10 marzo 1876 anni - The telephone

Descrizione:

On March 10th 1876, the telephone as created. it converts sound, most effectively a human voice, into electronic signals, and is transmitted through channels and cables to reach another telephone which reproduces the sound to the receiving user. It help people learn how to operate new technology. It also made contacting friends and relatives faster and easier.

Aggiunto al nastro di tempo:

Data:

Immagini: