Image / Polarised vacuum relay Type F-106-A

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Title: Polarised vacuum relay Type F-106-A
Creator: Federal Telegraph Company (Palo Alto, Calif.)
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: T-shape tube, solenoid coil missing. "Pat. Pending" etched on glass under manufacturer info. FTC logo. Number 4600 stamped on inside component.
Type: image
Identifier: AC5CFB49-D671-4F9C-9635-831202139295
2003-1-867
Subject: Vacuum-tubes
Nineteen forties
Federal Telegraph Company
Nineteen thirties
Electric relays
Electric switches

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