Image / Herrold Involute Inductance

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Title: Herrold Involute Inductance
Creator: Herrold, Charles
Date Created and/or Issued: 1910-1913
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: Radio tuning device invented by Charles "Doc" Herrold. Plaque reads: "Herrold Laboratories, San Jose, Calif., Herrold Involute inductance, Patent Pending."
Type: image
Identifier: AD9B2B1E-4E0B-4DC1-8813-038200460280
2003-16
Subject: KQW (Radio station: San Jose, Calif.)
Radio broadcasting--California--San Jose
Herrold, Charles

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