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 253
Typical radio-phone transmitter, which is provided with rectifying tubes so that it can be operated on. an alternating: current lighting: circuit. (1) Radio telephony is made possible on a small orlarge scale. (2) Extremely sharp tuning is obtained andconsequent reduction of interference between… … Typical CW transmitting equipment, showing: its simplicity.The coil at the left is a grid coil, while the instrument atthe right is a transmitting helix, made up of a numberof turns of flat copper strip. The clips are for the purposeof making the necessary connections at any points, on thehelix in…
Radio
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