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Incandescent - Tungsten Filament
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Updated
24-IV-2010 |
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| | Squirted & Sintered Tungsten Filament |
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GE |
40W |
| Sintered Tungsten with Frosted Crown |
| 1909 |
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| | Drawn Tungsten Filament |
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GEC |
40W |
| Osram Drawn Tungsten "Angle" Type |
| 1911 |
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| | Coiled Tungsten Filament |
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GE-Edison |
500W |
| Mazda 'C' Early Style 500W Gasfilled |
| 1915 |
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Philips |
100W |
| Tungsten Gasfilled HalfWatt |
| 1919 |
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| | Infrared Recylcing Coating |
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Duro-Test |
65W |
| Tungsten Gasfilled with IRC Coating |
| c. 1980 |
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