The way things work 

 - London  George allen  1971 
 - 591p. 
<br/><br/><label>ISBN: </label>0045000204 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering<br/>Mechanical Engineering
<br/><br/><label>Dewey Class. No.: </label>621  / WAY