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 385
t-W D-sffl/ Auxiliary ttirxV ■ Set, ■ShowirsJk, … Fl<3.206 V K -- E. * Sanes - ^*r*ltelConnection dffour le\ers, changes simultaneously the adjustments on all threecoils. From these coils are taken out taps over which threeswitch blades pass, adjusting all the inductances to approxi-mately the values needed for the particular wave length…
Telegraph, Wireless · Radio
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