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Image / "Bread board type" audion amplifier, Federal Telegraph Company

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Title
"Bread board type" audion amplifier, Federal Telegraph Company
Creator
Unknown
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
Photographic reproduction of two technical drawings. Handwritten note on reverse of one: Wiring diagram of "bread board type" 3-stage cascade audion amplifier built at Palo Alto 1913 Federal Telegraph Co. Note 2 bulbs in each stage."
Type
Image
Format
Black & White
Identifier
F968361A-21E5-4278-9199-053441448550
2003-59-395
Subject
Federal Telegraph Company
Audion
Amplifiers (Electronics) (LCSH)
Amplifiers, Vacuum-tube (LCSH)

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