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"This film illustrates the difference between World War II and the war of 1914, emphasizing the importance of mechanization, and contrasting the mobile tactics with the immobility of trench warfare. The scientific approach, both to problems of military strategy and to new weapons, is all-important. The film shows some of the work done by Canadian scientists to make these weapons as effective as possible."--National Film Board of Canada description.
A British production made as a fund raising appeal to American audiences to aid British children affected by the Blitz. The film depicts the hardships of life during wartime for children and discusses the relief efforts of the Save the Children Federation.
Examines what has happened in Europe to check the threat of a menancing population growth. Traces the growth of population in Europe from the Middle Ages and suggests that the small-family concept, which began in England in the late nineteenth century, has had more effect on population than any other thing.
The anatomy of the eye is shown in detail by diagram, regular photography, and cinephotomicrography. Demonstrates how to correct defects in focusing, the approved way of removing foreign objects from the eye, correct lighting precautions, and other measures for good eye hygiene. A silent teaching film.
United States. Department of Agriculture. Forest Service
Summary:
Shows the work of the U.S.D.A Forest Service forest rangers across the nation's 161 national forests. Narration lists the forest ranger's duty to "manage the vast American woodland to produce more timber for home builders, more forage for stockmen, more fish and game for sportsmen, protected watershed for towns and municipalities, abundant power for hydroelectric plants, and reliable supplies of water for famers who rely on irrigation." Forest fire prevention and fighting, replanting burned and logged areas, search and rescue of missing persons, educating children and enforcing poaching laws are among the jobs of the forest ranger depicted.
United States. Department of Agriculture. Extension Service
Summary:
A history of home construction and architectural styles in the U.S. Emphasizes the homestead as symbolic of American values and national character. "The American farmstead, stronghold of human liberty —its history and social significance. This film presents views of many historic rural homes, from New England to California; points out that they have all been created and maintained by a lavish expenditure of sweat and elbow grease, and that the farm home is of prime importance in our civilization. Of general interest, with a special appeal to students of rural domestic architecture" (Motion Picture of the United States Department of Agriculture, 1945, 22). Includes scenes of New England colonial homes, the Georgian houses of the Chesapeake region, Monticello, Dutch colonial styles of Pennsylvania and the Hudson Valley, the Linnear House of Madison, IN, Andrew Jackson's Hermitage, the Uncle Sam Plantation in Louisiana, and the Spanish Haciendas of the southwest.
Shows various types of micrometers; how to use a micrometer, read the barrel and thimble scales, check the accuracy of readings, and take care of the instrument.
Indicates the basic principle of the standard plain milling machine. Each part of the machine is named and explained, and some elementary setups are demonstrated.