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31 marzo 1828 anni - The First Telegraph is Created

Descrizione:

Created by Harrison Dyar. It is bettered in 1835 by Samuel Morse who explains that the signals could be transmitted with wires. Was funded in 1838 (30,000) to create a line from Washington to Baltimore.

Aggiunto al nastro di tempo:

1750-1900

BySophie Holohan -20
27 mar 2018
2
0
896

Data:

31 marzo 1828 anni
Adesso
~ 197 years ago
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