How things work. Volume II / 

 - New Delhi :  HarperCollins Publishers India,  1992. 
 - 591 p. :   ill. ;  20cm 
<br/><br/><label>ISBN: </label>9781722353803  Rs 295.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machinery
<br/><br/><label>Dewey Class. No.: </label>621.8  / H2957