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De Forest Audion Tube, circa 1908 - The Henry Ford
https://www.thehenryford.org/collections-and-research/digital-collections/artifact/170965/
Summary Dr. Lee De Forest was an inventor, engineer, and the self-styled "Father of Radio." In 1906, De Forest invented the Audion tube, allowing the detection and amplification of weak radio signals. As the first triode vacuum tube, the Audion revolutionized radio broadcasting--and made it more practical.
DeForest Audion Tube, Type D-01A, circa 1924 - The Henry Ford
https://www.thehenryford.org/collections-and-research/digital-collections/artifact/256334
Dr. Lee De Forest was an inventor, engineer, and the self-styled "Father of Radio." In 1906, De Forest invented the Audion tube, allowing the detection and amplification of weak radio signals. As the first triode vacuum tube, the Audion revolutionized radio broadcasting--and made it …
De Forest Audion Tube- Paving the Way for Radio in 1906
http://cedmagic.com/history/deforest-audion.html
1906: De Forest Audion Vacuum Tube Lee De Forest invented the Audion vacuum tube in 1906, which went on to become the most significant electronics innovation of the first half of the 20th century after its application to radio was understood and perfected.
AUDION_DeForest , Tube AUDION_DeForest; Röhre …
https://www.radiomuseum.org/tubes/tube_audion_deforest.html
Description. Prototypes of the most early three-electrode Audion tubes for Lee de Forest. Edison candelabra base, round bulb. The predecessor was the two-electrode Audion of 1906. Text in other languages (may differ) Tube prices. 9 Tube prices (visible for members only) AUDION_DeForest: eigene Röhre.
Audion Vacuum Tube - History Computer
https://history-computer.com/the-audion-vacuum-tube/
Lee De Forest designed the Audion, and it was a vacuum tube device that could magnify a small electrical signal into a bigger one. The Audion was used in everything from radios to televisions to the earliest computers, and it enabled AT&T to establish up coast-to-coast phone service.
Audion - Wikipedia
https://en.wikipedia.org/wiki/Audion
The Audion was an electronic detecting or amplifying vacuum tube invented by American electrical engineer Lee de Forest in 1906. It was the first triode, consisting of an evacuated glass tube containing three electrodes: a heated filament, a grid, and a plate. It is important in the history of technology because it was the first widely used electronic device which could amplify.
deForest Audion Tubes - RadiolaGuy.com
http://www.radiolaguy.com/Tubes/Deforest_Audion_Tubes.htm
deForest Audion Tubes rare and collector vacuum tubes for sale . HOME. FOR SALE & GALLERY: RADIOLA INFO: WHAT'S NEW: RESOURCES: LINKS: AT AUCTION: INFORMATION: CONTACT: updated 10/11/20: Ordering & Shipping Info > PLEASE READ < BEFORE ORDERING! Type 20, scarce early detector. ...
Huge Selection of DeForest Vacuum Tubes - Vacuum Tube …
http://vacuumtubeemporium.com/deforest-tubes.html
DeForest Audion DV-2 (201-A) Vacuum Tube Valve + Wood Base Ham Radio Receiver $20.95 1910s Marconi Wireless Telegraph Type V 24 WWI Deforest Audio Radio Tube Valve $333.95 Radio Tubes 01A 00A DeForest Brass Base Short Pin Globe for Collection No Test $29.99 12SA7 Tubes (6) Metal RCA Deforest Westinghouse Ken Rad $5.99
DeForest Tubular Audion - sparkmuseum.com
http://www.sparkmuseum.com/AUDION.HTM
DeForest Tubular Audion 1916 Prior to about 1915, DeForest enjoyed what was largely a monopoly position in vacuum tubes and the company was able to impose very restrictive sales policies. At the time the only way to obtain a DeForest Audion was to purchase a …
Lee De Forest: Father of Radio and Inventor of the Audion ...
https://blog.minicircuits.com/lee-de-forest-father-of-radio-and-inventor-of-the-audion/
De Forest’s Audion consisted of a glass vacuum tube containing three electrodes inside: a cathode (filament), an anode (plate), and a control grid (zigzagging wire).
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