Opening of the London to Paris telegraph link, 1852. The instrument room at the Submarine Telegraph Company, Cornhill, London, showing a Wheatstone needle telegraph instrument. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 3930 px × 2664 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |