Diagram of Cooke and Wheatstone's five-needle
Diagram of Cooke and Wheatstone's five-needle telegraph. Patented 1837, installed 1839. Engraving
Picture No
13919571
Media ID
48379595
Size
6000px x 9758px
(2.9MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive





























