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Telegraphy

technology Maturity 5-7

People send notes from far away.

Chappe semaphore.jpg
Chappe semaphore.jpg
They use signs to talk. You can use flags or lights. This helps people share news fast. It is like magic! Can you send a secret sign?

35 words
🖼️ Images & Media (24)
File:OptischerTelegraf.jpg
OptischerTelegraf.jpg
File:20090529 Great Wall 8219.jpg
20090529 Great Wall 8219.jpg
File:Construction-pruss-opt-tele.png
Construction-pruss-opt-tele.png
File:Chappe semaphore.jpg
Chappe semaphore.jpg
File:Telegraph-2.jpg
Telegraph-2.jpg
File:Cooke and Wheatstone electric telegraph.jpg
Cooke and Wheatstone electric telegraph.jpg
File:Morsetaste.jpg
Morsetaste.jpg
File:GWR Cooke and Wheatstone double needle telegraph instrument.jpg
GWR Cooke and Wheatstone double needle...
File:Block instrument.jpg
Block instrument.jpg
File:Australian Heliograph in Egyptian Desert 1940.png
Australian Heliograph in Egyptian Desert 1940.png
File:11903A LO with Heliograph CA 1912 (22762702845).jpg
11903A LO with Heliograph CA 1912...
File:Clavier Baudot.jpg
Clavier Baudot.jpg

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📚 Content adapted from Wikipedia | Readability: FK 12.1 | Vital Level 4