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This short nonfiction film depicts the intensive testing that goes into developing and producing aircraft propellers. It opens with the whirring or propeller blades. Animated diagrams show how the bite of the propeller moves it through the air and how the pitch determines the size of the bite. A trip through an airplane factory shows the manufacture of a satisfactory alloy. The rest of the process is painstaking hand work interspersed with dozens of careful inspections. The operation of the variable pitch mechanism and its use in taking off and cruising is shown. Then the propeller is assembled the complete job is tested for balance.
Buenos Aires, the commercial, financial, and industrial hub of predominantly agricultural Argentina. A grain broker and a packing plant employee, with the family of the latter, are introduced as representative city-dwellers. The vast pampas regions, the source of Argentina's agricultural wealth; the dependence of the city on the rural hinterland. Spanish dialogue is periodically incorporated into the film story. An instructional sound film.
United States. Department of Agriculture, United States. Department of Agriculture. Forest Service
Summary:
Introduced as "the story of cattle grazing in the national forest," the film depicts cooperation between the Forest Service and local ranchers to manage the grazing of herds on public land. Original USDA catalog entry states: "Range management in the western national forests. Shows how to perpetuate grazing lands by protecting them from overuse by livestock and thus insure the income of ranchers and communities dependent on the livestock and grazing industry for a living" (Motion Pictures of the United States Department of Agriculture, 1945, 41). Depicts rounding up, branding and inoculating cattle in preparation for driving from private range land to National Forest. Shows duties of Forest Rangers, including monitoring fences and health of grasses. Cutting, raking and stacking of hay using mostly horse-drawn implements is shown. Concludes by showing that U.S. Forest Service range management has helped western "cow towns" to prosper and grow.
United States. Department of Agriculture. Bureau of Entomology and Plant Quarantine
Summary:
A presentation of the Bureau of Entomology and Plant Quarantine's code for the prevention of termite infestation. Using animated diagrams and detailed photography of actual termite infestations, the film educates builders and homeowners in inspection, remediation and prevention methods. Poor construction practices invite the ravages of these devastating insects. The film shows how buildings can be protected from further damage and points to be observed undertaking new construction. "It costs us 50 million dollars a year to feed the termites, it costs far less to block them," concludes the narrator.
Shows how intelligent probation can change a boy's attitude and conduct. In company with his gang, Johnny steals a car, which is wrecked during the excitement of their get-away. What might have happened to the boy is realistically portrayed in a sequence of vivid police and prison scenes. What actually happens to him in a good juvenile court with well-organized probation service provides a stirring contrast. A plea for youth and justice.
Presents episodes from the home, school, and play life of children in a representative Chinese village. Traditional patterns of Chinese family life are portrayed. School training in loyalty to parents, together with home and community customs, reflects the influence of Chinese tradition on contemporary life. Recreational activities are shown, and Chinese dialogue is reproduced and interpreted.
Erpi Classroom Films Inc., Arthur I. Gates, Celeste C. Peardon
Summary:
Presents characteristic activities of a boy and girl living in the Swiss Alps. Follows them through the Alpine village as they watch the tourists and visit shops where clocks and woodcarvings are sold. Depicts them at home and as they accompany their mother on a long, steep climb up the mountain to the summer pasture where the father and brother are tending the cattle. An instructional sound film.
Encyclopaedia Britannica Films, Indiana University. Audio-Visual Center
Summary:
Shows Chilean mountains, deserts, glaciers, mines, ports, pastoral areas, and an estate in the agricultural Central Valley. Here the role of the estate is seen in relation to the visiting owner and his family, the farming population, and Chilean agriculture generally. On the family's return to Santiago, varied aspects of Chile's capital city are featured. Includes some Spanish dialogue.
Erpi Classroom Films Inc., A.J. Carlson, F.J. Mullin, H.G. Swann
Summary:
Explains the regulation of body-temperature. Contrasts constant temperatures of warm-blooded animals with fluctuating temperatures of cold-blooded ones. Reveals the relationship of body heat to energy furnished by foods, and depicts the blood stream as a heat distributor. Illustrates body heat loss, and regulation by radiation, conduction, and evaporation. Depict the function of hypothalamus in regulating body temperature. For high school, college, and adult groups.
Historical Summary:
Explains the mechanism of body-temperature regulation by radiation, conduction, and evaporation. Contrasts the constant temperatures of warm-blooded animals with the fluctuating temperatures of cold-blooded ones. Reveals the relationship of body heat to energy furnished by foods, and depicts the blood stream as a heat distributor. Also shows the function of the hypothalamus in regulating body temperature.
Opens with a picture of a boy fishing and quickly leads up to the fact that, in getting a job, the baits required are personality, training, and experience. Then follows a discussion of these points: know yourself, study vocations, learn of contributions your local school can make to your training, coordinate mind and body, build character on a firm foundation, and believe in opportunity.
"Short fictional film asking people to keep under cover during air raids. A group of English and Canadian fighter pilots report the number of German planes they have each shot down. The rivalry between the British and Canadian pilots is intense and later in the pilot's hut one of the English pilots is asked why he did not "kill" a German plane when he had the chance. He replies that the problem was "Goofer trouble". "Goofers" are seen leaving a shelter to watch a dog fight. Because these "Goofers" were in the street the pilot could not open fire without running the risk of hitting them."--British Film Institute website.
"Offers revealing insights into the re-structuring of health services in London and elsewhere in Britain following the outbreak of WWII ... The film is broadly divided into three parts. The opening sequence looks at the advances made so far in the battle against sickness and disease, brought about through slum clearance, preventative and curative medicine and research. The middle section describes the re-organisation of existing services in preparation for air raid casualties, with the redeployment of city centre hospitals for emergency services and first aid, and the movement of convalescent, maternity and evacuation hospitals further out into the country. The final section uses pictures of happy, healthy children running free in the English countryside to remind cinema audiences of what Britain is fighting for."--British Film Institute website.
Shows how young airmen are trained by the R.A.F. Not only is the standard training such as solo flying shown, but also learning Morse code, navigation lectures, and special bombardier and fighter pilot training.
Shows the location and physical features of the Hawaiian Islands, a wide variety of immigrant and native workers busy at large-scale production and harvesting of sugar cane and pineapples, other work, home life, and customs of the native Hawaiians. Portrays such native activities as fishing, cooking, eating, playing football, building canoes, and taking part in the ceremonies at a canoe-launching.
Duroc Record Association, Frank Oberkoetter Studios
Summary:
Addressed to members of 4-H or FFA clubs interested in learning to raise pigs, stating "thousands of boys and girls choose swine for their livestock project work." Provides instruction and guidance for every aspect of the project, from purchasing, showing at the county fair, to reaping profits in the fall. "[P]oints covered include: buying a bred gilt; McLean County sanitation system; importance of accurate record keeping; equipment needed; feeding methods; value of clean pasture; disease prevention; showing at the fair; and the value of pig project work. Suggested for agricultural classes and for 4-H club activities" (University of Michigan Bureau of Visual Education Extension Service, Instructional Motion Pictures, 1940-1941, 8). Suggests that the profitability of such projects will help young people start their own farms. The film shows a young farm couple tending hogs while narration states "if a little boy blesses their home you bet ten to one that he too will get the chance to have the valuable experience of pig project work, just like dad."
Indicates the preparation necessary for entrance into radio work, stressing a strong foundation in science and mathematics. The development of personality and a cultural background is stressed. Gives an overview of radio and its present importance and the application of radio principles to public address systems, sound reproduction, and television.
Tennessee Valley Authority, National Defense Advisory Committee
Summary:
Narration introduces this report as "the story of the development of the Tennessee River," showing ongoing construction of major public works projects conducted under the Tennessee Valley Authority, including dams and hydroelectric plants. Touts the harnessing of waterpower to generate electricity for industry and farmers. Lists the improvements to quality of life in the region brought by electricity, including home amenities, pumped water for irrigation, and community refrigeration for food storage. Emphasizes the development of fertilizer manufacturing, as well as munitions and aluminum for defense industries. Includes footage of Wilson dam, Norris dam, Wheeler dam, Pickwick Landing dam, Guntersville dam, Chickamauga dam, and Watts Bar dam and generating station.
