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 35
asthe primary current is interrupted. The secondary cur-rent, flowing- for a moment in one direction, charges thecondenser, consisting of aerial and ground. However,the capacity of the condenser is limited, and when it ischarged to overflowing, it releases its energy which jumpsthe spark gap in the… … Ground The essentials of transmitting radio signals, comprising a spark coil, aerial, ground, spark gap, key, and battery, as well as an inductance coil for tuning purposes. opposite to that of the first time, and again the condenseris charged. Thus the discharges take place back andforth, but far…
Radio
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