Nagpal, G.R. <br/><br/>
Machine Drawing 

 - Delhi  Khanna Publishers  1978 
 - p.239 
<br/><br/><label>Subjects--Topical Terms: </label> Drawing  Dimensioning  Screw Threads 
<br/><br/><label>Dewey Class. No.: </label>744.422 N1525M