Incandescent light bulb, 1929. Thomas Alva Edison (1847-1931), American physicist and inventor, produced the first successful electric light bulb. The globe on the left is Edison's first practicable carbon filament lamp using carbonized bamboo fibres. Reverse of a medal celebrating the 50th anniversary of his invention. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 4344 px × 4020 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |