. 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 . olts to 22^^ volts. Broadcasting—As applied to radio work, this stands forthe simultaneous sending of intelligence either byradio telegraphy or telephony from a given centralpoint for the benefit of a great number of receivingstations located within the broadcasting stationsrange. Capac
. 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 . olts to 22^^ volts. Broadcasting—As applied to radio work, this stands forthe simultaneous sending of intelligence either byradio telegraphy or telephony from a given centralpoint for the benefit of a great number of receivingstations located within the broadcasting stationsrange. Capacity, (abbreviated C)—Capacity as used in radiowork plays a very important part. The unit of elec- RADIO FOR EVERYBODY 2t trical capacity is the Farad, but the farad being toolarge for practical radio work, the micro-farad (ab-breviated m. f. d.—one millionth of a farad) is we speak of a receiving or transmitting con-denser having a capacity of .001 mfd, or one thou-sandth part of a Amplification—This refers to high amplificationof received radio signals, wherein several vacuumtubes are employed in cascade fashion which meansthat one amplifies the sounds or waves and passes ANTENiNA LEAD ^^^ , •^ ^ ■ TUNiNG COIL. i^i yr 8Af?E: WtRE, WlNOlNe CRYSTAL DETECTOR. TUNING cost, St-iDER Receiving: set of simple construction, making use of a tuning: coil with single slider, a crystal detector, and a single telephone receiver. This set may be used for short distances. them on to another, which amplifies the sounds andpasses them on to another, and so on. Thus, wemay speak of a three-step (cascade) Coil—A coil wound to have great self-induction orchoking efifect when in the path of alternating cur- 28 RADIO FOR EVERYBODY rent. Choking action when introduced in a radio cir-cuit is called impedance. Circuit—In radio and electrical work the path in which anelectric current flows is called a circuit. A circuitmay be open or cl
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Keywords: ., bookcentury1900, bookdecade1920, bookidradioforever, bookyear1922
