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Demonstrates proper method of cleaning teeth, massaging the gums using dental floss, and shows results of improper brushing. Discusses dentifrices and care of brush.
Teaching Film Custodians release of a Motion Picture Association of America short film. A high school student, who is having difficulty understanding the textbook explanation of osmosis, discusses ...
Depicts the value to be derived by all from effective public relations between business, labor, government, and the people. The role of public relations personnel is shown, as is the type of course...
Shows Guatemala's natural resources, crops, and other products. Includes the cultivation of coffee, bananas, corn, pepper, cinchona for quinine, and plants for rotenone. Includes a short Spanish l...
Features silent footage of Indiana University's "Marching Hundred" band, with Daniel L. Martino, director, and Charles F. Keen, assistant director, who are featured in a brief close-up. Includes q...
Presents a 1948 report on the School Camp experiment authorized by the Board of Education of the City of New York and conducted in cooperation with Life Camps, Inc. Shows numerous examples of chil...
The Conservation Foundation; New York Zoological Society; John H. Storer
Summary:
The fourth in the "Living Earth" series. Shows what happens when nature's balance is upset by exploitation of natural resources. Suggests that organized planning and conservation can arrest the d...
Illustrates the different methods used by various salespeople. Shows how suggestive and descriptive selling aids the customer, the individual salesclerk, and the store.
Demonstrates three slab methods of pottery-making. Shows wedging, forming a candleholder directly from a lump of clay, rolling a slab for a simple tile, and constructing a flower container from sev...
James W. McBain; Encyclopaedia Britannica Films Inc.
Summary:
Illustrates in a school laboratory how lye and fat are combined to make soap, and explains, by animated drawings, the chemical action (saponification) which takes place when the mixing occurs. Por...
Photographed at the McMath-Hulbert Observatory, near Lake Angelus, Michigan, this film presents five types of solar disturbances or prominences, including quiescent, spot, cap, quasi-eruptive and l...
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 detai...
Behavior of blood and vascula...; Behavior of blood & vascular
Date:
1948
Summary:
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 wit...
Describes the opportunities for building a permanent career in retail selling by starting as a salesclerk and moving through the higher levels of employment to the position of a buyer.
Dramatizes the work of the six law-enforcement agencies of the Treasury Department, which are shown dealing with smuggling, narcotics running, illegal production and sale of alcohol, counterfeiting...