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Develops basic concepts of electrical distribution, both cross-country and within the home. Complete distribution system is explained, with demonstrations of "line loss" and the use of fuses for ov...
United States. Office of the Coordinator of Inter-American Affairs
Summary:
A narrated travelogue addressed to viewers in the U.S. shows life in several small towns surrounding Lake Atitlan, Guatemala. Shows rope making from sisal hemp and traditional textile weaving. Conc...
Shows the importance of corn as an economic commodity. Illustrates the nature of the corn belt of the United States by utilizing sixty-one widely scattered locations. Emphasizes the role of corn a...
Shows the importance of corn as an economic commodity. Illustrates the nature of the corn belt of the United States by utilizing sixty-one widely scattered locations. Emphasizes the role of corn a...
Demonstrates modern techniques for teaching primary grade pupils to read, write, and do simple arithmetic. Shows children, participating in such classroom activities as reading-readiness tests, sto...
Shows interlocking of effects of the endocrine and nervous systems in man; illustrates the types of nerve cells and impulse transmission; explains the functions of the cortex, cerebellum, hypothala...
[motion picture] A skilled potter demonstrates the four methods of glaze application: dipping, pouring, brushing, and spraying. Specific techniques and good craftsmanship are emphasized. Proper p...
Presents a high-school class studying god citizenship in the community and in the school. Dramatizes the manner in which the student committees organized projects for improving school elections, ch...
ERPI Classroom Films, Inc.; Encyclopaedia Britannica Films Inc.
Summary:
Promotes the catalog of ERPI Classroom Films to educators, presenting excerpts from dozens of films with narration extolling their effectiveness (ERPI Classroom Films was the predecessor to Encylop...
United States Information Agency; United States. Office of the Coordinator of Inter-American Affairs
Summary:
The value of Brazilian quartz to the allied war effort is shown as narration proclaims "two-way radio is the one really new instrument in the armory of warfare." Explains the value of quartz in rad...
A Columbia short subject presentation, distributed for classroom exhibition by Teaching Film Custodians. Presents Stanley Brown, Donald Grayson, and others in a program of Stephen Foster songs: Oh ...
[film] Filmed principally on the campus of Indiana University, this film depicts the activities of various organizations and classes as they contribute to the war effort. Shows President Wells meet...
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 possi...
Shows how the horizontal boring, drilling, and milling machine operates; how to install the fixture; how to set up the workpiece; and how to select and install an end mill and a face mill.
Shows how to drill the saw starting hole; how to make the saw selection; how to set up a band saw machine; how to weld saw bands; how to saw an internal contour shape; and how to remove and store a...
Shows types of reamers; how to check the size of reamers; and how to ream straight holes with straight-fluted helical-fluted, and adjustable-blade reamers.
Shows the principle of centerless grinding; the basic elements of the centerless grinding machine; the basic principle of thrufeed grinding; how to set up the machine for an actual job (limited to ...
Shows how to set up the turret lathe for the production machining of bushings from bar stock; how to install the collet; how to set up the hexagon turret; and how to set up the cross slide.
Shows how to mount on a special fixture for machining an irregularly shaped casting which cannot be held in a chuck; how to mount and center the fixture on a lathe; and how to grind tools for the m...
Shows how to balance the grinding wheel; how to position the work for grinding; how to adjust the work guides; how to take the trial grind; how to eliminate taper in the workpiece; how to use a cro...
