The media center houses filmstrips, records, cassettes, maps, transparencies, and audiovisual equipment. The research materials include some 15,000 photographs, 4,000 slides, and many filmstrips. Collage film can also refer to the physical collaging of materials onto filmstrips. At the same time, I was the guy who'd yell out funny captions during filmstrips. His weaving involves gathering old Hollywood feature films, trailers and filmstrips of his own outttakes. It is a collection of filmstrips narrated on records. Among the filmstrips was a print that the Library of Congress catalogued as "Dickson Violin". In the early 1950s production companies started producing filmstrips for home entertainment. These were called pictural filmstrips, the first filmstrips that were produced in a complete set. Other merchandise included filmstrips and flash cards. The educational/commercial branch, Brayco, made mostly filmstrips from the 1920s until it closed in 1963. Filmstrips were large and durable, and rarely needed splicing. Two filmstrips were released, "The Fire-Fairy" (1956) and "The Malachite Box" (1972).