4 окт 1877 г. - Alexander Graham Bell
Описание:
Alexander Graham Bell is most famous for his invention of the telephone. He first became interested in the science of sound because both his mother and wife were deaf. He was first and, as a result, Bell and his investors had a valuable patent that would change the world. They formed the Bell Telephone Company in 1877.Добавлено на ленту времени:
Дата:
4 окт 1877 г.
Сейчас
~ 148 г назад