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 6
Washington : Government Printing Office : 1922 War Department. Document No. 1069. Office of The Adjutant General. War Department,Washington, June 10, 1921.The following publication entitled The PrinciplesUnderlying Radio Communication, is published forthe information and guidance of all concerned.…
Telegraph, Wireless · Radio
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