1 ene 1876 año - Alexander Graham Bell and Elias Gray
Descripción:
In 1876 Alexander Graham Bell and Elias Gray went to the New York Patent Office to sign the new invention: the telephone.This invention used the electricity to talk from a distance and to start a telephone network that dialing some numbers allowed you to communicate with people.
In less than 25 years one of fifty persons had a telephone in the United States.
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fecha:
1 ene 1876 año
Ahora mismo
~ 148 years ago
