A method is described which eliminates one process in the usual two-stage production of a color film transparency from which color prints are made. The apparatus and materials used include: 1) microscope fitted with polarizing equipment and camera with cut-film holder; 2) Bausch and Lomb Tri-Simplex projector, adapted for use; 3) Ansco Printon paper; 4) Ansco Printon developing kit; 5) Ansco gelatin filters. The process of exposing and processing film of polished sections and thin sections is described.

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