Morse telegraph operating room, Cincinnati, Ohio, USA, 1859. From The Telegraph Manual, by TP Shaffner. (New York 1859). Credit Smithsonian Institution, Washington DC. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 5356 px × 3261 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |