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Reveals the activities, customs, and traditions of the Watussi, an African people characterized by their advanced culture. Shows the ruling prince and royal family and activities in the royal household, including weaving, decorating, cooking, and churning. Portrays the prince as he inspects his cattle and leads a hunt, and depicts his young son presiding over a ceremonial dance.
Encyclopaedia Britannica Films, Donald A. Dukelow, Larry Yust
Summary:
Deals with the actions of community health organizations in their efforts to fight disease. Shows the functions of the department of health in preventing and controlling the spread of contagious diseases as the film follows the developments in a successful attempt to stop a typhoid epidemic in its early stages. Relates the jobs of the school nurse, doctor, laboratory technician, visiting nurse, and food inspector in protecting the community health. Encourages children to observe personal health rules and to keep their homes and towns clean.
Encyclopaedia Britannica Films, Alexander A. Nikolsky, Hal Kopel
Summary:
Describes the unique contribution of the helicopter to transportation; explains how the helicopter flies and how it can be controlled; compares the helicopter with the conventional plane. Demonstrates the operation of many types of helicopters which are being flown today and points out the potentialities of the helicopter for reshaping the pattern of transportation.
Encyclopaedia Britannica Films, O. W. Eshbach, Warren P. Everote
Summary:
Develops the law of falling bodies and credits Galileo for his work in this area. Shows by experiment and slow motion photography that all bodies fall at the same rate of speed and uses the inclined plane to determine speed, acceleration, and distance traveled in given times. Derives the formulas S=10t(2), S=1/2at(2), and S=1/2gt(2).
Theodore Kautzky demonstrates techniques in drawing a scene with pencil. Emphasizes the following points: general design, thumbnail sketching, preparation of the pencil point, drawing sharp lines, making broad masses, and achieving textures of wood, brick, shingles, stone, and foliage.
Encyclopaedia Britannica Films, Larry Yust, Archer Goodwin, William Kay, Harrison Brown, Charles R. McKinney, Leon T. Silver
Summary:
Portrays various methods of measuring long time intervals including the ordinary clock, the movement of the earth about the sun, growth rings of trees, deposition of layers of sedimentary rocks and radioactive decay of uranium with special emphasis on the latter. Indicates the difference between "clocks" which record the number of time intervals measured and those which merely measure time intervals. Shows in some detail how the radioactive "clock" is used to determine the age of rocks on the earth, the age of the earth itself, and the age of the elements from which the earth was formed. Stresses the lack of knowledge concerning the exact nature of time.
Encyclopaedia Britannica Films, Ray A. Billington, William F. Deneen, Henry Ford Museum, Indiana Department of Conservation, Ohio Historical Society
Summary:
The Northwest Territory in 1787; the acquisition of the Louisiana Purchase in 1803 which opened up the Mississippi Valley. Reasons for people moving. Flatboat life on the Mississippi; coming of steamboats; development of manufacturing.
Traces the early 1800 settlement of the Mississippi Valley after the Louisiana Territory purchase. Portrays the sturdy, self-sufficient people arriving by flatboats and wagons, clearing the wilderness for farming, and developing permanent communities. Shows the loyalty codes developed by men in claiming their acreages and in bidding for claims at land association auctions. The area craftsmen and tradesmen are seen at work in their shops.
Encyclopaedia Britannica Films, David Slight, Hal Kopel
Summary:
Defines good mental health, describes its attributes, and emphasizes our steps in acquiring, maintaining, and improving mental health: express emotions naturally, respect yourself, respect others, and solve problems as they arise. Stresses the importance of discussing problems with someone, and briefly shows symptoms of mental ill-health.
Illustrates dynamic aspects of stars within our galaxy and of galaxies themselves by use of animated drawings. Includes changes in the Dipper, binary stars, eclipsing variables, trinary stars, motion of stars in the Hyades and Hercules clusters, apparent star motion due to motion of the solar system, galactic rotation, and a portrayal of the theory of the expanding universe. Also describes the principles of refracting and reflecting telescopes.
Encyclopaedia Britannica Films, Marvin J. Johnson, Milan Herzog
Summary:
Shows the importance of antibiotics in combating certain diseases, and defines antibiotics. Animation illustrates the ways in which bacteria are killed by antibiotics. Pictures their use in accelerating the growth of chickens and hogs. Then emphasizes the research which remains to be done in the field of antibiotics.