Dudley Darle,W. <br/><br/>
Gear handbook 
W. Dudley Darle                                              
 - New York  McGraw-Hill  1962 
 - [various pagings.] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gears
<br/><br/><label>Universal Decimal Class. No.: </label>(035)621.83  / DUD