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| View Original: | Incandescent light, unknown manufacturer, zigzag filament, c. 1895 - DSC06549.JPG (3240x4320) | |||
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| Courtesy of: | commons.wikimedia.org | More Like This | ||
| Keywords: Incandescent light, unknown manufacturer, zigzag filament, c. 1895 - DSC06549.JPG Light bulb exhibited in the Franklin Institute Philadelphia Pennsylvania USA I took this photograph 2011-10-20 11 03 51 Daderot Light bulbs in the Franklin Institute Light bulb filaments | ||||
