Sound facts and figures/ 
compiled by John Borwick 
 - London:  Focal Press,  c1963 
 - 169 p.;  18 cm. 
<br/><br/> All the data and know how you need to get the best sound quality from discs, tape, radio and film 
<br/><br/><label>ISBN: </label> Rs. 22.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sound<br/>High-fidelity sound systems<br/>Loudspeakers<br/>Stereophonic sound systems
<br/><br/><label>Dewey Class. No.: </label>621.3818