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321. Life on a dead tree (10:00)

Date:
1957
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Summary:
In exploring a dead tree two boys find that it is the home of many different plants and animals.

322. Life with Grandpa (16:30)

Date:
0000
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Summary:
Shows graphically that people live longer now because of modern medical developments. Discusses the problem of how these people should be supported by pension plans such as social security. Expla...

323. Life with Junior (18:47)

Date:
0000
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Summary:
Outlines a typical day in the life of a ten-year-old boy, stressing the need for the development of his individual aptitudes, abilities, and personality pattern. Pictures the anxieties of parents ...

325. Lines horizontal (06:04)

Alternative title:
Lignes horizontales
Date:
1960
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Summary:
An experimental film created by Norman McLaren and Evelyn Lambart in which a sheaf of lines, constantly gyrating, group and regroup harmoniously in accord with music composed and played on wind and...

326. Logic by machine (29:00)

Alternative title:
Computer and the mind of man
Date:
1962
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Summary:
Provides a basic introduction to electronic computers and their growing role in science and industry. Dr. Hamming explains how speed, cost, and efficiency make computers superior to traditional lab...

327. Looking through glass (18:08)

Date:
1944
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Summary:
Surveys the British glass manufacturing industry and shows the processes of purification and manufacture.

328. Louisiana diary (59:11)

Date:
1964
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Summary:
Documents a Congress of Racial Equality team's six-week voter-registration drive in Louisiana's Sixth Congressional District during the summer of 1963, focusing especially on Iberville Parish. It f...

338. Made in India (12:04)

Date:
1945
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Summary:
Shows that, although India is a land of villages and peasants, she ranks among the great industrial powers. Points out that the traditional handicrafts and the new industries are both essential to...

340. Maintaining workers' interest (12:36)

Date:
1944
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Summary:
Explains that the job of the supervisor includes preventing problems caused by a worker's loss of interest in the job. Narration explains "one of the most powerful spurs to production is the intere...