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18 feb 1840 año - Телеграф Морзе

Descripción:

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

Añadido al timeline:

Таймлайн истории развития телеграфа

ByАлександра

1 nov 2018

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478

fecha:

18 feb 1840 año

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~ 185 years ago

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