File:De Forest RJ6 Audion radio receiver.jpg - Wikimedia Commons
Audión - Wikipedia, la enciclopedia libre
Lee De Forest - Engineering and Technology History Wiki
Lee de Forest - Wikipedia
Lee de Forest | American inventor | Britannica
Lee de Forest | American inventor | Britannica
Mini-Circuits - Lee De Forest is considered one of the “fathers of radio” for his invention of a device called the Audion, which allowed sound and speech to be broadcast over radio
Historia de las Telecomunicaciones. Biografía de Lee De Forest.
Archivo:De Forest Audion AM radio transmitters.jpg - Wikipedia, la enciclopedia libre
Audión - Wikipedia, la enciclopedia libre
Lee de Forest | American inventor | Britannica
Lee De Forest - Wikipedia, la enciclopedia libre
Lee DE Forest.org
Lee De Forest, Pioneer Broadcaster - Radio World
File:Lee De Forest and Audion transmitter.jpg - Wikimedia Commons
Lee de Forest y sus inventos (válvula electrónica)
Lee de Forest: King of Radio, Television and Film | Metro Silicon Valley | Silicon Valley's Leading Weekly
Biografía de Lee De Forest (Su vida, historia, bio resumida)
Lee De Forest, Pioneer Broadcaster - Radio World
Lee DE Forest.org
Lee De Forest
The man who invented radio | Old Yale | Yale Alumni Magazine
Lee De Forest - Magnet Academy
