18731. They steamed to glory (22:09)

Date:
1962
Summary:
A documentary of the steam engine and the part it played in the westward expansion of the United States, from its earliest beginnings in 1831 when the John Bull was brought from England, to the las...

18732. Color lithography : an art medium (31:44)

Date:
1955
Summary:
Shows the preparation of a lithographic stone and methods of drawing on stone with crayons and Tusche liquid. Demonstrates the processes needed for three-color printing and presents and discusses e...

18733. The growth of London (22:18)

Date:
1952
Summary:
Uses actual scenes, models, diagrams to present a survey of the principal events which shaped London and the British Empire. Discusses the position of London on the Thames, the Roman conquest, the ...

18734. The magnificent Canada goose (10:07)

Date:
1954
Summary:
Major flyways, breeding grounds, wildlife refuges, and work of conservation departments to bring back the almost extinct Canada goose.

18735. Light Perception (30:19)

Date:
1962
Summary:
Dr. George Wald discusses visual functions, including the chemical construction of the eye.

18737. Axioms in algebra (13:18)

Date:
1960
Main contributors:
Bruce Cornwell; Katharine Cornwell
Summary:
Employs animation and live photography to present a series of examples demonstrating axioms as statements accepted as true without proof and applies these axioms to addition, subtraction, multiplic...

18738. Demonstrations in perception (25:29)

Date:
1951
Main contributors:
See Other Contributors
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...

18739. Fidel Castro (26:23)

Date:
1964
Summary:
Depicts the history of Cuba during Castro's lifetime to indicate why Castro has chosen a particular course and shows how Cuba has been affected by Castro and his policies. Tells of the rule of Bati...

18740. Union of South Africa: its land and its people (17:01)

Date:
1961
Summary:
Presents the story and history of the Union of South Africa, its people, major cities, and industries. Shows typical European family life in rural and urban areas and compares life on a native rese...