Image / Evacuating Ovens and Pumps at Moorhead Laboratories, 1920

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Title: Evacuating Ovens and Pumps at Moorhead Laboratories, 1920
Date Created and/or Issued: 1920/ /
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: Moorhead Laboratories, San Francisco. Evacuating ovens and pumps for radio vacuum tube production, 1920
Type: image
Identifier: 033ADD60-C844-489C-B20F-810603643526
2003-59-766
Subject: Moorhead Laboratories, Inc. (San Francisco, Calif.)
Radio--Equipment and supplies (LCSH)
Vacuum-tubes--Manufactures (LCSH)

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