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Immigration (1947)
The story of immigration into the U S from colonial times to the present day, stressing the contribution made by
Human Brain, The (1954)
Describes the development of the brain in several animals and in man. Names the parts of the human brain and dramatizes the thinking process using a driver in traffic situations as an example. Contact footage@avgeeks.com for more information. human-brain-the-1954
Westward Movement, The (1941)
Pictures thru animation westward migration of peoples across united states during period of 1790 to 1890. Portrays routes of migration & transportation, increase in & distribution of population, extension of settlement, & admission of states to the Union. Contact footage@avgeeks.com for more information. westward-movement-the-1941
Pipeline to the Clouds (1951)
Presents the story of water-supply in the American community. Explains both the sources of water, including the hydrological cycle and the techniques of water treatment. Discusses the causes of water-supply crises and illustrates experiments for meeting shortages. Concludes with suggestions as to what the average citizen can do to assure an abundant supply of safe […]