Incremental Technology in Twentieth-Century AmericaFrost, Gary Lewis.creatorProject MusedistributortextElectronic books. mdu2010monographiceng1 online resource (191 p.) : ill. ;AM and FM radio before 1920 -- Congestion and frequency-modulation research, 1913-1933 -- RCA, Armstrong, and the acceleration of FM research, 1926-1933 -- The serendipitous discovery of staticless radio, 1915-1935 -- FM pioneers, RCA, and the reshaping of wideband FM radio, 1935-1940.Gary L. Frost.Includes bibliographical references and index.Open Access Unrestricted online access starRadio frequency modulationTransmitters and transmissionHistory Geschichte 1913-1940 swd TK6547 .F76 2010621.384/15209730904197808018991330801899133https://muse.jhu.edu/book/470/https://muse.jhu.edu/book/470/Open AccessMdBmJHUP09072020210127150857.0muse1423