Parkinson, A. C. <br/><br/>
Intermediate Engineering Drawing 

 - 5 
 - London  ELBS  1966 
 - p.247 
<br/><br/><label>Subjects--Topical Terms: </label> Conventions & Geometry  Screw Threads  Shaft Coupling  Valves  Toothed Gearing 
<br/><br/><label>Dewey Class. No.: </label>744.422 P247I