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History of telecommunication

technology Maturity 5-7

People find ways to talk far away.

OptischerTelegraf.jpg
OptischerTelegraf.jpg
Long ago, they used drums. They also used smoke signals. Later, they used wires and light. This helps us talk to friends. Do you like to talk on a phone?

38 words
🖼️ Images & Media (6)
File:OptischerTelegraf.jpg
OptischerTelegraf.jpg
File:Hydraulic telegraph of Aeneas Tacticus in Kotsanas Museum of Ancient Greek Technology.jpg
Hydraulic telegraph of Aeneas Tacticus in...
File:Rees's Cyclopaedia Chappe telegraph.png
Rees's Cyclopaedia Chappe telegraph.png
File:Edison Stock Telegraph Ticker.jpg
Edison Stock Telegraph Ticker.jpg
File:USPTO Telephone Patent No. 174465.jpg
USPTO Telephone Patent No. 174465.jpg
File:AT&T Picturephone - upper RH oblique view.jpg
AT&T Picturephone - upper RH oblique view.jpg
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📚 Content adapted from Wikipedia | Readability: FK 14.8 | Vital Level 5