Statue to Chappe and optical telegraphy. 19th-century artwork of a statue of the French engineer Claude Chappe (1763-1805), inventor of mechanical-opt
Statue to Chappe and optical telegraphy. 19th-century artwork of a statue of the French engineer Claude Chappe (1763-1805), inventor of mechanical-optical telegraphy. His invention is seen behind him. 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 the 12th volume (second period of 1893) of the French popular science weekly 'La Science Illustree'.
Size: 3094px × 5877px
Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
Model Released: No
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