Padgham, C. A. <br/><br/>
Optics and Sound  

 - London :   Pitman,   1955 
 - IX, 434 p.  : ill 
<br/><br/>Includes Bibliographical References 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optics<br/>Sound
<br/><br/><label>Dewey Class. No.: </label>535  / PAD