Theory Section 20: Nomenclature
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Source Metadata
Section titled “Source Metadata”| Field | Value |
|---|---|
| Source | Theoretical Elements of Electrical Engineering |
| Year | 1915 |
| Section ID | theoretical-elements-electrical-engineering-section-20 |
| Location | lines 7991-8291 |
| Status | candidate |
| Word Count | 323 |
| Equation Candidates In Section | 0 |
| Figure Candidates In Section | 0 |
| Quote Candidates In Section | 0 |
Opening Source Excerpt
Section titled “Opening Source Excerpt”20. NOMENCLATURE 93. The following nomenclature and symbols of the quantities most frequently used in electrical engineering appears most satisfactory, and is therefore recommended. It is in agreement with the Standardization Rules of the A. I. E. E., but as far as possible standard letters have been used, and script letters avoided as impracticable or at least inconvenient in writing and still more in typewriting. Therefore F has been chosen for m.m.f., and dielectric field intensity changed to K. Also, a few symbols not contained in the Standardization Rules had to be added. NOMENCLATURE TABLE OP SYMBOLS 119 Symbol Name Unit Character E, e. Voltage Volt Electrical I, i. . Potential difference Electromotive force Current Ampere Electrical R,r Resistance Ohm Electrical x Reactance Ohm Electrical Z,z... Impedance Ohm Electrical a Conductance Mho Electrical b SusceptanceSource-Located Theme Snippets
Section titled “Source-Located Theme Snippets”Magnetism
Section titled “Magnetism”... ce Ohm Electrical x Reactance Ohm Electrical Z,z... Impedance Ohm Electrical a Conductance Mho Electrical b Susceptance Mho Electrical Y,y p Admittance Resistivity Mho Ohm-centimeter Electrical Electrical 7 $ Conductivity Magnetic flux Mho-centimeter Line; kiloline; megaline Electrical Magnetic £....... H Magnetic density Magnetic field inten- Lines per cm.2; kilo- lines per cm.2 Lines per cm 2 Magnetic Magnetic /* • • sity Permeability (magnetic M ...Dielectricity / capacity
Section titled “Dielectricity / capacity”... Rules of the A. I. E. E., but as far as possible standard letters have been used, and script letters avoided as impracticable or at least inconvenient in writing and still more in typewriting. Therefore F has been chosen for m.m.f., and dielectric field intensity changed to K. Also, a few symbols not contained in the Standardization Rules had to be added. NOMENCLATURE TABLE OP SYMBOLS 119 Symbol Name Unit Character E, e. Voltage Volt Electrical I, i. . Potential differ ...Impedance / reactance
Section titled “Impedance / reactance”... Rules had to be added. NOMENCLATURE TABLE OP SYMBOLS 119 Symbol Name Unit Character E, e. Voltage Volt Electrical I, i. . Potential difference Electromotive force Current Ampere Electrical R,r Resistance Ohm Electrical x Reactance Ohm Electrical Z,z... Impedance Ohm Electrical a Conductance Mho Electrical b Susceptance Mho Electrical Y,y p Admittance Resistivity Mho Ohm-centimeter Electrical Electrical 7 $ Conductivity Magnetic flux Mho-centimeter Line ...Field language
Section titled “Field language”... the A. I. E. E., but as far as possible standard letters have been used, and script letters avoided as impracticable or at least inconvenient in writing and still more in typewriting. Therefore F has been chosen for m.m.f., and dielectric field intensity changed to K. Also, a few symbols not contained in the Standardization Rules had to be added. NOMENCLATURE TABLE OP SYMBOLS 119 Symbol Name Unit Character E, e. Voltage Volt Electrical I, i. . Potential difference E ...Chapter-Local Concept Hits
Section titled “Chapter-Local Concept Hits”| Concept Candidate | Hits In Section | Status |
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| Frequency | 1 | seeded |
| Magnetic permeability | 1 | seeded |
Chapter-Local Glossary Hits
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Equation Candidates
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Figure Candidates
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Hidden-Gem Quote Candidates
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Modern Engineering Reading Prompts
Section titled “Modern Engineering Reading Prompts”- Magnetism: Track flux, reluctance, permeability, magnetizing force, and loss language against modern magnetic-circuit terminology.
- Dielectricity / capacity: Check whether the passage treats capacity, condensers, displacement, or dielectric stress as field storage rather than only circuit algebra.
- Impedance / reactance: Translate historical opposition terms into modern impedance, admittance, conductance, susceptance, and complex-plane notation.
- Field language: Read for whether field language is mechanical, geometrical, causal, descriptive, or simply a convenient engineering model.
- Radiation / light: Compare the chapter’s radiation vocabulary with modern electromagnetic radiation, spectral frequency, wavelength, absorption, and illumination engineering.
Ether-Field Interpretive Boundary
Section titled “Ether-Field Interpretive Boundary”- Magnetism: Centrifugal/divergent magnetic-field readings are interpretive overlays, not automatic historical claims.
- Dielectricity / capacity: A Wheeler-style reading may emphasize dielectric compression, field stress, and stored potential, but this page treats that as interpretation unless Steinmetz explicitly says it.
- Field language: Field-pressure or field-gradient interpretations can be explored here only after the explicit source passage and modern engineering translation are kept distinct.
- Radiation / light: Radiation and wave language can invite ether-field comparison, but source wording, modern radiation theory, and speculative synthesis must stay separated.
Promotion Checklist
Section titled “Promotion Checklist”- Open the full source text and the scan or raw PDF.
- Verify the chapter boundary and surrounding context.
- Promote exact quotations only after checking the source image.
- Move mathematical candidates into canonical equation pages only after formula typography is corrected.
- Move diagram candidates into the diagram archive only after image extraction, crop verification, and manifest creation.
- Keep Steinmetz wording, modern translation, and ether-field interpretation in separate labeled layers.