Educational film catalog (1936)

621.32—621.385 EDUCATIONAL FILM CATALOG Illumination — Continued foot-candle meter, shows the cause and correction of glare in home and factory, and demonstrates the character of direct and indirect lighting." Weaver Jh-sh Guide Mazda lamp manufacturing. 30min 16-si- loan 35-si-nf-loan 1929 General elec- tric 621.32 A silent version of "Mazda lamps pre- ferred" listed below "Making glass, blowing bulbs, frosting, making filaments, assembling, exhausting air." California "Historical prelude; successive processes in the manufacture of these lamps with emphasis on the advantages of standardi- zation and mass production." Colorado Mazda lamps preferred. 40min 16-sd-loan 35-sd-nf-loan 1929 General electric 621.32 "The development and manufacture of household-size General Electric Mazda Lamps. The first part, picturing Thomas A. Edison's early experiments with the incandescent lamp, was made in the Menlo Park Restoration at Dearborn, Michigan. The scene then shifts to Cleveland, where a trip through the lamp factory shows many of the marvels of modem Mazda lamp production." Producer 621.35 Storage batteries Chemical effects of electricity. ISmin 16- si-$24 1930 Eastman 621.35 "Volta working in his laboratory. Elec- tric batteries, making dry cells, making storage batteries. Electrolosis, Hoffman apparatus, animation of electrolosis. Elec- troplating, plating a radiator, electrotyp- ing. Metallurgy, making copper anodes, producing pure copper, producing aluminum from bauxite by electrolosis." Ohio jh-sh-c Guide Story of a storage battery. 30min 16-si- loan 35-si-nf-loan prior 1927 Bur. of mines 621.35 Made in cooperation with the Willard storage battery company "Reel 1 shows the historical develop- ment of the storage battery, and the various steps in its manufacture. Reel 2 shows the various ways in which the bat- tery is tested, sealed, and packed. Ani- mated drawings visualize action in battery during charging and discharging." Illinois "[Useful in] chemistry, physics and gen- eral science [Classesj" Am. museum of nat. hist. sh 621.38 Electric communication. Radio Communication. (General science ser.) 12min 16-si-$24 35-si-nf-$80 prior 1927 DeVry 621.38 By Morris Meister, head of science de- partment, Haaren high school. New York city "The principle of an electric bell; the telegraph and the cable; voice waves; prin- ciple of the telephone, the radio, and the radiophone. Each step is clearly ex- plained by animated diagrams and photo- graphs of the various instruments in op- eration in everyday life." Indiana el-Jh-sh Guide Electrical transmission of speech. IR 16- si-apply 35-si-f-nf-loan Western elec- tric 621,38 "Graphic presentation in animated draw- ings of the interesting fundamentals in- volved in the transmission and reception of the voice over wire circuits." Producer Family album. IR 16-sd-apply 35-sd-f-nf- loan Western electric 621.38 "A reunion of the telephone family is humorously pictured in this animated sound cartoon. Old Father Tel E. Phone introduces his sons, Mike and Loud Speak- er, Public Address, Electrical Stethoscope and Talkie, the young motion picture wiz- ard. The first actual recording on a sound film of the human heart-beat is heard." Producer Laying the world's fastest ocean cable off Newrfoundland. 2R 16-si-apply 35-si-f- nf-loan Western electric 621.38 "The laying of the permalloy cable from Bay Roberts, Newfoundland, to Penza,nce, England, with brief history of the laying of cables." Texas Sky harbor. IR 16-sd-apply 35-sd-f-nf-loan Western electric 621.38 "Synchronized to a descriptive narrative with full orchestral and sound effects." Producer "The operation of the radio telephone communication system is shown and ex- plained by a combination of actual pho- tography and animated drawings. Air- ports and ships of the air provide the settings." Texas Speeding up our deep sea cables. 2R 16-si- apply 35-si-f-nf-loan Western electric 621.38 Record of the laying of the permalloy cable between New York and the Azores Wizardry of wireless. 2R 16-si-loan 35-si- f-nf-loan General electric 621.38 "A review of the history of signal com- munication, including the beacon fire, smoke signal, heliograph, semaphore, elec- tric telegraph, telephone, and radio. Ani- mated drawings are used to explain the operation of vacuum tube and other ap- paratus used in radio transmission and reception." Producer 621.385 Telephone Inside story of your telephone. 2R 16-si- apply 35-si-f-nf-loan Western electric 621.385 How copper, mica, cotton, silk, gold, silver, platinum, rubber, flax, nickel, iron, coal, aluminum, asphalt, and wool are ob- tained and made ready for their use in your telephone. An older film which is still useful Magic of communication. IR 16-si-apply ,35-si-f-nf-loan Western electric 621.385 "An animated explanation of what goes on in the transmitter and receiver of your telephone when the sound waves dash against the diaphragm and the little gran- ules of carbon (coal) are pressed to- gether." Texas New voice highways. IR 16-sd-apply 35- sd-f-nf-loan Western electric 621.385 "Music and sound effects enhance the popular appeal." Young men's Christian assn. si • silent; sd - sound; f - inflammable; nf - safety; el - elementary; Jli - Junior hioh; sh - senior high; c - college 42