Cowper's Writing Telegraph
A diagram of Cowpers writing telegraph. Invented in 1878 by William Cowper (1819 - 1893), the machine was able to reproduce a message written some distance away by a process of interrupted electrical currents. This principle extended to recreating a hand-written message as a pencil transposed the movements of the current
Picture No
10215511
Media ID
46033412
Size
3484px x 5020px
(3.7MB)
Credit
© Illustrated London News Ltd/Mary Evans
Source
The Illustrated London News, 15 November 1879, page 465
Date
1879
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