25 июл 1837 г. - Telegraph communications
Описание:
On the 25th of July, the first electrical telegraph was created. Later that year the Commer Telegraph was made which could send a message along the 13 miles of the Great Western Railway.Добавлено на ленту времени:
Дата:
25 июл 1837 г.
Сейчас
~ 188 г назад