THIS IS AN ILLUSTRATED MANUAL FOR TEACHERS ON THE SELECTION, USE, AND CARE OF AUDIOVISUAL AIDS, EQUIPMENT, AND FACILITIES. THESE INCLUDE DRAWINGS, CHALKBOARDS, FLAT PICTURES, PICTURE FILES, CHARTS, GRAPHS, BULLETIN BOARDS, FLANNEL BOARDS, GLOBES, MAPS, DEMONSTRATION MATERIALS, EXHIBITS, MUSEUMS, DRAMATIC EXPRESSION, SLIDES, SLIDE PROJECTORS, FILMSTRIPS, FILMSTRIP PROJECTORS, OVERHEAD PROJECTORS, OPAQUE PROJECTORS, MOTION PICTURES, MOTION PICTURE PROJECTORS, RECORDERS, RECORDINGS, RADIO, CENTRAL SOUND SYSTEMS, TELEVISION, AND CLASSROOMS. A BIBLIOGRAPHY IS AT THE END OF EACH CHAPTER. THE PUBLISHER OF THE MANUAL IS PRENTICE-HALL, INC., ENGLEWOOD CLIFFS, N.J. (MF)