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 528
Fig.ZdO. Modulation of Output of a TubeGenerator by Microphone Connected in GridCircuit … Rip Fig. Z30. Circuit for Radiotelephone TnModulation by Absorption of Power Output of 4=* 2. i ransmitter.Generator Tube. Ill
Telegraph, Wireless · Radio
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