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 41
23 RADIO FOR EVERY/BODY are quite simple, having only one or two controls forvaring the wave length, and a simple detector of the so-called crystal type. Such a detector, as will be explainedfurther on in the chapter dealing with receiving appara-tus, requires no battery current. Stepping beyond… … The interchangeable panel idea is quite popular at present. ICachcomponent of a receiving set is mounted on a standardizedpanel, and as many panels as are desired can be used at onetime with or without cabinets. The idea is quite similar to thesectional bookcase, which grows with ones needs.…
Radio
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