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342. Navajo Indians (10:52)

Date:
1939
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Summary:
Tells the story of Taska and Alnaba, a young Navajo couple who are betrothed. Portrays their native environment and such activities as building a home, tilling the soil, tending sheep, carding the...

343. Navajo rug weaving (16:23)

Date:
1970
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Summary:
The Navajo rug-weaving process begins with sheepshearing, followed by carding and hand-spinning the wool into yarn. The yarn is then dyed using handmade dyes. Weavers set up a loom and employ intri...

344. New Approaches in Smoking Cessation (1:29:00)

Date:
1997
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Summary:
Discusses effective counseling and pharmacotherapy of smoking cessation. Includes special presentation from former U.S. Surgeon General, C. Everett Koop, MD.

345. New England (11:33)

Date:
1944
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Summary:
Explains how industrialized New England, unable before the depression to compete with the cheap labor of the South and some foreign countries, diversified her economy and became a leader in such te...

346. New Frontiers in Space (26:17)

Date:
0000
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Summary:
Describes man's interest in the world of space and portrays some of his exploratory efforts. Shows how the Hayden Planetarium conducts an imaginary trip to the moon, describes Mount Palomar Observ...

347. New Frontiers of Medicine (17:43)

Date:
1948
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Summary:
Discusses recent drug discoveries such as sulfa, penicillin, and streptomycin; increased opportunities for medical students from all parts of the world to study in this country such problems as the...

349. New Ways in Farming (15:35)

Date:
1947
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Summary:
Shows three distinct tendencies in present-day farming: large-scale, factory-style farming with crops scientifically scheduled and treated; the cooperative technique under which small land-owners g...

350. Newspaper story (16:45)

Date:
1950
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Summary:
Follows the newspaper story of a little girl rescued by some Boy Scouts from the time the reporter learns of it until the completed paper is sold on the street. Explains the work of the staff memb...

351. Newton's law of gravitation (29:36)

Date:
1959
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Summary:
Explains the fundamental principles behind Isaac Newton's law of gravitation and introduces the key equations associated with it.

352. Nobody's Children (17:28)

Date:
1946
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Summary:
Discusses the problems involved in adopting children today. Shows acceptable procedures of adoption, the precautions taken to insure future happiness, the dangers of black-market adoptions, and the...

357. Nuclear Radiation Detectors (17:02)

Date:
1961
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Summary:
Uses live-action photography and animation to survey alpha, beta, and gamma radiation and their characteristics; the instruments used to measure these types of radiation; and the principles basic t...

359. Operation and Care of the Bell and Howell Sound Projector (21:40)

Date:
1951
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Summary:
Shows in detail the setting up of the Bell and Howell 16mm sound motion picture projector. Also gives information on oiling and greasing at stated intervals and replacing feed and take-up belts, p...

360. Operation and Care of the Kodak Pageant Projector (11:25)

Date:
1962
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Summary:
Explains the set-up and operation of the Kodak Pageant motion picture projector. Shows proper placement of components for effective use, threading, focusing, and centering the picture on the scree...