Edouard Branly, French physicist, 20th century. Branly (1844-1940) was a pioneer of early radio and inventor of the coherer (1892). Obverse of commemorative medal. Artist: J-P Legastelois. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Ann Ronan Picture Library |
Bildgröße: | 3260 px × 3214 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |