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526. Diesel Locomotive (11:17)

Date:
1950
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Summary:
Explains the operation of the engine of a diesel locomotive and all the steps in serving a diesel locomotive between runs.

528. Discovery: Who Walked Here? (29:30)

Date:
1957
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Summary:
Shows how animal tracks may be identified and explains how various types of tracks are classified. Demonstrates the making of track stamps through the use of potatoes. Discusses the making of plas...

530. Supervising women workers (11:19)

Date:
1944
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Summary:
A line supervisor discusses with a foreman his problem in supervising the women in his department. The fact is brought out that the same rules apply in supervising both men and women, but that wome...

531. The first priority (29:24)

Date:
1961
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Summary:
Explains the global food problem and the work of the United Nations Food and Agriculture Organization's Freedom from Hunger Campaign to build long-term food production capacity through science and ...

532. Contour Face Milling (16:47)

Date:
1947
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Summary:
Shows how to set up the job; how to align the workpiece square with the spindle; how to make a rough facing cut; and how to make a facing cut.

533. Installing Surface Metal Raceway (21:15)

Date:
1945
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Summary:
Shows how to plan the job; how to use molding raceway fittings; how to install a molding raceway run to a ceiling outlet; how to install a run from a ceiling outlet to a wall switch; how to install...

534. Women in Defense (11:12)

Date:
1941
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Summary:
Work of American women in the war effort: in scientific research, in industries taking the place of men, and in volunteer work--making bandages, contributing to blood banks, etc. Commentary by Kat...

535. How it evolved (29:06)

Alternative title:
American business system
Date:
1963
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Summary:
Examines the development of the American business system from the colonial handicraft economy to large, diversified corporations, emphasizing the growth of the corporate form. Explores the impact o...

536. Hans Werner Henze (29:28)

Alternative title:
Creative person
Date:
1967
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Summary:
Presents a study of the music, personality, and philosophy of the contemporary German composer, Hans Werner Henze. Relates the social meaning and attributes of his music. Shows Henze composing and ...

537. The time of their lives (28:24)

Date:
1962
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Summary:
Shows views of one single session of a kindergarten in action, picturing the warmth, the laughter, and the educational values that are found there.

538. The nation's resources (29:06)

Alternative title:
American business system
Date:
1963
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Summary:
Explains the role of the nation's productive resources, including land, labor, capital, and entrepreneurial or managerial talent, in the production of goods and services. Uses examples from South C...

539. Demonstrations in perception (25:29)

Date:
1951
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Summary:
Presents demonstrations developed by the Institute for Associated Research and used at Princeton University for research in perception, including apparatus designed to illustrate perceptual phenome...

540. Work and energy (29:29)

Date:
1958
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Summary:
The principle of work is introduced and the different systems of units commonly used for measuring work done are compared. Potential energy and kinetic energy are defined, and visual aids are used ...