Roy, Shankar Prosad <br/><br/>
Introduction to Engineering 

 - Calcutta  Academic  1978 
 - p.351 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Magnetism and Simple Electricity<br/>Simple Heat and Light<br/>Machine Tools
<br/><br/><label>Dewey Class. No.: </label>620 R888I