Frost, Gary Lewis, <br/><br/>
Early FM radio :  incremental technology in twentieth-century America / 
Gary L. Frost. 
 - 1 online resource (206 pages) :  illustrations 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>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. 
<br/><br/><label>ISBN: </label>9780801899133 (e-book) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio frequency modulation--Transmitters and transmission--History.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>TK6547  / .F76 2010eb 
<br/><br/><label>Dewey Class. No.: </label>621.384/152097309041