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 364
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. 184.—Radio telegraph transmitting and receiving set with quenchedgap. Signal Corps Type SCR-49. (Pack set.) 1. Quenched gap. 8. Loading inductance. 2. Transmitting condenser. 9. Primary inductance. 3. Safety gap. 10. Secondary inductance. 4. Transformer. 11. Common terminal of primary 5.…
Telegraph, Wireless · Radio
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