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10h 34min, jan 11, 1838 y - Telegram
Description:
First use of the telegram sent by morse code, across two miles (3km) of wire at Speedwell Ironworks near Morristown, New Jersey
Added to timeline:
11 Nov 2019
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Communication History
Date:
10h 34min, jan 11, 1838 y
Now
~ 186 years ago