Eduoard Branly (1844-1940) French physicist. Early
Eduoard Branly (1844-1940) French physicist. Early radio. Inventor of Coherer. Obverse of commemorative medal
Picture No
13905577
Media ID
48430009
Size
6000px x 5915px
(2.4MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive





























