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The Armstrong super-regenerative circuit (1922)

Eltz, George Jacob, b. 1893 · New York, N.Y. : Radio Directory and Pub. Co. · leaf 55

An illustration from The Armstrong super-regenerative circuit, 1922, leaf 55
f constructionmay be followed or any other which will provide from 6 to 10 wireson a frame about 2^2 feet square with the wire spaced about %, ofan inch apart. The Super-Regenerative receiver used in conjunc-tion v^^ith a CW or telephone transmitting set makesan ideal station for the amateur. Mr.… … A Book you can^t afford to he without Complete list of all AmateurStations, Special Amateur andBroadcasting Stations of theNine Districts in the UnitedStates. Mailed or at your dealer Price One Dollar Radio Directory & Publishing Co.…

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