Douglas, Alan,  1899-1999. <br/><br/>
The electronic musical instrument manual :  a guide to theory and design / 
Foreword by Osborne H. Peasgood. 
 - 3rd ed. 
 - London :  I. Pitman,  1957 [reprinted 1958]. 
 - 247 p. :  illus. ;  23 cm. 
<br/><br/>includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic musical instruments.<br/>Music--Acoustics and physics.<br/>Musical inventions and patents.
<br/><br/><label>Dewey Class. No.: </label>786.92  / DOE 1958