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Image / Lee de Forest with 1-stage audion amplifier with loud speaker

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Title
Lee de Forest with 1-stage audion amplifier with loud speaker
Date Created and/or Issued
1914/ /
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 with 1-stage audion amplifier with loud speaker.
Type
image
Format
Black & White
Identifier
BAFEE9A0-BE61-4CC5-AC9F-485153540730
2003-59-78
Subject
Amplifiers, Vacuum-tube (LCSH)
Audion
De Forest, Lee

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