Duffy, Joseph William. <br/><br/>
Power, prime mover of technology 
[by] Joseph W. Duffy. 
 - Bloomington, Ill.,  McKnight & McKnight  [1964] 
 - xiv, 369 p.  illus., plans.  27 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>64022303  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical engineering.<br/>Power (Mechanics)
<br/><br/><label>LC Class. No.: </label>TJ 153  / D83 972 
<br/><br/><label>Dewey Class. No.: </label>621