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3 март 1843 г. - Congress grants $30 000 to Morse

Описание:

Congress grants $30 000 to Morse for a telegraph line between Washington, D.C and Baltimore, Maryland.

Добавлено на ленту времени:

Morse Code and the Telegraph

ByCallum Walker
6 сен 2018
0
0
556

Дата:

3 март 1843 г.
Сейчас
~ 181 г назад
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