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 133
ed. When the dial is setat 0, the two sets of coils are so arranged that the currentwill he flowing in opposite directions in both sets of coils,and the coils are then said to be in opposition or buckingeach other. In that condition the inductance is greatlyreduced, and the wave length is therefore… … HANDLE ANDDIAL MOVABLE CO!L OR WINDING The mechanism of the variometer. This instrument consists oftwo sets of coils, one fixed set and one movable set. with, and the rotary action is far more convenient thanthe movement of sliders along a tuning coil. In the inexpensive receiving sets now being…
Radio
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