Uncle John's Collection

Antique Radios, Clocks & Cameras

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The Collin B. Kennedy Co. 'Type 220' 1921 $999

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The Collin B. Kennedy Co. 'Type 220' 1921 $999
Model: 220 Intermediate Wave Regenerative Receiver; Broadcast, Long Wave and Short Wave; The 220 "Intermediate Wave Regenerative Receiver" works on a rather simple principle and the linked text "Regenerative Receiver and Amplifier" shows some details and the differences to other circuits for AM radio reception. The "Intermediate Wave Regenerative Receiver" here has only the AF amplification of the audion.
Posted on March 4, 2010 Full Size|

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