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18 feb 1840 anni - Телеграф Морзе

Descrizione:

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

Aggiunto al nastro di tempo:

Таймлайн истории развития телеграфа

ByАлександра

1 nov 2018

0

0

478

Data:

18 feb 1840 anni

Adesso

~ 185 years ago

Geo-marchi:

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