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Category:Semaphore telegraphs

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A replica of a semaphore telegraph developed by Claude Chappe - Image by Lokilech
A replica of a semaphore telegraph developed by Claude Chappe - Image by Lokilech

A kind of optical telegraphy in which information is communicated through towers with moving moving arms whose position expresses symbols, today can also refer to flag semaphore systems

Media in category "Semaphore telegraphs"

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