Wool research, Vol. 4 :  Carding / 
 Carding. 
Wool Industries Research Association. 
 - Leeds :  Wool Industries Research Association,  1948. 
 - v, 244 p.  ill. ;  25 cm. 
 - Wool resarch. .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references.