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4 sept. 1837 - Состоялась публичная демонстрация телеграфа Морзе

Ajouté au bande de temps:

Морзе

ByЕкатеринв
7 oct. 2018
0
0
471

Date:

4 sept. 1837
Maintenaint
~ Il y a 188 ans
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