O'Brien, Robert <br/><br/>
Machines /  
Robert O'Brien.  
 - Second edition.  
 - Hong Kong :  Time-life Books,  1989. 
 - 200 pages :   colored illustration ;  28 centimeter.  
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine engineering. 
<br/><br/><label>Dewey Class. No.: </label>FOR 621.8 Ob6m 1989