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Description
Photo of Moorhead Laboratories building, the "Largest exclusive manufacturers of vacuum valves in the world," with executive offices at 519 Call Building and Laboratories at 638-640 Mission Street, San Francisco, California. Used in a company brochure dated August 1919. Three copies and two negatives
Type
image
Identifier
C899AE01-BD40-4D8F-99B0-093432230739 2003-33-133
Subject
Tubes, Vacuum Moorhead Laboratories, Inc. (San Francisco, Calif.) Radio--Equipment and supplies (LCSH) Radio--Equipment and supplies and supplies (LCSH)
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