Image / Lee de Forest, with his 1906 Audion tube, in 1925

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Title: Lee de Forest, with his 1906 Audion tube, in 1925
Creator: Unknown
Date Created and/or Issued: 1925/05/19
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: Lee de Forest poses in May 1925 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 sound transmission were based on this device.
Type: image
Format: Black & White
Identifier: 93FF34F9-67D4-4E0A-8D14-294428885891
2003-59-50
Subject: Audion
Vacuum-tubes (LCSH)
De Forest, Lee

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