start": 4412,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0225",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0225",
      "label": "0 = 2 Tft, (4)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "0 = 2 Tft, (4)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4415,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0226",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0226",
      "label": "M = €-\"', (6)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "M = €-\"', (6)",
        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0227",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0227",
      "label": "^ = ^oe~ \"^ cos (0 — 7)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "^ = ^oe~ \"^ cos (0 — 7)",
        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0228",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0228",
      "label": "e = eoe~ ^^ sin (0 — 7)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "e = eoe~ ^^ sin (0 — 7)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4446,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0229",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0229",
      "label": "2bt t = 0 or (t> = 0:",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "2bt t = 0 or (t> = 0:",
        "modern_form": "",
        "source_ref": {
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0230",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0230",
      "label": "^ = ^o cos 7",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "^ = ^o cos 7",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4462,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0231",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0231",
      "label": "e' = —eo sin 7",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "e' = —eo sin 7",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4463,
          "line_end": 4463,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0232",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0232",
      "label": "tuting {t =F ^i) instead of t into the equations (11), where ^i is the",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "tuting {t =F ^i) instead of t into the equations (11), where ^i is the",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0233",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0233",
      "label": "V = 3X W, (12)",
      "status": "candidate",
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      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "V = 3X W, (12)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0234",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0234",
      "label": "v= y=-y (13)",
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      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
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        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4550,
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0235",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0235",
      "label": "a = -, (14)",
      "status": "candidate",
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      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
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        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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          "line_end": 4560,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0236",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0236",
      "label": "h = at', (15)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
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        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4563,
          "line_end": 4563,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0237",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0237",
      "label": "2 tt/^i = CO = 2 Trfal, (16)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "2 tt/^i = CO = 2 Trfal, (16)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4565,
          "line_end": 4565,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0238",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0238",
      "label": "we get, substituting t T k for t and 0 =F co for (/> into the equation",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4568,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0239",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0239",
      "label": "i = ce-\"' COS ((/) =F CO - 7) ) .",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "i = ce-\"' COS ((/) =F CO - 7) ) .",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0240",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0240",
      "label": "e = 2;oCe-\"' sin (0 =F co — 7) j",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "e = 2;oCe-\"' sin (0 =F co — 7) j",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4573,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0241",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0241",
      "label": "4> = 27rft ^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0242",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0242",
      "label": "is the time angle, and >- (18)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "is the time angle, and >- (18)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0243",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0243",
      "label": "CO = 2 irfal )",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4581,
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0244",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0244",
      "label": "cos cf) cos 0)^",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "cos cf) cos 0)^",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0245",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0245",
      "label": "sin 0 cos CO,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "sin 0 cos CO,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4596,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0246",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0246",
      "label": "distance angle co: (0 =t co), as in (17); or as products of functions",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "distance angle co: (0 =t co), as in (17); or as products of functions",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0247",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0247",
      "label": "In Figs. 35 and 36 are shown oscillograms of such line oscilla-",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "In Figs. 35 and 36 are shown oscillograms of such line oscilla-",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0248",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0248",
      "label": "ing to the circuit of massed capacity, / = 7= , to the value",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "ing to the circuit of massed capacity, / = 7= , to the value",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4692,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0249",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0249",
      "label": "/ = — 7= = T-^ ■ (20)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "/ = — 7= = T-^ ■ (20)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4701,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0250",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0250",
      "label": "a = VlC. (21)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "a = VlC. (21)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4705,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0251",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0251",
      "label": "Lo,Co,ro,go (22)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Lo,Co,ro,go (22)",
        "modern_form": "",
        "source_ref": {
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0252",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0252",
      "label": "(T = ll<T0, (24)",
      "status": "candidate",
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      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "(T = ll<T0, (24)",
        "modern_form": "",
        "source_ref": {
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0253",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0253",
      "label": "= VLoCo (25)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "= VLoCo (25)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4728,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0254",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0254",
      "label": "^ = 4170- (2«)",
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      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "^ = 4170- (2«)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4736,
          "line_end": 4736,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0255",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0255",
      "label": "Zo = 4/i. (27)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Zo = 4/i. (27)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4754,
          "line_end": 4754,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0256",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0256",
      "label": "Pq = avg ei = 0 (28)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Pq = avg ei = 0 (28)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4761,
          "line_end": 4761,
          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0257",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0257",
      "label": "is always zero, since voltage and current are 90 degrees apart.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "is always zero, since voltage and current are 90 degrees apart.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4763,
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          "verification": "needs-verification"
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0258",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0258",
      "label": "p = ei, (29)",
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    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0260",
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      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
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    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0261",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "evidence": {
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    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0262",
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      "source_id": "electric-discharges-waves-impulses-1914",
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    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0263",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0263",
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        "source_ref": {
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    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0264",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0265",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0265",
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    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0266",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0266",
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    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0267",
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      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0267",
      "label": "lo = vto = -.J (32)",
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      "evidence": {
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    {
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0268",
      "label": "a = (To, (33)",
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      "evidence": {
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    {
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0269",
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    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0270",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0270",
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    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0271",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0272",
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      "status": "candidate",
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      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
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        "modern_form": "",
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    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0273",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0273",
      "label": "is, the frequency /o = -. — 7- . This is called the fundamental wave",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
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    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0274",
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      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0274",
      "label": "the frequencies (2 k — l)/o, where k = 1,2,3 .. .",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
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      "evidence": {
        "original_form": "the frequencies (2 k — l)/o, where k = 1,2,3 .. .",
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    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0275",
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    },
    {
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      "status": "candidate",
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      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
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    {
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0277",
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      "status": "candidate",
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      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
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    {
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      "label": "tti cos (0 T CO — 7i) + as cos 3 (0 =F co — 73)",
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      "confidence": "source-located-ocr-candidate",
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      "evidence": {
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    {
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      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0279",
      "label": "+ a5 cos 5 (0 =F CO - 75) + . . . , (37)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0280",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0280",
      "label": "teristics, that is, e = 0 at both ends, or i = 0, the longest possible",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "teristics, that is, e = 0 at both ends, or i = 0, the longest possible",
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        "source_ref": {
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0281",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0281",
      "label": "wave has the length ?o = 2 Zi, and the frequency",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "wave has the length ?o = 2 Zi, and the frequency",
        "modern_form": "",
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0282",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0282",
      "label": "If then 0 and co again represent the time and the distance",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "If then 0 and co again represent the time and the distance",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0283",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0283",
      "label": "ai cos (0 =F CO — 7i) + a2 cos 2 (0 =F co — 72)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "ai cos (0 =F CO — 7i) + a2 cos 2 (0 =F co — 72)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0284",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0284",
      "label": "+ as cos 3 (0 =F CO - 73) + . . . , (38)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "+ as cos 3 (0 =F CO - 73) + . . . , (38)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0285",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0285",
      "label": "32. The line constants Vq, go, Lq, Cq are given per unit length,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "32. The line constants Vq, go, Lq, Cq are given per unit length,",
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        "source_ref": {
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          "line_start": 4978,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0286",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0286",
      "label": "as per cm., mile, 1000 feet, etc.",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "as per cm., mile, 1000 feet, etc.",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4979,
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0287",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0287",
      "label": "in unit time, or 3 X 10^° cm. in overhead circuits, this gives v = 1,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "in unit time, or 3 X 10^° cm. in overhead circuits, this gives v = 1,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4985,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0288",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0288",
      "label": "\"\" = ^^«^» -' ^ (39)",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "\"\" = ^^«^» -' ^ (39)",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 4988,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0289",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0289",
      "label": "about one-half what it is in the overhead line (k = 4) and coiled",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "about one-half what it is in the overhead line (k = 4) and coiled",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 5010,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0290",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0290",
      "label": "Substituting o-q = 1 in equations (30) and (31) gives",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "Substituting o-q = 1 in equations (30) and (31) gives",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0291",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0291",
      "label": "sin 0 cos CO,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "sin 0 cos CO,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 5079,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0292",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0292",
      "label": "sin 4> sin co,",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "sin 4> sin co,",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 5081,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0293",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0293",
      "label": "i = e~ \"' J ai cos </) cos co + 6i sin cf) cos co + Ci cos 0 sin co",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "i = e~ \"' J ai cos </) cos co + 6i sin cf) cos co + Ci cos 0 sin co",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0294",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0294",
      "label": "e = e- w« 5 di cos <f) cos co + W sin </> cos co + c/ cos </> sin co",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "e = e- w« 5 di cos <f) cos co + W sin </> cos co + c/ cos </> sin co",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0295",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0295",
      "label": "beginning of time, that is, for </> = 0, and by the values of i and e",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "beginning of time, that is, for </> = 0, and by the values of i and e",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 5112,
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0296",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0296",
      "label": "for CO = 0 and co = ^•",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "for CO = 0 and co = ^•",
        "modern_form": "",
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 5115,
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          "verification": "needs-verification"
        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0297",
      "person": "Charles Proteus Steinmetz",
      "collection": "steinmetz",
      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0297",
      "label": "(a) The circuit is open at one end co = 0, that is, the current",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "(a) The circuit is open at one end co = 0, that is, the current",
        "modern_form": "",
        "source_ref": {
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        }
      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0298",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0298",
      "label": "?; = 0 for CO = 0;",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "?; = 0 for CO = 0;",
        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0299",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
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      "record_type": "equation",
      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0299",
      "label": "cos 2 CO, etc., as these would not be zero for co = 0. That is, it",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "original_form": "cos 2 CO, etc., as these would not be zero for co = 0. That is, it",
        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::equation::electric-discharges-waves-impulses-1914-eq-candidate-0300",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
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      "record_id": "electric-discharges-waves-impulses-1914-eq-candidate-0300",
      "label": "a, = 0, 6i = 0, )",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
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        "modern_form": "",
        "source_ref": {
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::figure::electric-discharges-waves-impulses-1914-fig-001",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "figure",
      "record_id": "electric-discharges-waves-impulses-1914-fig-001",
      "label": "oo,o o Fig. 1. exist, which are constant, or permanent, as long as the conditions",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "figure_number": 1,
        "caption": "oo,o o Fig. 1. exist, which are constant, or permanent, as long as the conditions",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 575,
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      }
    },
    {
      "id": "electric-discharges-waves-impulses-1914::figure::electric-discharges-waves-impulses-1914-fig-002",
      "person": "Charles Proteus Steinmetz",
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      "source_id": "electric-discharges-waves-impulses-1914",
      "source_title": "Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients",
      "year": 1914,
      "record_type": "figure",
      "record_id": "electric-discharges-waves-impulses-1914-fig-002",
      "label": "]C Fig. 2. Commonly, transient and permanent phenomena are super- imposed upon each other. For instance, if in the circuit Fig. 1",
      "status": "candidate",
      "confidence": "source-located-ocr-candidate",
      "site_path": "/sources/electric-discharges-waves-impulses-1914/",
      "evidence": {
        "figure_number": 2,
        "caption": "]C Fig. 2. Commonly, transient and permanent phenomena are super- imposed upon each other. For instance, if in the circuit Fig. 1",
        "linked_concepts": [],
        "source_ref": {
          "source_id": "electric-discharges-waves-impulses-1914",
          "line_start": 612,
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          "verification": "needs-verification"
        }
      }
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