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18 févr. 1840 - Телеграф Морзе

Description:

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

Ajouté au bande de temps:

Таймлайн истории развития телеграфа

ByАлександра
1 nov. 2018

Date:

18 févr. 1840
Maintenaint
~ Il y a 184 ans

Géo-repères:

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