1 ч 42 мин, 1 янв 1677 г. - First phone
Описание:
1. Break through was important because we now can make long distance phone calls and communicate fast.2. Robert Hooke in 1677
3. Created a way to communicate with out having to write.
4. changed the way communcation happened
creates an acoustic string telephone
Добавлено на ленту времени:
Дата:
1 ч 42 мин, 1 янв 1677 г.
Сейчас
~ 347 г назад
