Nilson, Arthur R. <br/><br/>
Practical radio communication principles - systems - equipment - operation including very high and ultra - high frequencies and Frequency modulation/ 
Arthur R. Nilson and J.L. Hornung 
 - 2nd ed. 
 - New York:  Mc Graw-Hill Book,  1943 
 - xii, 927 p.;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio--Equipment and supplies<br/>Electric current, Alternating<br/>Electric current direct<br/>Radio waves<br/>Radio--Antennas<br/>Radio broadcasting<br/>Radio--Receiver and reception
<br/><br/><label>Dewey Class. No.: </label>621.384