Molloy, Edward, [from old catalog] <br/><br/>
Sound-film projection, dealing with the installation, operation and maintenance of the leading types of sound-projection equipment, and public-address systems /  
(By) E.Molloy 
 - London,  G. Newnes limited  [1945] 
 - viii, 232 p.  illus., diagrs.  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SONIDO<br/>PELICULAS
<br/><br/><label>Universal Decimal Class. No.: </label>531.771