Mechanical calculating machine designed by Chateau and known as the 'Dactyl'. From La Nature, Paris, 1904. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Universal Images Group / Universal History Archive |
Bildgröße: | 6078 px × 3451 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |