1 янв 1843 г. - Government Funds Morse
Описание:
In 1843, Morse got financial support from the government to build a demonstration telegraph system 60 km (35 miles) long between Washington, D.C., and Baltimore, Md. Wires were attached by glass insulators to poles alongside a railroad.Добавлено на ленту времени:
Дата:
1 янв 1843 г.
Сейчас
~ 182 г назад