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 127
here is the solenoid loop, inwhich the coils are all of the same dimensions, spreadingout horizontally so as to form a square helix. A looponly three feet in diameter is sufficiently large to pick up 108 RADIO FOR EVERYBODY radio-phone broadcasting stations a few miles distant, andlarger loops may… … The spiral or flat type of loop,which may be readily made andwhich affords no end of interest-ing possibilities. do not begin to prove as effective as outdoor antennae,hence amplifiers must be resorted to when using loops.Since the number of turns comprising any loop dependslargely on the wave…
Radio
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