31. Duel at the OK corral : western legend (1:04:02)

Date:
1954
Main contributors:
William J. Thiele, William Bruckner, Jack Chertok, Lee Van Cleef, Kenneth Tobey, Henry Morgan, Keith Richards, Lyle Talbot, Peter Hanson, Teaching Film Custodians
Summary:
Teaching Film Custodians abridged classroom version of an episode of the Cavalcade of America television series, "Duel at the OK Corral" (season 2, episode 20), which originally aired March 9th, 1954 on ABC-TV. This film highlights the efforts of Marshall Wyatt Earp to free the West of dangerous armed gunmen. Earp's activities in Dodge City, Kansas, in Deadwood, South Dakota, and in Tombstone, Arizona are featured.

32. Durer and the Renaissance (13:55)

Date:
1961
Main contributors:
Beatrice Farwell, Paul Falkenberg
Summary:
Discusses the life of Durer and the pivotal point he represented in connecting the artistic development of Italy and Northern Europe. Presents examples of his work that show his passage from the Middle Ages to the Renaissance. Develops the idea that through a study of his work the fusing of his Gothic inheritance and the organic Renaissance can be observed.

33. 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.

34. Evening care (07:08)

Date:
1943
Summary:
Stresses that the obligation of each hospital corpsman in the Navy is to be cheerful and make each patient comfortable. Demonstrates an alcohol rub which will prevent pressure sores.

35. Gage blocks and accessories (22:05)

Date:
1945
Main contributors:
Division of Visual Aids, U.S. Office of Education (Producer), Federal Security Agency (Producer), Ray-Bell Films, Inc. (Producer)
Summary:
Explains why accessories are used with gage blocks; shows how to inspect a plug gage, an adjustable snap gage, a profile gage, a ring gage, and a screwthread pitch; and shows how to build a height gage and scriber.

36. Gait and musculoskeletal disorders (34:15)

Date:
1960
Summary:
Illustrates abnormalities in gait caused by pain, structural defects and deformities, neuromuscular disorders, and a combination of these causes. Details technical symptoms of the gait and posture resulting from poliomyelitis, spastic paralysis, hypotrolic muscular dystrophy, distonia musculora, and dislocation of the hip, indicating the results of the Trendenburg, flexion, and other tests. Presents Dr. William T. Green of Harvard Medical School providing the narration for the examples and conducting the physical examination for each case stressing that careful observation of the gait is one of the key factors in diagnosis.

37. Gases and how they combine (22:01)

Date:
1962
Summary:
Shows some properties that distinguish gases. The volume of ammonia and hydrogen chloride that combine are measured quantitatively, and simple integer volume ratios are measured for the combinations of hydrogen and chlorine. Interprets these simple integer ratios in terms of Avogadro's hypothesis.

38. Genetic investigations (56:51)

Date:
1961
Summary:
Presents some of the steps and procedures involved in conducting controlled breeding experiments and shows the results of some genetic crosses. Introduces three important areas of genetic research. Illustrates bombardment of fruit flies with X-ray and shows some of the obvious mutations produced in these fruit flies. Pictures a schematic model of the DNA molecule and presents questions concerning its structure, organization, and duplication. Uses animation to picture basic discoveries of inheritance.

39. Geography of Australia (10:01)

Date:
1950
Summary:
Describes the physical geography of Australia and some of its natural resources, such as wheat, cattle, wool, and timber. Shows how the use of these natural resources has determined the development of the nation.

40. Getting ready emotionally (11:04)

Date:
1951
Summary:
Sixth in the "Are You Ready for Service?" series. Shows the emotional stresses that must be faced in military service because of homesickness, having to take orders and responsibilities, and having to learn to kill. Advises young men to prepare for the new experiences by taking school assignments as orders, doing jobs well without arguing, taking temporary jobs away from home, and going to church.