Hawken, William R. <br/><br/>
Enlarged prints from library microforms: a study of processes, equipment, and materials 
William R. Hawken 
 - Chicago  American Library Association  1963 
 - 131p.  ill.  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reader<br/> Printer (Microphotography)<br/>Photography
<br/><br/><label>LC Class. No.: </label>TR835.H3