Image / First de Forest triodes, minus write-up, 1906-1908

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Title: First de Forest triodes, minus write-up, 1906-1908
Date Created and/or Issued: 1957/ /
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: Three of de Forest's early triodes, on display at the Cavalcade of Electronics. The exhibit label for the tubes can be seen in photo #255.
Type: Image
Format: Black & White, Gelatin Silver Print
Identifier: 456EBA88-1A9F-4831-8AA9-153484111917
2003-59-256
Subject: Audion
Vacuum-tubes (LCSH)
Amplifiers (Electronics) (LCSH)
Electronics--History (LCSH)
Exhibitions
De Forest, Lee

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