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Showing 1 to 1 of 1 for “"ephemeral film"”.
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The sound of the hidden curriculum: music and sound design in baby-boomer era social guidance films in the United States
… in World Wars I and II, 16mm instructional films became widely used as classroom teaching tools in the United States in the 1940s and 1950s. In addition to traditional subjects like science and geography, instructional film production companies such as Centron, Coronet, and Encyclopaedia …