Marshall, Alfred W. <br/><br/>
Gear wheels and gear cutting : An elementary handbook on the principles and methods of production of toothed gearing 

 - 1st 
 - London  Percival  1951 
 - 92p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gearing
<br/><br/><label>Dewey Class. No.: </label>621.833  / M3671