Levens, A.S. <br/><br/>
Problems in Mechanical Drawing / 
Levens, A.S, Edstrom,A.E, 
 - New York:  Webster Division, McGRAW Hill Book Company, 
 - various pages  diagram.;  26cm 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>604.2  / LEV