Illustration of the Hughes electric printing telegraph invented by the American engineer David Edward Hughes. From 'Les Applications de la Physique' by Amedee Guillemin, Paris, 1874. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Collection Abecasis |
Bildgröße: | 3661 px × 2591 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |