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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
October 1, 2025
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Technology and Innovations in the Civil War
Category:
Иное
Обновлено:
9 мар 2020
0
0
210
Авторы
Created by
Abby Gonnella
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События
Joseph Henry sends an electric current across a distance of 1 mile
End of use of telegraph
Периоды
Portable Telegraph Development
First telegraph sent
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