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"Plans for Radio Treasure Finder," Dr. Gerhard R. Fisher, ca. 1938

Gerhard R. Fisher1936/1940

History San José

History San José
San Jose, United States

This article in Radio for Everybody magazine details the Metallascope, or "M-Scope", a portable metal detector invented by Dr. Gerhard R. Fisher of Palo Alto, California, and manufactured by Fisher Laboratories. An original M-Scope is part of the Perham Collection.

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  • Title: "Plans for Radio Treasure Finder," Dr. Gerhard R. Fisher, ca. 1938
  • Creator: Gerhard R. Fisher
  • Date: 1936/1940
  • Location: Palo Alto (Calif.)
  • Physical Dimensions: Paper
  • Provenance: Perham Collection of Early Electronics, History San José
  • Type: text
  • Contributor: L. J. Marcus, Editor
History San José

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