PADGHAM, C. A. <br/><br/>
Optics and sound 
PADGHAM, C. A. 
 - LONDON  SIR ISLAAC PITMAN  1955 
 - 433 pages 
<br/><br/><br/>In English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>OPTICS -PHYSICS
<br/><br/><label>Dewey Class. No.: </label>NDVA,18  1955