33
/pt/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
67091
4599
2
Public Timelines
FAQ Receber premium

14 jan 1912 ano - radio signal amplifier devised is created by students in Columbia university electrical engineering.

Adicionado na linha do tempo:

Data:

14 jan 1912 ano
Agora
~ 113 years ago