Jones, Franklin Day, 1879-  Jones, Franklin Day, 1879- <br/><br/>
Gear design simplified / 
by Franklin D. Jones and Henry H. Ryffel. 
 - 3rd ed. 
 - New York :  Industrial Press,  [1961] 
<br/><br/>Bibliography: p. 146. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gearing.