bn:04726862n
Noun Named Entity
Categories: Communication towers in France, History of telecommunications, Telegraphy, Optical communications
EN
Chappe telegraph  Chappe semaphore  Chappe semaphore ligne
EN
The Chappe telegraph was a French semaphore telegraph system invented by Claude Chappe in the early 1790s. Wikipedia
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EN
The Chappe telegraph was a French semaphore telegraph system invented by Claude Chappe in the early 1790s. Wikipedia
Semaphore line invented by Claude Chappe Wikidata
DISCOVERER OR INVENTOR
NAMED AFTER
Wikipedia
Wikidata