Richardson, Edward Gick,  1896- <br/><br/>
Sound :  a physical text-book / 
by Edward Gick Richardson 
 - London :  The English Languages Book Society & Edward Arnold (Publishers) ,  1963 
 - 352 p. :  ill., diagr. ;  22 cm. 
<br/><br/> "First published, 1927 .. Third edition, 1940." 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> Rs. 12.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sound<br/>Ultrasomics
<br/><br/><label>Dewey Class. No.: </label>534