Image / Gammatron 4E27/257-B pentode

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Title: Gammatron 4E27/257-B pentode
Creator: Heintz & Kaufman, Ltd
Date Created and/or Issued: 1945/06/
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: New-in-box tube, manufactured for the U.S. Army and Navy. Serial No. 61296. Box is date-stamped June 16, 1945. Tube socket is labeled JAN-CKH-4E27. According to a 1946 datasheet, this is a 75-watt, radiation-cooled pentode with very high frequency performance. For use as an amplifier and transmitter. Datasheet attached to record.
Type: image
Identifier: 475279B2-E733-4045-94A9-222402934050
2003-1-760
Subject: Heintz and Kaufman
Gammatrons
Vacuum-tubes (LCSH)
Nineteen forties (LCSH)
United States. Army
Defense contracts
Communications, Military (LCSH)

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