Thomas Alva Edison's first Phonograph, 1878 (1915). In this model the cylinder on which the sound was recorded had to be rotated by hand. The instrument is shown in recording mode. The horn fitted for playing back a recording is on the right. Cigarette card. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 5696 px × 3063 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |