Opening of wireless telegraph link between Paris and Casablanca, showing men whose work made it possible, Edouard Branly (1844-1940) and Guglielmo Marconi (1874-1937). From Le Petit Journal, Paris, 1907. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Ann Ronan Picture Library |
Bildgröße: | 2717 px × 3908 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |