30 déc. 1875 - the tel
Description:
On March 7, 1876, 29-year-old Alexander Graham Bell receives a patent for his revolutionary new invention: the telephone. The Scottish-born Bell worked in London with his father, Melville Bell, who developed Visible Speech, a written system used to teach speaking to the deaf.https://www.youtube.com/watch?v=j3RbnsHTuVw
Ajouté au bande de temps:
Date:
30 déc. 1875
Maintenaint
~ Il y a 149 ans