Dumeny's phonoscope. This series of stills a man of a man speaking were fixed to the edge of a circular card. When this was turned and viewed through a slit it gave the appearance of a continuous picture. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Universal Images Group / Universal History Archive |
Bildgröße: | 3872 px × 5417 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |