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21 out 1832 ano - Изобретение электромагнитного телеграфа стрелочного типа

Descrição:

Публичная демонстрация работы аппарата состоялась в квартире Шиллинга 21 октября 1832 года.

Adicionado na linha do tempo:

Информационные революции

ByKaiman
19 dez 2022
0
0
148

Data:

21 out 1832 ano
Agora
~ 191 years ago
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