Subject Source: Art & Architecture Thesaurus
Transparent positive images made or mounted on glass for projection, usually but not necessarily photographic, measuring 3 1/4 to 3 1/2 by 4 inches for projection onto a screen by means of a specialized projector.
Found in 1 Collection or Record:
Identifier: SpC MS 0248
Scope and Contents
Materials in the collection generally include newspaper clippings, original records and copies of original records, and notes from various sources. Genealogies also include Barbara Dunn Hitchner correspondence.