How things work vol II  the universal encyclopedia of machines 

 - 1 
 - New Delhi  HarperCollins  1996 
 - 591p. : ill. ;19cm. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>0586081739 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia -- Machines<br/>Mechanical engineering