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18 Feb 1840 Jahr - Телеграф Морзе

Beschreibung:

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

Zugefügt zum Band der Zeit:

Таймлайн истории развития телеграфа

ByАлександра

1 Nov 2018

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478

Datum:

18 Feb 1840 Jahr

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~ 185 years ago

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