Obrien, Robert <br/><br/>
Machines 

 - New Jersey:  Time Life,  1980. 
 - 200p.;  col.ill.;  28 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering<br/>Machine
<br/><br/><label>Dewey Class. No.: </label>621.8  / OBR