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2 янв 1846 г. - Morse's patent is threatened by new telegraph companies
Описание:
Morse was fighting to be the sole inventor of the telegraph, and did not appreciate the appearance of new companies
Добавлено на ленту времени:
Morse Code and the Telegraph
By
Callum Walker
6 сен 2018
0
0
556
Дата:
2 янв 1846 г.
Сейчас
~ 178 г назад
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