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feb 18, 1840 - Телеграф Морзе

Description:

А в США электромагнитный телеграф запатентовал Сэмюэл Морзе в 1840 году.

Added to timeline:

Таймлайн истории развития телеграфа

ByАлександра

1 Nov 2018

0

0

472

Date:

feb 18, 1840

Now

~ 185 years ago

Geo:

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