Colvin, Fred H. <br/><br/>
Gear cutting practice; methods of producing gears for commercial use 

 - 3rd 
 - New York  McGraw-Hill  1950 
 - xii,532p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gearing
<br/><br/><label>Dewey Class. No.: </label>621.834  / C7272