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Shows opencast mining, sluicing, and bucket dredging in tin mines in the Malay States; tin as it is shipped to the United States; and the processes of making tin plate, tin cans for food containers; and various tin-base alloys.
Presents profiles of President William Henry Harrison and John Tyler with emphasis upon the presidential campaign of 1840. Uses maps, period illustrations, and photographs to highlight their childhood, education, pre-political activities, political growth, campaigning, and achievements in the White House.
Describes the experiences of two African American families when they try to rent an apartment in a middle-sized northern city: one family is repeatedly refused, but the other eventually finds an apartment.
Stresses today's need for foreign language instruction to help foster international cooperation and understanding. Learning of a foreign language by elementary school children by the oral-aural method, before learning to read or write the language is suggested as a valuable teaching technique. Television's contribution to a nonprofessionally trained language teacher in both the teachers' own preparation and the teaching of the class is cited. Specially made films with foreign language narrations can be used to give a link between a language and the culture from which is developed. Language laboratories are indicated as means for allowing students more practice in listening and speaking the language than do conventional techniques.
Pictures Seattle, Portland, San Francisco, Los Angeles, and San Diego to illustrate how centers of commerce develop. Shows how the existence of surrounding farmland, forests, and mineral resources give rise to industrial activity, the creation of jobs, and the building of a city and trading center.
An instructor and a group of high school boys and girls demonstrate the basic fundamentals of trampolining, showing in detail the landing positions, aerial positions, front and back flips, and combinations of these fundamentals which lead to a variety of stunts for the advancing student.
Dr. Koppelman discusses probability in genetics, referring to Mendel's findings on the subject. He compares what happens on the average versus what happens every time.
Shows how to check the transmission gear shift mechanism; how to inspect the drive shaft and the differential; how to check differential backlash; and how to test the running condition of the transmission, drive shaft, and differential.
Describes the handling and processing of waste from the time it is discarded into separate garbage cans to the point where it is used in new and repaired goods. Shows the collection, separation grading, preparation for melting, and distribution of refuse to centers according to its usefulness. Depicts the repair of discarded toys and the feeding of hogs and surveys the activities of the department of sanitation.
Shows the actual excavation of pre-Columbian sculpture at Veracruz, Mexico, by a National Geographic Society-Smithsonian Institution expedition. Emphasizes the discovery of the largest deposit of jade ever found.
