Newnes short-wave manual / 
edited by F. J. Camm. 
 - 7th ed. 
 - London :  George Newnes ltd.,  1949. 
 - vii, 200 p. :  ill. ;  19 cm. 
<br/><br/> Includes index. 
<br/><br/>324  324 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wave Manual.
<br/><br/><label>Dewey Class. No.: </label>621.3843 / C148h