The principles underlying radio communication (1922)
United States. National Bureau of Standards, Ould, Richard Sheldon, 1889-, United States. Army. Signal Corps · Washington, Govt. Print. Off. · leaf 362
rcuit of the transformer, and also by employing a transformerof the resonance type with an unusually high secondary voltage.By altering the series resistance, the spark rate may be changedas desired, as to 60, 120, or 240 per second. This adjustment issomewhat critical and difficult to maintain… … Fig 1S4 —Radio telegraph transmitting and receiving set witla queucbedgap. Signal Corps Type SCR-49. (Pack set.) 1. Quenched gap. 8. Loading inductance. 2. Transmitting condenser. 9. Primary inductance. 3 Safety ^^ap l^- Secondary inductance. 4 Transfol-nier 11- Common terminal of primary5.…
Telegraph, Wireless · Radio
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