Because of the dilemma faced by librarians in the selection of suitable microform reading equipment for the 35 mm format, this paper is designed to analyze the problem of reader and micro-image incompatability, to provide a key for readily determining incongruities, to evaluate presently available readers, to provide modification and development…

In August, 1971, The National Home Library Foundation of Washington, D.C., awarded to The George Washington University a grant to install a set of the ultra-microfiche "Library of American Civilization" (produced by Encyclopaedia Britannica's subsidiary, Library Resources, Inc.), together with all available associated equipment and bibliographic…

The various kinds of microforms, the criteria for evaluating microform equipment, the components required to create a whole microform system, and the potential created by a close interrelationship between microforms and computers are among the topics discussed. (NH)

This paper was prepared to provide a frame of reference to the role of microfilm within the information retrieval world and to provide an opportunity for evaluation of the use of microforms for active retrieval applications. The paper discusses the principles of information retrieval, considers subject and classification indexing, and describes…