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 177
re hour capacityis 2 or less. 158 RADIO FOR EVERYBODY x\ll receiving sets and amplifier units are provided withjacks or binding posts for one pair of telephone receivers.If the jack is used—the jack is simply a metal hole orsocket in which fits a plug fastened on to the cords of atelephone… … Vibrating type of rectifier and stepdown transformer outfitfor recharging storage batteries on the usual alternating cur-rent supply line. The vibrating reed, which appears under thehandle, rectifies both sides of the alternating current so thatdirect current is obtained. The volume of direct…
Radio
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