Educational screen & audio-visual guide (c1956-1971])

patroling the nation's Forests. Small planes or helicopters arc used for this task. If a forest fire is sighted, tlie pilot pin-points the location and radios the information to ground crews. Planes ma> later be used to drop smokejumpers into a fire area or bombers ma\' be used to drop water bombs to gain control over a fire. Helicopters can do special jobs because of their ability to hove- in one place and do not need runway.; foi landing or taking-off. The film liemonstrates these abilities bv sliowing a helicopter being used for emergency rescues by Navy and Coast diaid. The rescue of an injured pilot who had to ditch his jilane in the ocean is shown. A helicopter 's abo seen carrying telephone poles into a mountainous area and maneuvering the poles into place for the ground workers. Aii ta.xi service is another job performed quite well by helicopters. Larger planes equipped with radar are useful in predicting the patli and wind velocity of storms. Its course is charted to help warn those on shore. Crop-dusting planes assist farmers in ridding crops of harmful insects. Crop-dusters must be excellent pilots since they often need to duck imder power lines as seen in the film. Planes also bring the countries of the world closer together. As tlie result of new inventions in aircraft, the world is becoming smaller. Now the peoples of the world are looking forward to trips into outer space. Appraisal: Airplanes Work for Us gives a clear presentation to children of the primary and intermediate grade levels of the many ways in which airplanes are used. Students will find the content interesting and enjoyable as well as instructive. There are a variety of activities shown without concentration on the glamour of aviation. The film will be useful in units on transportation. There is also a broader significance in the vast changes that are taking place in our ways of living and working due to man's conquest of air. The film touches briefly upon the concept of our shrinking world but concentrates more on stimulating ideas concerning the new ways of doing work involving various types aircraft. -Hdf^n D-^'ir Even in classrooms sunshine bright,. Authorized "RCA" Distributor 16mm sound equipment Sales, Service, Parts, Trades. Free illxtstrated booklet "R" NATIONAL CINEMA SERVICE 71 Dey Si., WO 2-6049 N. Y. 7, N. Y. AO's NEW OVERHEAD DELINEASCOPE gives the clearest image you've ever seen! This revolutionary new overhead projector, by American Optical Company, was developed around a powerful 1000 watt light source to give you the brightest . . . biggest projected screen image you've ever seen. Even the extreme corners are sharp and clear because a specially designed Fresnel lens affords perfectly balanced illumination to every square inch of screen area. This precision teaching instrument will project all the line, form and color of a 10" x 10" transparency up to a huge 177 sq. ft. screen image ... in crisp, accurate detail. You'll enjoy using this instrument because you face your class at all times . . . observe every movement and expression of subject reception and understanding. AO's Overhead Delineascope helps give your program an unlimited flexibility that is not possible with any other AV medium. You can emphasize or dramatize by adding to your prepared teaching material on-the-spot. You'll want to see all the new, exclusive features that make this instrument a practical investment in creative teaching. Your AO Salesman or Audio -Visual Dealer will be happy to arrange a demonstration at your convenience. American ^ Optical COMPANY INSTKUMfNT DIVISION, (UfMlO 13, NIW TOIK uept. V24 1 Pleaae send information on AO Spencer GK Delineascope. 1 would like a demonstration. Name AddreaaCily -Zone -State IN CANADA write — American Optical Cortipany Canada Ltd, Box 40. Tetminal A, Totonto. Ontario IEdlcatio.nal Screen and Audiovisual Guide — August, 1961 401