Johnson, S. <br/><br/>
Drop forging practice, 
by S. Johnson and J. Warby; with frontispiece and 24 illustrations in text. 
 - London,  C. Griffin & company, limited,  1937. 
 - xii, 108 p. incl. front., illus.  20 cm. 
 - Griffin's industrial textbooks, .
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Forging.<br/>MCE
<br/><br/><label>Dewey Class. No.: </label>671.33  / JOH