71. The dolphin kick (08:16)

Date:
1956
Main contributors:
Jorhal Pictures, Francis Dixon
Summary:
Slow-motion and underwater photography are used in demonstrating how swimming students emulate the motins of the dolphin as they learn the dolphin kick, the accompanying body undulations and the butterfly arm action which combine to increase the power of the breast stroke. Educational author, Francis Dixon.

72. The dynamics of the circle (14:20)

Date:
1963
Main contributors:
Mannis Charosh, Pelican Films
Summary:
Describes a geometric circle and defines and illustrates such terms as radius, congruent circles, chord, diameter, major and minor arcs, semicircles, and central angle. Shows the relationship between a central angle and its arc; presents methods for proving arcs equal in degrees and length; and describes the relationships of a diameter, a chord, and its intersected arcs.

73. Dynamics of solution (14:57)

Date:
1962
Main contributors:
Ellis Katzman, Elbert C. Weaver, John A. Skarulis, William H. Pasfield, Ross Lowell, Herman J. Engel, Robert Braverman, Peter Robinson, Geraldine Lerner, Max J. Rosenberg, Fisher Scientific Company
Summary:
Demonstrates the differences between saturated, unsaturated, and supersaturated solutions; that solutions are dynamic, not static in character; and also shows suspensions and colloidal dispersions. Presents characteristics of solutions and explains insolubility, solutions without chemical reactions, mixtures, suspensions, and the Tyndall effect in colloidal dispersions.

74. Distance races (10:04)

Date:
1938
Main contributors:
Erpi Classroom Films, Lawson Robertson, Dean Cromwell, Brutus Hamilton, Harold A. Bruce, Amateur Athletic Union of the United States
Summary:
Includes races from 1,000 to 10,000 meters and steeplechase. Style of distance runner contrasted vividly with that of dash man. Differences in typical physiques. Steeplechase portrays various methods employed by participants in clearing barriers. An instructional sound film.

75. New York Fair '64 (14:05)

Date:
1964
Summary:
Home movie of the Feil family attending the New York World's Fair in spring 1965. Shows Naomi, Beth, and Vicki visiting the Dinoland Pavilion, buying personalized hats, and riding a carousel. In the Billy Graham Pavilion, the film captures a screening of "Man in the 5th Dimension". Also shows the exteriors of the Chrysler and Berlin exhibits, the fairgrounds at nighttime, and the S.C. Johnson film "To Be Alive!". A pregnant Naomi dips her feet in a fountain. Ends with the family riding the subway.

76. Exploring the human nervous system (22:50)

Date:
1963
Summary:
Compares the nervous systems of the hydra and earthworm with the complexity of the human nervous system. Details the physiology of the reflex arc and explains the activities of certain brain centers. Pictures laboratory experiments in which the encephalograph is used and explains its functions. Shows application of knowledge to actual techniques in brain surgery.

78. The fish that turned gold (16:14)

Date:
1962
Main contributors:
Indiana University. Audio-Visual Center
Summary:
Presents the story of a goldfish from spawning until the goldfish is sold to a child. Begins at the world's largest goldfish hatchery. Introduces the main character, Goldey, developing inside a goldfish egg and follows his growth. Shows the goldfish's appearance, size, natural habitat, food, and adjustment to a home aquarium environment. Provides story-telling material through a dream sequence involving Goldey and Silvey, a silver fantail.

80. Lessons in Living (21:39)

Date:
unknown/unknown
Main contributors:
Brandon Films, Inc
Summary:
Shows the community of Lantzville, British Columbia, a cross-section of nationalities and industrial groups, with a drab and neglected school. The interest of a school inspector inspires a complete transformation of the physical plant and the teaching. The pupils enter into the plans enthusiastically and accomplish a great deal; as a result they have increased interest and pride in their school.