This project had a two-fold objective, namely to record on film aspects of a significant period in the history of education in the United States which had been reported almost entirely in print heretofore, and to organize and structure this information so as to link theory with practice, to the improvement of instruction generally when used in teacher education programs. The first part of the project included a national conference on cartridged films in February 1967, and is fully documented in this report. The second part, based on the findings of the first, was concerned with an intensive investigation of the single concept film idea, namely 'a short segment of film with a small, discrete, and describable instructional content'. The problem was to develop 'practicable systems for the selection, storage, maintenance, retrieval, distribution, and projection of film clips (single-concept, closed-loop films) from existing 16mm instructional films'. This report states the problem and purpose of the project, and discusses its methods, results, conclusions, recommendations and projections. (GO)