Teacher's manual for mechanical drawing / 
Thomas French ...[et al]. 
 - 9th. 
 - New York :  McGraw - Hill,  1980. 
 - 96pages : illustrations. 
<br/><br/><label>ISBN: </label>0070223149 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical drawing--Study and teaching.<br/>Mechanical drawing--Study and teaching.