McLachlan, N. W.  1888- <br/><br/>
Loud speakers :   theory, performance, testing, and design / 
N. W. McLachlan. 
 - Corrected ed. 
 - New York :  Dover Publications,  c1960. 
 - xii, 399 p. :  illus. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [386]-393. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Loudspeakers.
<br/><br/><label>Dewey Class. No.: </label>621.3818  / MCL 1960