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Image / Heintz and Kaufman Type 155 Gammatron, 1929-1930

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Title
Heintz and Kaufman Type 155 Gammatron, 1929-1930
Creator
Heintz & Kaufman, Ltd
Date Created and/or Issued
1929-1930
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
Type 155 Gammatron, made by Heintz and Kaufman of San Francisco. This tube, a rare example of this type of "gridless gammatron," had a plate dissipation of 150 watts and was built for the amateur market.
Type
Image
Identifier
1A8C9C7F-8BC3-4CB0-AC51-551390184088
2003-1-3
Subject
Communication
Electronic industries (LCSH)
Gammatrons
Heintz and Kaufman
Radio industry
Sound equipment & supplies
Vacuum-tubes (LCSH)
Heintz, Ralph M., Sr

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