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Presents some of the steps and procedures involved in conducting controlled breeding experiments and shows the results of some genetic crosses. Introduces three important areas of genetic research....
Pictures the globe as a model of the earth and points out the representative shape and color of land and water areas. Identifies the continents and compares their sizes and locations. Uses animatio...
Shows methods used by archaeologists to discover, excavate, study, and interpret a buried prehistoric American Indian culture. Shows the workers digging the site, the uncovering of an artifact, sor...
Discusses the individuality of artistic techniques. Follows Reginald Pollack as he attempts to find creative inspiration in nature. Shows the benefits of studying other artists' work.
Surveys the geography and people of India. Includes the topography; the effects of the monsoon winds and the other climatic factors; India's ancient cultural heritage; the village life and primitiv...
Shot in Burma during the Denis-Roosevelt Asiatic Expedition (1939), led by filmmaker Armand Denis and his wife Leila Roosevelt. In Rangoon, views of the Shive Dagon Pagoda and huge bamboo irrigatio...
Shows how to remove blades from inserted-blade type cutter; how to off-hand grind individual teeth; how to reassemble and align cutter blades; how to circle grind; how to surface grind all tooth-re...
Division of Visual Aids, U.S. Office of Education (Producer); Federal Security Agency (Producer); Emerson Yorke Studio (Producer)
Summary:
Shows how to prepare the machine or the job; how to select and set up a back rest; how to adjust the back rest during grinding; how to rough- and finish-grind the long shaft; and how to check and a...
Division of Visual Aids, United States Office of Education (Producer); Federal Security Agency (Producer); Emerson Yorke Studio (Producer)
Summary:
Shows how to mount and dress the wheels on the two-spindle grinder; how to prepare the diaphragm chuck; how to plunge-grind the bore and adjust for taper; and how to grind the shoulder and flange p...