Lecture 7: Flames As Illuminants
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Source Metadata
Section titled “Source Metadata”| Field | Value |
|---|---|
| Source | Radiation, Light and Illumination |
| Year | 1909 |
| Section ID | radiation-light-and-illumination-lecture-07 |
| Location | lines 6609-7140 |
| Status | candidate |
| Word Count | 3110 |
| Equation Candidates In Section | 16 |
| Figure Candidates In Section | 0 |
| Quote Candidates In Section | 0 |
Opening Source Excerpt
Section titled “Opening Source Excerpt”LECTURE VII. FLAMES AS ILLUMINANTS. 56. Two main classes of illuminants exist: those producing radiation by the conversion of the chemical energy of com- bustion— the flames — and those deriving the energy of radia- tion from electric energy — the incandescent lamp and the arc lamp, and other less frequently used electric illuminants. Flames. To produce light from the chemical energy of combustion, almost exclusively hydrocarbon flames are used, as the gas flame, the candle, the oil lamp, the gasolene and kerosene lamp, etc.; that is, compounds of hydrogen and carbon or of hydrogen, carbon and some oxygen are burned. The hydrogen, H, com- bines with the oxygen, 0, of the air to water vapor, H20, and the carbon, C, with the oxygen of the air, to carbon dioxide, C02; or, if the airSource-Located Theme Snippets
Section titled “Source-Located Theme Snippets”Radiation / light
Section titled “Radiation / light”LECTURE VII. FLAMES AS ILLUMINANTS. 56. Two main classes of illuminants exist: those producing radiation by the conversion of the chemical energy of com- bustion— the flames — and those deriving the energy of radia- tion from electric energy — the incandescent lamp and the arc lamp, and other less frequently used electric illuminants. Flames. To produce light from the chemic ...Chapter-Local Concept Hits
Section titled “Chapter-Local Concept Hits”| Concept Candidate | Hits In Section | Status |
|---|---|---|
| Light | 39 | seeded |
| Radiation | 23 | seeded |
| Luminescence | 5 | seeded |
| Illumination | 4 | seeded |
| Spectrum | 3 | seeded |
| Brilliancy | 1 | seeded |
| Ultra-violet radiation | 1 | seeded |
Chapter-Local Glossary Hits
Section titled “Chapter-Local Glossary Hits”| Term Candidate | Hits In Section | Status |
|---|---|---|
| ultra-violet | 3 | seeded |
| brilliancy | 1 | seeded |
Equation Candidates
Section titled “Equation Candidates”| Candidate ID | OCR / PDF-Text Candidate | Source Location |
|---|---|---|
radiation-light-and-illumination-eq-candidate-0174 | Thus methane, CH4, does not give a luminous flame, since it con- | line 6663 |
radiation-light-and-illumination-eq-candidate-0175 | carbon atom. Ethane, C2H6, with a = 3, still gives a luminous | line 6879 |
radiation-light-and-illumination-eq-candidate-0176 | side, the gasolene flame, a = 2.33, is slightly smoky. However, | line 6881 |
radiation-light-and-illumination-eq-candidate-0177 | flame of the parafnne candle a = 2.08 is still smokeless but | line 6885 |
radiation-light-and-illumination-eq-candidate-0178 | J in. or less diameter, even acetylene, a = 1, gives smokeless | line 6887 |
radiation-light-and-illumination-eq-candidate-0179 | gives smokeless flames even up to b = 50, or one carbon atom | line 6893 |
radiation-light-and-illumination-eq-candidate-0180 | to two hydrocarbon atoms, a = 2. | line 6894 |
radiation-light-and-illumination-eq-candidate-0181 | Thus kerosene, which, due to its high carbon content a = 2.14, | line 6896 |
Figure Candidates
Section titled “Figure Candidates”| Candidate ID | OCR / PDF-Text Candidate | Source Location |
|---|---|---|
| No chapter-local candidates yet | - | - |
Hidden-Gem Quote Candidates
Section titled “Hidden-Gem Quote Candidates”| Candidate ID | Candidate Passage | Source Location |
|---|---|---|
| No chapter-local candidates yet | - | - |
Modern Engineering Reading Prompts
Section titled “Modern Engineering Reading Prompts”- 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”- 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
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