Abstract:The display of a Dual Dictionary on microfilm is com-Pact and easy to use. Each frame includes the name of a descriptor and 10 columns Of numbers representing the documents to which the descriptors were applied. The numbers are assigned to the columns on the basis of the value of the unit digit. Kodamatic indexer lines may be included. A set of computer programs has been written to produce a Dual Dictionary on microfilm. The index is readily updated and replicated. Furthermore, the program accommodates a dicti… Show more
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