Radio designer's handbook 
edited F. Langford-Smith 
 - 4th ed. 
 - London  Iliffe & Sons  1953 
 - xl, 1482p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio -- Receivers and reception
<br/><br/><label>Universal Decimal Class. No.: </label>621.396  / RAD