Edison filament.diag nps.gov.jpg
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Drawing of a Light Bulb
Notebook Page Experiment No. 1, Drawing of a Light Bulb with a Horseshoe Filament; February 13, 1880. Image Credit: Historic Photographs, Edison National Historic Site
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:45, 20 April 2013 | | 1,200 × 1,840 (235 KB) | Maintenance script (talk) | Importing image file |
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