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Claude Chappe
Videos
Claude Chappe was a French inventor who in 1792 demonstrated a practical semaphore system that eventually spanned all of France. His system consisted of a series of towers, each within line of sight o
Chappe
Chappe
A Chappe telegraph tower, in Narbonne, in the south of France.
A Chappe telegraph tower, in Narbonne, in the south of France.
Chappe's telegraph
Chappe's telegraph
Demonstration of the semaphore
Demonstration of the semaphore
Optical telegraph
Videos
An optical telegraph is a line of stations, typically towers, for the purpose of conveying textual information by means of visual signals. There are two main types of such systems: the semaphore teleg
Claude Chappe
…Claude Chappe (French: ; 25 December 1763 – 23 January 1805) was a French inventor who in 1792 demonstrated a practical semaphore system that eventually spanned all of France. His system consisted of a series of towers, each within line of sight of others, each supporting a wooden mast…
A replica of one of Chappe's semaphore towers in Nalbach, Germany
A replica of one of Chappe's semaphore towers in Nalbach, Germany
Illustration of signalling by semaphore in 18th-century France. The operators would move the semaphore arms to successive positions to spell out text
Illustration of signalling by semaphore in 18th-century France. The operators would move the semaphore arms to successive positions to spell out text messages in semaphore code, and the people in the next tower would read them.
An optical telegraph during World War I
An optical telegraph during World War I