61. Bill Jack vs. Adolf Hitler (18:11)

Date:
1943
Summary:
Shows how the Jack and Heintz Company, in Cleveland, greatly increased its output during World War II through improved personnel policies.

62. Biography of the motion picture camera (20:23)

Date:
1947
Main contributors:
Roger Leenhardt, Film Images, Les Films du Compas
Summary:
Traces early development of the camera: how first efforts of March in France, Muybridge in U.S. came about as a result of movements of animals and humans. How subsequent development by Lumiere and Edison brought about the modern motion picture camera and projector. Relates the history of man's effort to photograph and reproduce living movement. Includes the first scientific study of movement, involving 24 cameras stationed at intervals along a horse's path, Thomas Edison's work, and Lumiere's commercial projector for large audiences. Glimpses at the origin of the motion picture, the contribution of Muybridge, Edison, and Lumiere, and fragments of the screen's first "epics." | Glimpses at the origin of the motion picture, the contribution of Muybridge, Edison, and Lumiere, and fragments of the screen's first "epics."

64. Birds that eat insects (05:49)

Date:
1952
Summary:
Explains how the physical structure of birds is adapted to the kind of food they eat, and points out characteristics of birds that eat insects. Draws attention to the strong wings and wide bills of birds that chase insects in the air; the small size and agility of birds that hunt in bushes; and the strong chisel-shaped bill of woodpeckers. Shows the swallow, nighthawk, kingbird, chestnut-sided warbler, black-billed cuckoo.

65. Blessings of Grass (20:33)

Date:
1940
Main contributors:
United States. Department of Agriculture, United States. Department of Agriculture. Forest Service
Summary:
Introduced as "the story of cattle grazing in the national forest," the film depicts cooperation between the Forest Service and local ranchers to manage the grazing of herds on public land. Original USDA catalog entry states: "Range management in the western national forests. Shows how to perpetuate grazing lands by protecting them from overuse by livestock and thus insure the income of ranchers and communities dependent on the livestock and grazing industry for a living" (Motion Pictures of the United States Department of Agriculture, 1945, 41). Depicts rounding up, branding and inoculating cattle in preparation for driving from private range land to National Forest. Shows duties of Forest Rangers, including monitoring fences and health of grasses. Cutting, raking and stacking of hay using mostly horse-drawn implements is shown. Concludes by showing that U.S. Forest Service range management has helped western "cow towns" to prosper and grow.

66. Block That Termite (19:43)

Date:
1940
Main contributors:
United States. Department of Agriculture. Bureau of Entomology and Plant Quarantine
Summary:
A presentation of the Bureau of Entomology and Plant Quarantine's code for the prevention of termite infestation. Using animated diagrams and detailed photography of actual termite infestations, the film educates builders and homeowners in inspection, remediation and prevention methods. Poor construction practices invite the ravages of these devastating insects. The film shows how buildings can be protected from further damage and points to be observed undertaking new construction. "It costs us 50 million dollars a year to feed the termites, it costs far less to block them," concludes the narrator.

67. Blues and boogie (08:48)

Date:
1942
Summary:
Musical performance revue that includes three separate songs in this order: Some of these days, Caldonia, and Is you is, or is you ain't my baby?

68. Bogota (capital of Colombia) (10:36)

Date:
1947
Summary:
Presents a historical, cultural, scenic, and climatic picture of Colombia's mountain city capital, Bogota. Shows the type of clothing and architecture prevalent in a region of such little seasonal variation. Pictures the extensive park system, the winding boulevards, and the market place abundant with fruits, vegetables, and cut flowers.

70. Boundary lines (11:11)

Date:
1945
Main contributors:
Phillip Stapp, Tony Kraler, Nathan Sobel, International Film Foundation
Summary:
By means of animated lines, figures, and scenes, film illustrates through everyday happenings how "a line may be many things" and "a line is only an idea." Makes a plea for tolerance and a breaking down of all types of barriers between people. A plea to eliminate the arbitrary boundary lines which divide people from each other. Presented in stylized animation.