Telephone (31 janv. 1876 – 31 janv. 2018)
Description:
 Telephones were a system for transmitting voices over a distance using wire or radio, by converting acoustic vibrations to electrical signals. Alexander Graham Bell was the first to make a telephone and use it. 
Ajouté au bande de temps:
Date:
31 janv. 1876
31 janv. 2018
 ~ 142 years