Image / Dr. Lee de Forest and the "Audion"

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Title: Dr. Lee de Forest and the "Audion"
Contributing Institution: History San Jose Research Library
Collection: History San Jose Online Catalog
Rights Information: Please contact the contributing institution for more information regarding the copyright status of this object.
Description: Electronics inventor Lee de Forest with an example of his 1906 three-element vacuum tube, or "Audion," his most important contribution to modern electronics. Later developments in vacuum tube design and long-distance telephony (voice transmission) were based on this device.
Type: image
Format: Black & White
Identifier: 385351E0-4397-404A-9534-071771511353
2003-59-131
Subject: Amplifiers, Vacuum-tube (LCSH)
Audion
Vacuum-tubes--History (LCSH)
Radio--History (LCSH)
De Forest, Lee

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