31 dic 1888 año - PAY PHONE PATENT
Descripción:
The coin-operated telephone was patented by William Gray of Hartford, Connecticut. After the first coin-operated telephone was installed, the use of these phones increased really fast.Actually by the time of 1905, there were about 100,000 pay phones in the U.S.
Añadido al timeline:
fecha:
31 dic 1888 año
Ahora mismo
~ 135 years ago
