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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 206

An illustration from 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, leaf 206
^ft 188 RADIO FOR EVERYBODY with other types of ampHfying circuits; it is vastlysuperior to any other method of amphfying telephonespeech; it eliminates tube noises; it increases selectivity; itincreases signal audibility at each stage at least twentytimes; it makes possible the use of small loops…

Radio

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More pictures from 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

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