Thomas Alva Edison, American inventor, with an early hand-driven model of his phonograph, 1878. Edison (1847-1931) was a prolific inventor who registered over 1000 patents, many of which were related to the development of electricity. His inventions, in collaboration with his staff, include the phonograph, ticker-tape machine, carbon granule microphone, incandescent light bulb and the Kinetoscope, which combined sound and vision and was a precursor of talking pictures. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 3754 px × 4653 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |