Educational film catalog (1936)
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533-536 EDUCATIONAL FILM CATALOG 533 Air Air. (General science ser.) 12min 16-si- $24 35-si-nf-$80 prior 1927 DeVry 533 By Morris Meister, head of science de- partment, Haaren high school, New York city "Physical properties of air. and their utilization by people in the home, in business, and in social life." Texas el-Jh-sh Guide Air pressure in which we live. Smin 16-si- $6.67 35-si-f-nf-apply Bray 533 "Laboratory experiments demonstrate at- mospheric pressure." Producer Atmospheric pressure. iSmin 16-si-$24 1928 Eastman 533 "Unbalanced air pressure; operation of the vacuum cleaner, effect of atmospheric pressure upon a vacuum; Magdeburg hemisphere demonstration; operation of a common lift pump; pressure variations in a valley and on a mountain top; causes of land and sea breezes." Weaver Jh-sh-c Guide Liquid air. (no. 51) IR 16-si-loan 3S-si- nf-loan General electric 533 "Shows the production of liquid air and a number of laboratory experiments that demonstrate its properties and its ef- fects on various substances." Producer Liquid air. (no. S-2212) IR 16-sd-loan 35- sd-f-nf-loan General electric 533 "Ellis Manning, of the G-E Research Laboratory, describes the properties of liquid air and demonstrates its effect on various familiar objects. Close-up photog- raphy gives a . . . portrayal of the be- havior of this super-cold fluid." Produc- er sh-c-trade 534 Sound Fundamentals of acoustics. (Univ. of Chi- cago physical science ser.) lOmin 16- sd-$50 35-sd-nf-$100 1933 Erpi 534 By Dr Harvey B. Lemon and Dr Hermann I. Schlesinger of the University of Chicago, Dr Harvey Fletcher of Bell telephone laboratories, and Dr Donald MacKenzie of Electrical research products inc. "The phenomenon of hearing and the modification of sound between the source and the hearer are emphasized in this film. The specific elements explained or demonstrated are velocity of sound, re- fraction, range of hearing, lowering in- tensity, attenuation in air, eliminating high and low frequencies, reverberation and focussing of sound. Extensive use is made of animation and sound effects. The film concludes by indicating advances in communication which have resulted from combining our knowledge of sound and of electricity." Producer Jh-sh Guide Sound waves. IR 16-si-apply Edited pic- tures 534 Originally produced by Urban "Study of the properties and use of sound waves." Producer Sound waves and their sources. (Univ. of Chicago physical science ser.) lOmin 16-sd-$50 35-sd-nf-$100 1933 Erpi 534 By Dr Harvey B. Lemon and Dr Hermann I. Schlesinger of the University of Chicago, Dr Harvey Fletcher of Bell telephone laboratories, and Dr Donald Mac- Kenzie of Electrical research products inc. "Demonstrates and explains several types of sound sources. The transmission of sound waves through the air is . . . visu- alized. The characteristics of sound waves, such as frequency, amplitude, wave length, fundamentals, harmonics, are . . . ex- plained visually with acoustic accompani- ment. The highspeed camera, animation, sound effects, and an oscilloscope are used to clarify these phenomena of sound." Producer jh-sh-c Guide 535 Light Behavior of light. 15min 16-si-$24 1930 Eastman 535 "Introduces the subject of light. Pre- sents the ideas of transmission, shadows, and eclipses. Explains the formation of images in plane, convex, and concave mirrors. Demonstrates the cause of re- fraction. Illustrates dispersion, color, and the rainbow." Producer sh-c Guide 535.8 Practical applications. Lenses Eyes of science. 45min 16-si-loan 3S-si-nf- loan 1930 Bausch & Lomb 535.8 "Galileo with his early telescope; Leeu- wenhoek and his simple microscope; the arrangement of lenses and tubes which have given the scientists the super-eye; the spectroscope; ophthalmoscope; bin- oculars; motion picture machines." Colo- rado Jh-sh-c Guide Lenses. 15min 16-si-$24 1931 Eastman 535.8 "Emphasizes those phases of lens re- fraction admirably shown by animation: action of a converging lens, real and virtual images, changes of magnification; effect of diverging lens and formation of the virtual image; construction and ex- planation of achromatic lenses." Producer Jh-sh Guide Optical instruments. 15min 16-si-$24 1931 Eastman 535.8 "Utilizes the principles of reflection and refraction and applies them to optical de- vices. The film units are Mirrors; The Eye and Spectacle Lenses; The Camera; Stereopticon and Moving Picture Projec- tors; Microscopes and Telescopes." Pro- ducer Jh-sh Guide 536 Heat. Fire Experiments in conduction of heat. Smin 16-si-$5.26 3S-si-f-nf-apply Bray 536 "Laboratory experiments; boiling water in paper tea-kettle over flame, etc." Producer •i-silent; sd-(ound; f - inflammable; nf ■ safety; el - elementary; jh - junior high; sh - senior high; c - college 10