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18 fev 1840 ano - Телеграф Морзе

Descrição:

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

Adicionado na linha do tempo:

Таймлайн истории развития телеграфа

ByАлександра

1 nov 2018

0

0

478

Data:

18 fev 1840 ano

Agora

~ 185 years ago

Geo-tags:

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