Chappe telegraph system. Historical illustration of one of the optical telegraph stations established by French engineer Claude Chappe (1763-1805). In
Chappe telegraph system. Historical illustration of one of the optical telegraph stations established by French engineer Claude Chappe (1763-1805). In the 1790s, Chappe established a chain of 22 tower stations spanning the 193-kilometre stretch from Paris to Lille. Messages were transmitted between the stations using semaphore arms. A message could be sent between the two cities in under 6 minutes, rather than taking 30 hours by courier on horseback. Artwork from 'Electricite' (1911) by Max de Nansouty, part of the 'Les merveilles de la science' series of 1867-1891 by Louis Figuier.
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Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
Model Released: No
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