Hawken, William R. <br/><br/>
Photocopying from bound volumes  a study of machines, methods, and materials 
William R. Hawken 
 - Chicago  American Library Association  1962 
 - xv, 208 s.  res., şkl., tbl.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photomechanical processes.
<br/><br/><label>Dewey Class. No.: </label>681.65 HAW 1962