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. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Heritage Images / Ann Ronan Picture Library |
Taille de l’image : | 3260 px × 3214 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |