O'Brien, Robert <br/><br/>
Machines 

 - New York  Time Life Books  1968 
 - 200 p. : col. ill. 
 - Life science library series .
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Assembly -- Machines<br/>Household machines -- (Electrical)<br/>Internal combustion<br/>Life science library -- Machines<br/>Machines