O'Brien, Robert <br/><br/>
Machines 
Robert O'Brien                                              
 - New York  Time-Life Books  1972 
 - 200p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine Design<br/>Machine Tools<br/>Mechanical Engineering<br/>NASA Thesaurus
<br/><br/><label>Universal Decimal Class. No.: </label>62  / OBR