Firth, Charles Barry. <br/><br/>
Engineering drawing technology / 
C. B. Firth and A. W. Vander Willigen. 
 - Maidenhead :  McGraw-Hill,  1970. 
 - ix, 197 p. :  ill ;  28 cm.  
 - Technical education series .
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0070942536  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical drawing.
<br/><br/><label>Dewey Class. No.: </label>604.24