00000cam a22000004a 4500 UP-99796217605902719 Buklod 20230503092542.0 m o j ta 030101s1963 xx r |000 u|eng d (iLib)UPD-00000363014 ILS eng TR835 H3 Hawken, William R. Enlarged prints from library microforms a study of processes, equipment, and materials William R. Hawken. Chicago Library Technology Project, American Library Association [c1963] 131 p. : ill. LTP publications no. 6 Photography--Library applications. Reader-printers (Microphotography) Book FO Book UPD DLS TR835 H3 Book