Combination detector and one stage amplifier, major components of a build-it-yourself radio receiving set, from the Signal Electric Mfg. Co. of Chicago. Published in the October, 1922 issue of RADIO NEWS.



Source: Magazine collector Steve Davis

Restoration by: magscanner

Created on

Friday 26 February 2010

Posted on

Friday 26 February 2010

Tags

construction, efficiency, quality, reception, wireless

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• Advertising Art in Magazines / Radio, Television, Phonographs, and Recordings / Radio Experimenters and Constructors

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