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DISCUSSIONAL FILMSTRIP AND SOUND SLIDEFILM
15 other sections not shown
audio audio-visual aids Bell and Howell blackboard Bldg broadcast bulletin board Calif camera cardboard Castle Films cellophane central sound system charts Chicago classroom College color diagrams District Headquarters Recruiting effective Extension Division Extension Service Farm Credit Administration Federal field trip Film Library filmstrip flash cards graph guide sheet Headquarters Recruiting Station illustrations inches Insert film instructional aids instructor job problem Kodachrome laboratory lens lesson light manual Manufacturing material models Motion Picture necessary North Dakota objects opaque projector operation P. O. Box paper photographs playback equipment posters Prepare presentation projected purchase radio programs recording and playback reversible film revolutions per minute scotch tape screen slides specific specimens stencil steps Street student tape teacher teaching aids technique television tion University visual aids Visual Education Visual Instruction West wire Wire Recorder York