Educational film guide ()

535.8-536 1953 EDUCATIONAL FILM GUIDE OPTICAL CRAFTSMANSHIP SERIES— Cowt and deblocking, and scoring lathes to achieve different results in the finished product. LC card FiE 52-1104 INTRODUCTION TO OPTICS (17min $28.25): MN 2449-a. Uses animation and practical examples to illustrate the principles of light waves and rays; to show how light is refracted and reflected, and to explain image formation in relation to concave and convex lenses. Studies these principles as applied to optical instruments LC card FiE 52-1122 OPTICAL INSPECTION METHODS, PART 1 (26min $39.60): MN 244;)-m. Explains visual methods of inspection, the use of gages, the necessity for checking the gages, and the theory and use of Newton's rings as an inspection method. LC card FiE 52-1113 OPTICAL INSPECTION METHODS, PART 2 (19min $29.99): MN 2449-n. Explains methods of inspection of prisms and spherical lenses, and illustrates the use of the spectrometer. LC card FiE 52-1114 OPTICAL PRODUCTION METHODS (31min $44.74): MN 2449-0. Describes organization of an optical production shop on a mass production scale, including plant layout, training of personnel, need for inspection, classification of rejects, etc. LC card FiE 52-1115 ROUGH GRINDING (27min $40.44): MN 2449-e. Demonstrates procedures for grinding a flat optical surface by the hand method. Covers blocking of prisms to planoplate, procedures for hand grinding, cleaning of mill, inspection, measurment, deblocking, grinding of large pieces of optical glass, and edge grinding. LC FiE 52-1105 ROUGH GRINDING WITH A CURVATURE GENERATOR (15min $25.68): MN 2449-d. Demonstrates rough grinding of sperical surfaces by the curvature generator process; illustrates theory, function, and operation of the curve generating diamond grinding wheel. LC FiE 52-1116 ROUGH GRINDING WITH A VERTICAL SURFACE GRINDER (26min $38.72): MN 2449-f. Demonstrates machine grinding of flat surfaces to 1/10,000 inch tolerance and methods of blocking to grind all surfaces with a minimum of changes in position. LC card FiE 52-1106 OPTICAL INSTRUMENTS. EBF 1931 15min si b&w $24 535.8 jh-sh-c Guide Produced by Eastman Teaching Films, Inc. Shows the principles of reflection and refraction and applies them to optical devices STORY OF THE MICROSCOPE. Knowledge Bldrs 1938? llmin sd b&w (Story of civilization ser) $40, rent $2 535.8 sh-c-ad Guide The development of the microscope and its many contributions to man's knowledge of the 'invisible world' TERRA INCOGNITA. NorthAmericanPhilipsCo 1952 30min sd b&w free-loan 535.8 c-ad Explains the operation and application of the new Philips electron microscope and illustrates some of the work that can be performed with the aid of this research tool. Intended for industrial and scientific groups THINNEST SLICE. UnivSouthernCalif 1949 20min sd b&w $75, rent $2.50 535.8 sh-c-ad Produced by the Dept. of Cinema, in cooperation with the School of Medicine In 1949 the University of Southern California announced that two of its scientists, Drs Daniel C. Pease and Richard F. Baker, had succeeded by means of the electron microscope in photographing genes, the tiny carriers of heredity, for the first time. Details the development of the technique which made the gene photograph possible, the technique of cutting tissue slices to a thickness of only 1/500,000 of an inch LC card FiA 52-176 UNSEEN WORLDS. InstVisualTng 1941 lOmin sd b&w free-loan 535.8 sh-c-ad Produced for the Radio Corporation of America by William J. Ganz Co. Begins with the invention of the earliest microscope and reveals the newest electronic devices for exploring the world beyond the naked eye, including the electron microscope LC card FiA 52-4374 USE OF THE MICROSCOPE. ScientificFlmCo 1949 22min sd color $170, rent $15 535.8 jh-sh-c Sponsored by the University of Illinois, Dept. of Histology Designed for teaching the elementary or advanced biology student the correct use of the microscope as a precision optical instrument in order to obtain the fullest value from microscopic study 536 Heat. Combustion DISTRIBUTING HEAT ENERGY. EBF 1938 llmin sd b&w $50, rent $2.50 536 * Jh-sh-c Guide Produced by Erpi Classroom Films, Inc. The first sequence deals with different kinds of heat sources — coal, oil, gas, electricity, and wood. A second sequence demonstrates how furnace fuels are burned in coal, oil, and gas furnaces. The third sequence treats the development of home heating from the Colonial fireplace to the modern steam radiator. In the fourth sequence the mechanics of heat transfer by conduction, by convection, and by radiation are presented FIRE. EBF 1947 lOmin sd b&w $50, rent $2.50 536 el-Jh-sh-c-ad Guide Educational consultant: Charles K. Arey Principally concerned with the three essentials of combustion — fuel, oxygen and a kindling temperature which depends upon the kind of fuel involved. Animated drawings illustrate these principles. Illustrates major home fire hazards, shows effective methods of extinguishing fires, and explains why water or a fire extinguishing material such as carbon tetrachloride smothers a blaze EFLA evaluation card No. 218 FIRE. Gateway 1951 lOmin sd b&w (Gateway primary science ser) $49.50, rent $4.50 536 * p Produced by John Criswell Shows what is needed to make fire, what it does for us, how to control it, and how to prevent it EFLA evaluation card No. 1260 FIRE MAKING. EBF 1930 15min si b&w $24 536 p-el-Jh-sh-c Guide Produced by Eastman Teaching Films, Inc. Why does a fire start? What is a flame? What becomes of substances when they burn? The answers to these and numerous other questions on the phenomenon of combustion may be found in this film FUELS AND HEAT. EBF 1938 llmin sd b&w $50, rent $2.50 536 jh-sh-c Guide Produced by Erpi Classroom Films, Inc. Explains the role of carbon in fuels, the manufacture and storage of carbohydrates by plants, the way in which coal and oil were 454