Chappe Optical Telegraph
The optical telegraph of Claude Chappe and his brother, erected on the Eglise de Montmartre, is tested by the French authorities and his system is widely adopted
Picture No
12004522
Media ID
45541994
Size
2790px x 3807px
(6.6MB)
Credit
Mary Evans Picture Library
Source
unnamed artist in Le Petit Journal 1 December 1901
Date
12 July 1793
