Radio for everybody; being a popular guide to practical radio-phone reception and transmission and to the dot-and-dash reception and transmission of the radio telegraph, for the layman who wants to apply radio for his pleasure and profit without going into the special theories and the intricacies of the art (1922)
Lescarboura, Austin C. (Austin Celestin), 1891- · New York, Scientific American publishing company [etc.] · leaf 258
t battery; K—fila-ment rheostat; B—filament battery; F—feed-back or tickler eoil. transmitting loose-coupler in such a manner as to short-circuit several turns every time it is pressed down. Thiscauses the wave length to fluctuate, and produced the dotsand dashes in the sharply tuned continuous… … VACUUM TUBES INDUCTANCEUNIT WAVE t.ENGTHCHANGiNGGEAR POWERCONTROLS Mechanism* of a commercial CW telegrraph transmitter, using^ several 50-watt tubes and a chopper for producing modulated continuous waves. 240 RADIO FOR EVERYBODY systems. Even leaving aside the consideration of cost,in most…
Radio
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