Microfilm storage units
Subtitle: photographs of methods and equipment for storing microfilms devised by various institutions, 1938-44
Published: 1938
Language: eng
Number of pages: 40
Subjects: Microfilms; Storage
Notes: Collected by Dorothy Hale Litchfield and used as instructional material in the course S-187 Microphotography for libraries, School of Library Service, Columbia University, 1938-1944.