5 Watt Oscillator
by damauk - uploaded on November 8, 2013, 6:36 pm
Illustration taken from "THE RADIO AMATEUR'S HAND BOOK" 1922.
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- amp amplifier electrical oscillator tube vintage by fb tube vacuum
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- Yes
by damauk - uploaded on November 8, 2013, 6:36 pm
Illustration taken from "THE RADIO AMATEUR'S HAND BOOK" 1922.
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