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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
By
Александра
1 nov 2018
0
0
322
Data:
18 fev 1840 ano
Agora
~ 184 years ago
Geo-tags:
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