Porritt, B.D.  <br/><br/>
Rubber and its engineering uses  (Book) 

 - London  The British Rubber Development Board  1935 
 - 15 p.  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering Rubber industry and trade
<br/><br/><label>Universal Decimal Class. No.: </label>678.06:62 POR  / 12328