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Demonstrates active vasomotion as it occurs in arterioles, terminal arterioles, and precapillary sphincters and as it affects the capillary bed in a bat's wing.
Introductory scenes show the techniques used for mounting bats and recording the circulation in their wings. A view of the general distribution of the vascular components is followed by more detailed views of flow behavior in the various vessels, examples of lymphatic action, and the flow across the capillary bed.
Detailed reactions of the minute vessels and the blood which modify the flow through these regions are demonstrated by high magnification of a bat's wing. The form and behavior of the platelets within the circulation are shown before and after a mild injury.
Shows many phases of the work at a large municipal airport, including the buildings, the radio room, the reservation desk, the preparation of the plane, the take-off, and the control of private planes.
Surveys the natural resources of Washington and Oregon, which are shown to depend upon the water supply, which in turn depends on lumbering and forestry management. Two boys from a conservation club observe many steps in the reforestation process and various phases of lumbering and the manufacture of wood products.
Traces early development of the camera: how first efforts of March in France, Muybridge in U.S. came about as a result of movements of animals and humans. How subsequent development by Lumiere and Edison brought about the modern motion picture camera and projector.
Relates the history of man's effort to photograph and reproduce living movement. Includes the first scientific study of movement, involving 24 cameras stationed at intervals along a horse's path, Thomas Edison's work, and Lumiere's commercial projector for large audiences.
Glimpses at the origin of the motion picture, the contribution of Muybridge, Edison, and Lumiere, and fragments of the screen's first "epics." | Glimpses at the origin of the motion picture, the contribution of Muybridge, Edison, and Lumiere, and fragments of the screen's first "epics."
Presents a historical, cultural, scenic, and climatic picture of Colombia's mountain city capital, Bogota. Shows the type of clothing and architecture prevalent in a region of such little seasonal variation. Pictures the extensive park system, the winding boulevards, and the market place abundant with fruits, vegetables, and cut flowers.
Division of Visual Aids, U.S. Office of Education, Federal Security Agency, Ray-Bell Films, Inc.
Summary:
Shows how to assemble broaching inserts in right- and left-hand toolholders, how to mount and adjust toolholders in the double ram; how to mount and adjust the work fixtures; how to set trip dogs for the ram stroke; how to measure the workpiece after trial broaching; and how to surface-broach on a double ram vertical broaching machine at a production rate.
Describes the farmers of the Andes as a primitive people without the benefits of technology, showing the tireless Incas who till the mountain soil at altitudes of 10,000 to 15,000 feet. Discusses the role of the llama, alpaca, and vicuña in providing meat, milk, and hides for these farmers; illustrates how corn and wheat are irrigated by ditches dug by ancient Incas; and shows views of the primitive methods used in threshing and winnowing.
Division of Visual Aids, U.S. Office of Education (Producer), Federal Security Agency (Producer), Emerson Yorke Studio (Producer)
Summary:
Shows how to prepare the machine or the job; how to select and set up a back rest; how to adjust the back rest during grinding; how to rough- and finish-grind the long shaft; and how to check and adjust the taper.
Division of Visual Aids, United States Office of Education (Producer), Federal Security Agency (Producer), Emerson Yorke Studio (Producer)
Summary:
Shows how to mount and dress the wheels on the two-spindle grinder; how to prepare the diaphragm chuck; how to plunge-grind the bore and adjust for taper; and how to grind the shoulder and flange parallel at right angles to the bore.
An Academic Films presentation of the pianist playing Liszt’s Sixth Hungarian Symphony and Liebestraum. | Gyorgy Sandor plays Leibstraum and Sixth Hungarian Rhapsody, by Franz Liszt.
Demonstrates the production and utilization of seven types of 3 1/4" x 4" handmade slides by teachers and pupils in various school situations. Stresses sources of picture material and special production techniques, such as the placement of the copy, its size, the use of a margin guide, and binding techniques.
Tells the story of a boy's trip to visit friends in Costa Rica. He lives in the home of an upper-class Costa Rican family, sharing their life and activities. He goes to see the public schools, the city market, native animals in the zoo, and the large plantations. Emphasizes the similarities and differences between life in Costa Rica and the United States.
Shows how to use the gage manifold in building leak-testing pressures in a domestic refrigerator; how to test for sulphur dioxide and methyl chloride leaks; how to use the halide torch to locate freon leaks; and how to repair several types of leaks.
Stresses the importance of teeth in the digestive system, identifies and explains the purposes of the different teeth, and shows tooth development from infancy, the structure of teeth, how tooth decay starts, and the necessity for correct diet. A classroom film.
Presents several experiments to illustrate the characteristics of oxygen, including the effects of free oxygen upon mice and a lighted candle, the separation of liquid oxygen from liquid air, the breakdown of water by electrolysis, the freeing of oxygen from mercuric oxide by a catalyst, and the action of spontaneous combustion.
The Phillips "66" championship team demonstrates basketball fundamentals. Slow motion and stop motion photography are used frequently to show techniques as follow-through, pivoting, passing drill, tipping drill, defensive, offensive breaks, and the various shots.
Uses such situations as computing a baseball player's batting average and adapting a recipe to illustrate the principles and uses of ratio and proportion. Explains the terms used, the difference between ratio and proportion, and the application of the principles to gears.
George follows carefully planned preliminary operations in getting ready to type. Jane, who makes her preparations haphazardly, learns later to practice George's methods and is then ready to type with self-control and self-confidence.
Compares the Columbia, Colorado, and Sacramento-San Joaquin river systems to show what man has done to utilize each to his advantage. Illustrates the adaptation of the rivers to diverse uses--as avenues of commerce, for logging and fishing, for electrical power, and water.
Includes harbor activities at the ports of San Francisco, Puget Sound, San Diego, Los Angeles, and Portland. Also shows how Los Angeles, lacking a good natural harbor, built one by erecting huge breakwaters at nearby San Pedro.
Pathescope, Charles J. Vierck, Charles D. Cooper, Paul E. Machovina, Ralph S. Paffenbarger, Hollie W. Shupe
Summary:
Designed to be used with an engineering drawing text. Describes the relationship between the making of a drawing and various production operations in shop and factory. Then shows representative operations in the pattern shop, the foundry, the forge shop, the machine shop, and the assembly shop which depend upon the drawing.
Pictures Seattle, Portland, San Francisco, Los Angeles, and San Diego to illustrate how centers of commerce develop. Shows how the existence of surrounding farmland, forests, and mineral resources give rise to industrial activity, the creation of jobs, and the building of a city and trading center.
Animated experimental film of the painting 'Isle of the dead' by nineteenth century painter Arnold Böcklin. The ghost-like island wakes to mysterious life, flickers momentarily in a corpse-candle light and fades into darkness.
Includes scenes of performing seals, underwater basketball, cliff diving, water skiing, canoeing in rapids, motor boat feats, and synchronized swimming.
Encyclopaedia Britannica Films Inc., Wilbur Johns, Norman Sper
Summary:
Analyzes defensive footwork action in basketball by first demonstrating the correct stance. Slow motion and close-up photography then portray the two basic defensive moves: the parallel movement, which governs lateral guarding motions, and the stride, which governs advancing and retreating motions. Emphasis is placed on the correlation of arm movement with footwork, turning, pivoting, and getting into position for taking the ball on the rebound.
Presents technical developments in the preservation and transportation of foods, the economic problems involved, and the world flow of foods. Depicts how such developments have increased the possibilities of distributing perishable foods on a world basis. Shows the problem of family income, maintaining flow of food from producer to consumer, the problem of tariffs, and the intercontinental movement of major foods on an animated map background.
Shows how freedom was prized during World War II despite its high cost in desolation and hunger and how more fortunate peoples helped liberate Europe by fighting the threat of famine.
With close-up photography of cod fillet, habibut steak, and whole dressed white fish, demonstrates three basic methods for cooking fish at home, boiling, and baking. Illustrates the use of garnishes to give eye-appeal and added nutritive qualities to fish when it is served.
Explains and illustrates in detail simple stunts for strength, stunts for skill, and stunts with sticks. Demonstrates the techniques and benefits of stunt variations, and emphasizes safety precautions.
In this film, impairment of skilled acts by disorders of coordination is demonstrated. Also shown are cases of paresis or paralysis of participating muscles; hemiplegia; ataxia in multiple sclerosis; parkinsonism with akinesia and rigidity, and apraxia. Film 6 in Columbia University educational films teaching collection.
Shows camera highlights of the Indiana state basketball tournament and the state track meet. Should be of interest from the point of view of studying accomplishments and techniques as demonstrated.
Describes the organization structure of the Boy Scouts and how scouts move through the ranks, from starting as a Cub at age 9 to Rover at age 19. Emphasizes how the Boy Scouts of America provide constructive activities, give moral guidance, and cultivate desirable qualities in boys and young men, forming them into responsible and engaged citizens.
This gun safety film takes a humorous approach to demonstrate how some gun owners endanger others while handling a firearm. If a bad practice exists while handling a firearm then Harry is certain to exhibit it.
A story of land economy and one man, Bill Bailey of Clarksville, Tennessee, through whose foresight and untiring effort the Four Pillars of Income were established in Montgomery County, Tennessee (adapted from the Reader's Digest story of the same name by J. P. McEvoy).
Phillip Stapp, Tony Kraler, Nathan Sobel, International Film Foundation
Summary:
By means of animated lines, figures, and scenes, film illustrates through everyday happenings how "a line may be many things" and "a line is only an idea." Makes a plea for tolerance and a breaking down of all types of barriers between people.
A plea to eliminate the arbitrary boundary lines which divide people from each other. Presented in stylized animation.
Shows how to select the tool for the job; how to set up the job; how to calculate speed, feed, and depth of cut; how to machine on a lathe, using a single-point carbide tool; and how to correct unsatisfactory machining.
United States. Department of Agriculture. Forest Service
Summary:
Shows the necessity for U.S. Federal regulation of the nation's timber to insure protection and perpetuation of this vital resource. Shows that poor management practices for quick exploitation of privately owned forest lands have negative consequences for all citizens. "Private forest lands supply nearly 95 percent of all our forest products and the way they are managed is of daily importance to millions of individual Americans. Assured protection and proper management of our forests is a federal as well as a State responsibility because dependence on forests is interstate and national. This picture shows what can be done to stop destructive cutting practices, to restore and maintain a thrifty growing stock of valuable trees, and to safeguard forest production for the years ahead" (Motion Pictures of the United States Department of Agriculture, 1945, 24). Proposes a system of local regulation administered by local experts in forestry and the lumber industries. States that government regulation will not only protect and improve forest productivity, but will conserve and protect all natural resources and benefit the economic health of the nation.
Division of Visual Aids, U.S. Office of Education (Producer), Federal Security Agency (Producer), Ray-Bell Films, Inc. (Producer)
Summary:
Explains why accessories are used with gage blocks; shows how to inspect a plug gage, an adjustable snap gage, a profile gage, a ring gage, and a screwthread pitch; and shows how to build a height gage and scriber.
