Borth, Christy. <br/><br/>
Masters of mass production / 
Christy Borth. 
 - New York :   Bobbs-Merrill,  c 1945. 
 - 290 p. :  illus., pics. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>312  312 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Manufacturing.
<br/><br/><label>Dewey Class. No.: </label>670 / B649m