33
/pt/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
2294454
191602
2
Public Timelines
FAQ

22 ago 1880 ano - Invention of the photophone

Descrição:

Alexander Graham Bell and Thomas Edison came up with the Photophone. It could transfer sound, but they aimed for it to do the same with pictures at a higher quality.

Adicionado na linha do tempo:

Data:

22 ago 1880 ano
Agora
~ 145 years ago