Image / De Forest Ultraudion Detector

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Title: De Forest Ultraudion Detector
Date Created and/or Issued: 1916/ /
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: From Gerald F. J. Tyne, with note on reverse: #6019. Advertisement copied from Nov. 1916 QST. "There is only one audion, the de Forest" ad for the De Forest Ultraudion Detector for damped and undamped waves, from the DeForest Radio Telephone & Telegraph Company, 101 Park Avenue, New York. Photos of the Type UJ1 DeForest Ultraudion Detector, and the Genuine DeForest Tubular Audion.
Type: Image
Format: Black & White
Identifier: DB909C34-FDAF-47D1-B3E7-202794616642
2003-59-354
Subject: De Forest Radio Telephone & Telegraph Co
Audion
Radio--Receivers and reception (LCSH)
Radio detectors (LCSH)

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