Telephone (10 mars 1876 – 7 h 35 min, 21 oct. 2025 ans)
Description:
Alexander Graham Bell was the first to make a working telephone and use it. They were used as a system for transmitting voices over a distance using wire or radio, by converting acoustic vibrations to electrical signals.Ajouté au bande de temps:
Date:
10 mars 1876
7 h 35 min, 21 oct. 2025 ans
~ 149 years