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In 1844, Chess Was Already Online
11 Dec 2025 20:56 GMT
… and darkness compared favorably with optical telegraphy. Such systems, popular in France …
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Chappe telegraph in Sint-Gillis-Waas becomes Flemish masterpiece
04 Dec 2025 16:54 GMT
… in the 19th century made optical telegraphs obsolete. From 1855 onwards, electric …
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The Ancient Greeks Built the World’s First Telegraph System—1,600 Years Before Morse Code
25 Oct 2025 00:34 GMT
… the 19th century. However, the optical telegraph, also known as a semaphore …
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Wireless communication
09 Sep 2025 05:14 GMT
… in "tele-"): the optical telegraph, invented by Claude Chappe and … . Field wrote in "French Optical Telegraphy, 1793-1855: Hardware, Software, Administration …
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The eyes and fists of our coastal defences
29 Aug 2025 19:04 GMT
… next, like a modern-day optical telegraph.
The sergeant in charge was …
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Fear and Trembling in the Garrison
11 Aug 2025 12:20 GMT
… toe” for “some small, incongruous optical telegraphic message from the infinite” but …
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The Byzantine Emperor Who Revolutionized Automation With His Rising Throne
06 Mar 2025 00:21 GMT
… gimmicks. He even developed an optical telegraph system that stretched across Anatolia …
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Why the Eiffel Family and Others Don’t Like the Plan to Keep Olympic Rings on the Eiffel Tower
02 Sep 2024 11:15 GMT
… purposes, including meteorological research and optical telegraph communications. It was designated as …
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National Heritage Week presentation in Longford
02 Aug 2024 08:06 GMT
… of his inventions was the optical telegraph, sometimes called the ‘tellograph’. The … telephones were invented.
Edgeworth’s optical telegraph sent messages over long distances … idea.
Despite this, Edgeworth’s optical telegraph was a pioneering attempt at …
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David Trotter: You have been warned
10 Jul 2024 18:43 GMT
… by means of a portable optical telegraph to a yacht offshore, and … good a method as an optical telegraph or a wireless set. We …