Gill, P.S. <br/><br/>
Textbook of engineering drawing (gemetrical drawing) 
P.S.Gill 
 - 10th rev. 
 - Delhi  S.K.Kataria  1998 
 - 627 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical drawing
<br/><br/><label>Dewey Class. No.: </label>604.2  / GIL N8