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Outlines the advantages of the overhead projector as a visual aid to learning in classrooms, in business, and in industry. Shows the great variety of uses of the equipment, with opaque, translucent, and transparent materials, both in contrasting colors and in monochrome. Stresses the ease with which effective presentations can be improvised through the use of movable graphic components, overlays, polaroid filters, transparent working models, and even chemical reactions in a test tube.
Explains the set-up and operation of the Kodak Pageant motion picture projector. Shows proper placement of components for effective use, threading, focusing, and centering the picture on the screen. Shows techniques for rewinding, forward and reverse opertion, cleaning, and lamp replacement.
Demonstrates the operation and care of the Victor 16mm sound projector. Shows in detail the steps in assembling and threading the projector, demonstrates the 10-hour cleaning procedure for the film track and the optical and sound systems, illustrates the changing of projection lamps, and shows the 100-hour lubrication procedure. Depicts the instruction manual as an audio-visual tool.
Encyclopaedia Britannica Films Inc., Louis W. Sauer
Summary:
Shows the day's activities of a child specialist in his office, on a home call, and at a hospital. He makes a physical examination, vaccinates a baby, visits his hospital patients, and diagnoses a case of measles.
Shows that birds that eat seeds have strong bills. Includes shots of the canary, evening grosbeak, junco, indigo bunting, goldfinch, white-crowned sparrow, song sparrow, cardinal, cross bill, and cedar waxwing.
Jim shows Grace how she can use algebra to find out the quantities of red and yellow paint she needs to make enough orange paint to complete some stage scenery. Demonstrates the algebraic steps of observation, translation, manipulation, and computation, and mentions other uses of algebra.
Explains that a globe is the best model to represent the shape of the earth. Discusses the change in man's ideas about the shape of the earth from flat, to curved to round to flattened and bulging to pear shaped. Explains the value of rockets and satellites in helping us to learn more about the shape of the earth.
Shows the location and physical features of Greenland; explains its new position in the modern world as the center of the short polar air routes. Portrays the life of the Greenlanders, explains their origin, and describes their change in half a century from nomadic hunters to fishermen living in small permanent communities where life is patterned after the ways of Denmark.