33
/ru/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
3643011
332597
2
Public Timelines
FAQ Получить премиум

4 апр 1774 г. - Electrostatic Telegraph

Описание:

Georges Louis Lesage patents the electric telegraph. Electric Telegraph uses electric signals to send communication via radio or line. The telegraph had a separate wire for each of the 26 letters of the alphabet and its range was only between two rooms of his home.

Добавлено на ленту времени:

5 янв 2020
0
0
340

Дата:

4 апр 1774 г.
Сейчас
~ 251 г назад

Изображения: