Dudley, Darle W. <br/><br/>
Practical gear design / 
Darle W. Dudley 
 - New York :  McGraw-Hill book company,  1954 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gear Design
<br/><br/><label>Dewey Class. No.: </label>621.83  / DUD