Orr, William I. , <br/><br/>
Radio handbook / 
William I. Orr. 
 - 23rd ed. 
 - 1 volume (various pagings) :  illustrations ;  25 cm. 
<br/><br/><label>ISBN: </label>0672224240 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio --Handbooks, Manuals, etc.
<br/><br/><label>LC Class. No.: </label>TK6550   / .O77 1987 r