Walton, Harry. <br/><br/>
The how and why of mechanical movements  exactly how machines work: engines, turbines, transmissions, brakes, clutches, rockets, atomic generators, gyroscopes, guidance systems. 
Illustrated by Ray Pioch. 
 - New York  Popular Science Pub. Co.  [1968] 
 - 297 p.  illus. (part col.)  26 cm. 
<br/><br/> 920408 
<br/><br/><label>LCCN: </label>68031227  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machinery
<br/><br/><label>LC Class. No.: </label>TJ146  / .W34 
<br/><br/><label>Dewey Class. No.: </label>621.8