Picture No | 10215511 |
Date | 1879 |
Description | Cowper's Writing Telegraph |
Details |
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.
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Source | The Illustrated London News, 15 November 1879, page 465 |
Credit | © Illustrated London News Ltd/Mary Evans |
Restrictions |
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