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Shows the source, purification process, and testing of the culinary water supply of Gary, Indiana. Explains the use of chlorine and dry chemicals in purification and shows the function of settling basins and filtering tanks. Points out that frequent tests are made to determine softness, chlorine content, and purity of the water. Concludes with water going to the city through the pressure pump, water mains, and water tower.
Shows how the government has acted to protect our woodlands by enacting laws and establishing the Forest Service. Forest Rangers protect forests against fire, administer game laws, control the number of cattle grazing on the lands, supervise logging, and select trees to be cut and those to be left standing. Other jobs in this vocation are logger, lumberjack, lumber mill sawyer, grader, kiln-dryer, and trimmer. Shows a log after it is cut and the various operations it goes through until it is a finished piece of lumber. Many different jobs are shown and explained.
Shows how Frank and Jean Baxter enjoy watering their garden, and afterwards put on bathing suits and take showers under the hose. Penny, the dog, joins them, but Fluff, the kitten, watches from a distance.
Documents Maier's thesis that frustration leads to fixation and other bizarre symptoms. Shows a modified Lashley jumping apparatus and describes the process of teaching rats to jump. Portrays the successful solution of a soluble problem, and typical frustration responses to insoluble problems: refusal, escape, and stereotyped choice. Frustrated animals finally assigned to soluble problems persist in fixations in spite of open correct doors, and although walking trials demonstrated that they know the correct choice. Includes demonstrations of catatonic and neurotic behavior.
Shows a group of children playing three types of games: those which they invent themselves, those learned under supervision but carried on alone, and those dramatic activities which grow out of school activities.
Seventh in the "Are You Ready for Service?" series. Compares the experiences and moral behavior of two young men in the Navy. One was prepared for necessary decisions, while the other had no clear picture of himself. The latter becomes one of a group of irresponsible men, eventually becomes disgusted, seeks the help of a steadier acquaintance, and straightens out his problems. Recommends that young men get ready to make any decisions they might meet in new surroundings.
Fifth in the "Are You Ready for Service?" series. Illustrates the great demands on physical strength and endurance in the service, and recommends that young men in high school consider how much time they have to get ready. Suggests a complete physical examination, having defects remedied if possible, taking tests of physical performance, and planning toward physical fitness with a program of activities.
Shows the correct procedure and manipulations for elementary glass blowing with Pyrex glass, the technique employed for joining tubes of unequal diameters, and the method of forming bulbs.
Shows the location and physical features of Greenland; explains its new position in the modern world as the center of the short polar air routes. Portrays the life of the Greenlanders, explains their origin, and describes their change in half a century from nomadic hunters to fishermen living in small permanent communities where life is patterned after the ways of Denmark.
Encyclopaedia Britannica Films, Donald A. Dukelow, Larry Yust
Summary:
Deals with the actions of community health organizations in their efforts to fight disease. Shows the functions of the department of health in preventing and controlling the spread of contagious diseases as the film follows the developments in a successful attempt to stop a typhoid epidemic in its early stages. Relates the jobs of the school nurse, doctor, laboratory technician, visiting nurse, and food inspector in protecting the community health. Encourages children to observe personal health rules and to keep their homes and towns clean.