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Marconi
Marconi "C" Radio Consists of ST1 Short-Wave Tuner, VD1 Valve Detector, & AA1 Two Step Amplifier. Made in Canada beginning in 1921. The audio transformers look very early in design. See picture below. Below are pictures of the ST1 Tuner, the AA1 two tube amplifier, and the VD1 Detector.

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Copyright 2003-2004 Howard Stone PhD.
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