30
/fr/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
2106357
175829
2

1 janv. 1887 - Radio

Description:

Amplitude and frequency modulated radio waves were used to transmit voice and music.

Ajouté au bande de temps:

Date:

1 janv. 1887
Maintenaint
~ Il y a 137 ans