watson,w.h <br/><br/>
on understanding physics 
w.h watson 
 - london  cambridge  1938 
 - 146 
<br/><br/> Pg mean Physics General & Mechanics Page 457-464 in A to Z Accession Register (Acc. No. Pg1-Pg228) & Page 640 (Acc. No. 224-231) 
<br/><br/><label>Dewey Class. No.: </label>Pg166