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jan 1, 1840 - Telegraph

Description:

System of communication employing electronical apparatus to transmit and receive signals. Developed in the 1830s and 1840s by Samuel Morse (1791-1872) and other inventors, the telegraph revolutionized long-distance communication.

Added to timeline:

14 Dec 2019
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426

Date:

jan 1, 1840
Now
~ 185 years ago

Images: