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1 Jan 1794 Jahr - The Semaphore System

Beschreibung:

In 1794, a french man named Claude Chappe developed a system called Semaphore in which a wooden arm would sit on top of high towers and convey different messages depending on the position it is in. Messages were read by telescopic readings from 5 to 10 miles away.

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ByMolina
7 Nov 2019
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Datum:

1 Jan 1794 Jahr
Jetzt
~ 231 years ago

Abbildungen:

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