Woodbury, Robert S. <br/><br/>
History of the gear-cutting machine :   a historical study in geome try and machines /  
With a foreword by Abbott Payson Usher 
 - Cambridge :   Technology Press, Massachusetts Institute of Technolo gy ,   1958. 
 - iv, 135 p. :    ill. ;    23 cm. 
 - Massachusetts Institute of Technology. Technology monographs: histor ical series, no.1.   .
<br/><br/>Includes bibliographical references : p.127-130 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gear-cutting machines--------
<br/><br/><label>Dewey Class. No.: </label>621.944 WOO