Image / Eimac 4X250 power tetrode cutaway

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Title: Eimac 4X250 power tetrode cutaway
Creator: Eitel-McCullough, Inc. (San Carlos, Calif.)
Date Created and/or Issued: 1955-1965
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: Cutaway of a 4X250 power tetrode, likely manufactured by Eitel-McCullough, encased in amber resin/plastic. The 4X250 line of UHF tetrodes are ceramic with glass base, 9-pin special base, forced-air-cooled, with brazed external anode.
Type: image
Identifier: 48FFFDE5-3B0E-4AC9-B4C0-808110030210
2003-1-825
Subject: Eitel-McCullough, Inc
Vacuum-tubes
Nineteen fifties
Nineteen sixties
Tetrodes

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