semaphore line

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system of visual communication

Adnoddau allanol

dynodwr Iconclass	46E42
dynodwr Microsoft Academic	156073823
GND	4172671-6
Atlas Obscura ID	chappe-optical-telegraph
Den Store Danske ID	optisk_telegraf
museum-digital tag ID	1464
dynodwr Freebase	/m/015pp3^[1]
dynodwr Encyclopædia Britannica Online	technology/semaphore enwyd fel: semaphore

communications system

signal tower

Claude Chappe

1792

Gwyddoniadur Nuttall

enwyd fel: Semaphore

Meyers Konversations-Lexikon, 4th edition (1885–1890)

mae'r datganiad yn destun o: Q112801820

Semaphore

Semaphores