tests and demonstrations of an optic-coincidence system of information retrieval for historical materials Wood, Elizabeth Ingerman. creator Drexel Institute of Technology Graduate School of Library Science. Henry Francis du Pont Winterthur Museum text bibliography pau Philadelphia Drexel Institute of Technology 1966 monographic eng

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xiii, 123 p. (1 folded) : ill. ; 24 cm. Elizabeth Ingerman Wood. The Project is sponsored jointly by The Henry Francis du Pont Winterthur Museum and Drexel Institute of Technology, Graduate School of Library Science, with a grant by the Copeland-Andelot Foundation. Includes bibliographical references. Information storage and retrieval systems Coordinate indexing Punched card systems History Z674 .D7 no. 14 010.78 WOR 66021944 DLC 730530 20170613150249.0 7066080