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31 март 1828 г. - The First Telegraph is Created

Описание:

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.

Добавлено на ленту времени:

1750-1900

BySophie Holohan -20
27 мар 2018
2
0
902

Дата:

31 март 1828 г.
Сейчас
~ 197 г назад
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