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1 h 30 min, 24 mai 1844 ans - Telegraph Invented

Description:

Samuel Morse invented the telegraph. It used electricity to send messages across long distances quickly. First message was "What hath God Wrought". Morse code was used to interpret signals from the telegraph.

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Innovations in Communication

ByKellen Clowe
9 nov. 2017
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501

Date:

1 h 30 min, 24 mai 1844 ans
Maintenaint
~ Il y a 181 ans
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