Walker, John R.,  1924- <br/><br/>
Exploring metalworking /  basic fundamentals 
by John R. Walker 
 - South Holland  Goodheart-Willcox  1976 
 - 256 p.  ill.  29 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0870061992  RM46.85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metal-work