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Two boys, both between the ages of four and five, are subjects in a study of aggressive and destructive impulses. The film shows how differently two children, but a few months apart in age and from similar backgrounds, respond to a graduated series of opportunities and invitations to break balloons. Demonstration film of a projective technique developed by L. Joseph Stone.
Two boys, both between the ages of four and five, are subjects in a study of aggressive and destructive impulses. The film shows how differently two children, but a few months apart in age and from similar backgrounds, respond to a graduated series of opportunities and invitations to break balloons. Demonstration film of a projective technique developed by L. Joseph Stone.
Reviews Alaska's geographical features, locates its three great climatic regions, and indicates the major factors that make Alaska a true reservoir of resources. Depicts activities in the seven great industries contributing to Alaska's economy--lumbering, fishing, mining, transportation, agriculture, fur farming, and the tourist trade. Includes many scenes characterizing Alaska's natural scenic beauty.
Shows the Civilian Conservation Corps working with Army engineers to improve and expand military reservations in the United States. A defense report on film.
This film extols the over-producing wheat, meat, dairy, timber, steel, and Merino wool industries of Australia as assets to the Allied war effort. Describes the production of weapons and military supplies in Australian plants. "Dedicated to maintaining a life-line to Britain, Australia aids in the production of supplies and munitions for export; 'Aussie' troops are shown training and embarking for the front lines."--War Films Bulletin of the Extension Division, Indiana University, February, 1943.
A study of the perception of obstacles by the blind. Completely blind and sighted but blindfolded male college students are used in an attempt to determine factors involved in perception of obstacles. The finding of hearing factors as crucial is demonstrated.
An explanation and definition of the various forms of fixed gages, a demonstration in the correct use and care of fixed gages. Emphasizes their importance in modern mass production. A series of views in the inspection room of a modern factory demonstrates several types of common fixed gages in actual use. Explanations follow of the fixed gages commonly used to check outside and inside measurements, internal and external tapers, threads, shoulders and tang recesses. -Educational Film Guide
Shows that the early settlers of the Ohio Valley were "farmer boatmen" through their dependence on the soil for livelihood and on the rivers for transportation. Includes the valley agricultural economy, frontier homes and domestic activities, flatboat building and loading, the trip down-river to market, frontier personalities, speech, and music.
The Herman B Wells papers includes materials pertaining to Wells' family and personal finances, his activities in the banking profession, his work in Germany for the United States government after World War II, and to his research and teaching and professional activities as a member of the faculty of Indiana University.
His collection of home movies were largely filmed by Wells himself between the late 1930s and early 1950s.
Explains the basic features of simple machines--the lever, the inclined plane, the wedge, the pulley, and the screw--and the application of these devices to modern complex machines. Animated drawings clarify abstract mechanical principles. Then discusses the evolution of the machine and its part in contemporary civilization.
The anatomy of the eye is shown in detail by diagram, regular photography, and cinephotomicrography. Demonstrates how to correct defects in focusing, the approved way of removing foreign objects from the eye, correct lighting precautions, and other measures for good eye hygiene. A silent teaching film.
Erpi Classroom Films Inc., R. Joseph Stephenson, Walter Brownell
Summary:
Illustrates the application of physical laws to forces acting on airfoils. Wind tunnel tests demonstrate the relation of air velocity to life and drag on a plane and cambered airfoils. Control of airplane movements about vertical, lateral, and longitudinal axes by means of the rudder, elevator, and ailerons, respectively, is demonstrate in pitching, rolling, a yawing.
These films are part of the John and Hilda Jay family papers. They likely date between 1939-1946.
Silent home movie shows Indiana University President Emeritus William Lowe Bryan at a dinner, baby and child (Emily Sue) playing, cars, and Hilda Lease Jay.
The dinner President Bryan appears at could possibly be Union Board. John was a member of the then all-male Board.
Paul Freeman Wilkinson's birthday party. Wilkinson is the nephew of Bernadine Bailey through her sister, Joy. A group of young boys sits around a table eating cake and blowing balloons before going outside to play in the yard. The film also features footage of Air Force and commercial planes taking off in an airfield.
Similar content to [Paul's birthday and planes #1--Wilkinson family]. The film begins with footage of Air Force planes and men marching in an airfield. Next the camera captures scenes of a waterway taken from a boat. Cut to Paul Freeman Wilkinson's birthday party. Wilkinson is the nephew of Bernadine Bailey through her sister, Joy. Paul and 3 friends enjoy a picnic. The same larger group of boys from [Paul's birthday and planes #1] is seen playing games in the yard and gathering around the Wilkinson's chicken coop.
Shows a Scottish terrier playing in a yard and fetching a toy throughout the seasons. In the winter, the dog chases snowballs thrown by members of the Wilkinson family.
Documents the tragic poverty of families in the southern mountains, the poor land, the lack of proper diet, inadequate housing, absence of sanitation, and the complete lack of adaptation of the school program to the local situation. Related title: "The children must learn"
Shows how intelligent probation can change a boy's attitude and conduct. In company with his gang, Johnny steals a car, which is wrecked during the excitement of their get-away. What might have happened to the boy is realistically portrayed in a sequence of vivid police and prison scenes. What actually happens to him in a good juvenile court with well-organized probation service provides a stirring contrast. A plea for youth and justice.
Traces the important role of the research chemist in developing new products, and the skill of the chemical engineer in planning, constructing, and operating a production plant. The production and use of elemental phosphorus illustrate the role of chemistry in modern life.
Encyclopaedia Britannica Films, Indiana University. Audio-Visual Center
Summary:
Shows Chilean mountains, deserts, glaciers, mines, ports, pastoral areas, and an estate in the agricultural Central Valley. Here the role of the estate is seen in relation to the visiting owner and his family, the farming population, and Chilean agriculture generally. On the family's return to Santiago, varied aspects of Chile's capital city are featured. Includes some Spanish dialogue.
Shows the general characteristics of elephants, how they are trained, their physical features, food, and methods of eating, drinking, and cleansing themselves. A full-grown elephant is put through a series of tests for a circus buyer, who engages the trainer to condition two young elephants. These are shown learning to stand on their front and hind legs, sit on barrels, walk a plank, ring a bell, and obey other commands.
Opens with a picture of a boy fishing and quickly leads up to the fact that, in getting a job, the baits required are personality, training, and experience. Then follows a discussion of these points: know yourself, study vocations, learn of contributions your local school can make to your training, coordinate mind and body, build character on a firm foundation, and believe in opportunity.
Shows the home, school, and community life of children in a French-Canadian farm family. Portrays them riding to school in a horse-drawn sleigh, having a snow fight, reciting their lessons at school, working with home handicrafts, visiting their father at his maple sugar shed in the grove, and finally, going with the family to church on Sunday morning. Conversations are reproduced and interpreted. An instructional sound film.
Erpi Classroom Films Inc., Encyclopaedia Britannica Films, Theodore D. A. Cockerell
Summary:
Extreme close-ups are used to detail the queen, worker and drone, Ranges from the task of collecting nectar, to feeding the young, air conditioning the hive and swarming to begin another hive. Includes a model of the worker bee.
Describes a journey on a streamlined Diesel-electric passenger train from a large city through a picturesque countryside. Depicts the duties of the engineer, the conductor, the cooks, and the pullman porters. Shows the important track signals which the engineers must observe. Stresses the comfort and safety which the passengers enjoy while traveling to their destinations. An instructional sound film.
Tells the dramatic story of two young people whose lives are interrupted and threatened by tuberculosis. Shows modern tuberculosis case-finding, diagnosis, hospitalization, and rehabilitation after the cure has been effected.
Presents a documentary study of an important factor in the problem of unemployment--that of workers displaced by automatic machinery. Tells the story of a typical American steel town in the 1920's and 1930's. The commentator, speaking as the town mayor, follows the development of the town and its people, whose lives have been bound up in the fortunes of the steel mill.
Argues that the men and women working in a British airplane factory are the true secret weapon that will win the war against the Nazis. Shows an average day at the factory where workers work around the clock. Maintaining workers' peak efficiency is accomplished through balancing hard work and social activities. The film shows women being trained for industrial labor, air raid defense training, how factory medical and cafeteria keep the workers healthy and full of energy, how music from the BBC is used to maintain worker production and relieve the boredom of repetitive tasks, and a workers' concert that occurs at the transfer from day shift to night shift.
These films are part of the John and Hilda Jay family papers. They likely date between 1939-1946.
This film has no sound and shows clips of the Jay family and friends boating at a lake shore, working and playing in the yard, at home for Christmas, and taking portraits on the IU campus.
These films are part of the John and Hilda Jay family papers. They likely date between 1939-1946. This film has no sound; shows residential and campus life in Bloomington.
These films are part of the John and Hilda Jay family papers. They likely date between 1939-1946. Silent home movie of family and friends playing, cooking, and eating together.
These films are part of the John and Hilda Jay family papers. They likely date between 1939-1946. Silent home movie shows Boy Scout troop at train station and in Washington, D.C.
These films are part of the John and Hilda Jay family papers. They likely date between 1939-1946.
This silent film shows two young children playing outside and around a campfire with a woman.
These films are part of the John and Hilda Jay family papers. They likely date between 1939-1946. Silent home movies shows family and friends at the beach, eating and playing outside, and boating on the lake.
These films are part of the John and Hilda Jay family papers. They likely date between 1939-1946.
Silent home video of the Elkhart Boy Scout troop marching in Bloomington, at official events, and setting up camp together.
These films are part of the John and Hilda Jay family papers. They likely date between 1939-1946. Silent home movie shows students looking at yearbooks, groups at an amusement park and picnic, beach scenes.
These films are part of the John and Hilda Jay family papers. They likely date between 1939-1946. Silent home movie of young children playing in gardens and the river.
These films are part of the John and Hilda Jay family papers. They likely date between 1939-1946. Silent home movie shows a woman riding a bike, farm scenes with sheep, gardening, etc.
These films are part of the John and Hilda Jay family papers. They likely date between 1939-1946.
Silent home video of the family taking wedding portraits, strolling the National Mall in Washington, D.C., and playing in the yard with the children.
Shows the Wilkinson family taking a fishing trip on a lake or river. Includes many shots of the water taken from a motorboat. Bernadine Bailey's nephew, Paul Freeman Wilkinson, is seen rowing a boat. Closes with more footage of the Wilkinson's Scottish terrier playing with a crawdad.
Reveals the activities, customs, and traditions of the Watussi, an African people characterized by their advanced culture. Shows the ruling prince and royal family and activities in the royal household, including weaving, decorating, cooking, and churning. Portrays the prince as he inspects his cattle and leads a hunt, and depicts his young son presiding over a ceremonial dance.
Edwin J. Hipkiss, Encyclopaedia Britannica Films Inc., Erpi Classroom Films Inc.
Summary:
Re-enacts the home life and self-sufficiency of a family in colonial New England during the late 17th century. Describes how colonial children received their education by studying at home, and portrays the duties and chores of each member of the family. Portrays a spirit of helpfulness between families, and emphasizes the role of religion in the home.
Historical Summary:
Re-enacts, with authentic settings, costumes, and furnishings, the home life and self-sufficiency of a family in colonial New England during the late seventeenth century. Describes how colonial children received their education by studying at home, and portrays the duties and chores of each member of the family. Reveals a spirit of helpfulness between families, and emphasizes the vital role of religion in the home. | Furnishing, clothing, customs, and events in a colonial family's day from morning chores to Scripture reading. | Furnishing, clothing, customs, and events in a colonial family's day from morning chores to Scripture reading. | Furnishing, clothing, customs, and events in a colonial family's day from morning chores to Scripture reading.
Encyclopaedia Britannica Films Inc., A. J. Carlson, H. G. Swann
Summary:
Presents, through animation and regular photography, the normal dietary requirements of carbohydrates, fats, proteins, minerals, vitamins, and water. Cinephotomicrography shows the growth of culture tissue. Metabolism phenomena are treated in detail. Laboratory experiments reveal the results of deficiencies in minerals and vitamins.
Reveals the activities, customs, and traditions of the Watussi, an African people characterized by their advanced culture. Shows the ruling prince and royal family and activities in the royal household, including weaving, decorating, cooking, and churning. Portrays the prince as he inspects his cattle and leads a hunt, and depicts his young son presiding over a ceremonial dance.
Portrays, with animated maps, the physical characteristics of Mexico and its strategic geographical relation to the United States. Enumerates her natural resources and industries. Depicts urban life and rural activities such as corn harvesting and grinding, home-building, beverage preparation, pottery-making, and handicraft work.
Describes the origin and development of the Mexican people, the influence of Aztec and Spanish cultures, home life on a plantation, and a fiesta ceremony.
McRobbie-Gair Family Home Movies: Film is comprised of travelogue sequences primarily from south, central, and western England, but also of Sweden and Scotland. County and city locations in England include Canterbury, Nottingham, Twickenham suburb, Surrey, Manchester, the coastal town of Llandudno, Salisbury, and the Isle of Wright. Cities and locations in Scotland include Meikleour, Rothesay on the Isle of Bute, Loch Lomond, and Edinburgh, and locations in Sweden include Gothenburg, Stockholm, and Upsala, according to title cards. Highlights from England include shots of the “White Rabbit” monument in Llandudno commemorating Lewis Carroll’s inspiration for “Alice in Wonderland,” shots of Windsor, Conway, and Arundel Castles, the Manchester Piccadilly Station, Canterbury and Salisbury Cathedrals and a selection of hotel and restaurant signs from Canterbury (Tudor House, The Sun Hotel, Chequers Inn, Senlac Hotel, The BattleAxe – Crafts and Restaurant, Pilgrim’s Rest, and Fremlins George Hotel). Notable locations in Scotland include the Meikleour Beech Hedge [sic], and the Nigg Church of Nigg Parish (Nigg Old Church), Loch Lomond, and Edinburgh (Princes St.) city shots. Finally, sequences in Sweden open with travel on a passenger ship, the “Patricia,” to Gothenburg. In this sequence is also a shot of a Nazi flag, which according to the title card, was taken in Stockholm. Upsala cathedral is also shot with lots of sequences on waterways throughout. Footage consists of color film stock with title cards inserted for new locations or sites.
McRobbie-Gair Family Home Movies: Comprised of two home movies, "USA I" & "USA II," the film opens with beautiful vistas of the Grand Canyon, and goes on to various locations, mainly in California, including Los Angeles, Long Beach, San Francisco, and Yosemite National Park. The film includes shots from the UCLA campus, St. Paul’s Episcopal Cathedral, the Little Church of the Flowers, and the Wee Kirk o’ the Heather. Various beach shots capture the California coastline, including shots of the Cyclone Racer rollercoaster at the Pike Amusement Park in Long Beach. Footage then moves to Yosemite National Park, capturing various attractions, including the Grizzly Giant tree and the Massachusetts tree (fell in 1927), as well as various shots of Yosemite vistas, waterfalls, deer, and chipmunk feeding. Footage then moves on to San Francisco and captures Fisherman’s Warf, a parade, the San Francisco Zoo, and shots of Alcatraz and the Golden Gate Bridge. Shots of people on a passenger ship wearing what appear to be Hawaiian leis, with following sequences at a tropical location, possibly the Hawaiian Islands. The final segment is from another tropical location, possibly separate from Hawaii based on attire. Footage consists of color film stock with title cards inserted for several new locations.
Shows field research in the Panama canal zone on army ants. Presents illustrations of bivouacking, raiding, and migrating behavior; shows species differences, and includes views of the rarely observed Ection queen.
Portrays the role of the machine toolmaker in an age of technology. Includes operations of machines, workers' conversation on technical problems, checking and assembly line operation, and mass production in an automobile factory.
Points out the chief truck farming areas of the United States and gives a detailed picture of the activities on a truck farm in the Rio Grande Delta. Portrays the planting, irrigation, spraying, harvesting, packing, and shipping of truck farm crops. Emphasizes the results of using scientific methods in farming, and demonstrates the interdependence of the producer and the consumer.
Portrays Norway's fjords, waterfalls, and snow-capped mountains, and shows the country people still living under the influence of an ancient civilization. Follows a group of tourists who land at Hammerfest as they visit the Laplanders, attend a wedding, and observe young Norwegians receiving lessons in seamanship.
Begins with a very brief scene of a child's birthday party. Primarily a home movie of the 1938 Northwestern-University of Illinois football game taken from the stands. Also shows marching bands from both schools and a man performing as Chief Illiniwek, the former University of Illinois mascot.
Black and white scenes of a market in Norway. People selling fish by a harbor, an old woman buys flowers from a cart. Scenes on a city street and views of the sea. Exterior shots of Borgund Stave Church. Ends with footage of cars being hoisted onto a ship.
Encyclopaedia Britannica Films, T. Gilbert Pearson, William L. Finley
Summary:
Portrays the nest life and other activities of representative species of owls, vultures, eagles, and hawks in their natural habitats and at various stages of development. Depicts the carnivorous habits of birds of prey and shows how they are equipped with strong talons and sharp, hooked beaks for carrying and tearing apart their victims.
Portrays the experiences of a boy and a girl going by boat from Albany, down the Hudson River, to New York City. Along the way, the children see many types of water craft, including a sailboat, a cabin cruiser, a fireboat, a barge, a police boat, and a huge ocean liner. At the captain's invitation, they inspect his wheelhouse and engine room.
Illustrates with excerpts from Erpi films, the power of the classroom film in overcoming limitations to learning such as remoteness in space and time, size, verbalism, abstractions, inadequate equipment and variations in pupil intelligence. Also stresses proper utilization. A demonstration sound film.
Erpi Classroom Films Inc., Hermann I. Schlesinger, Warren C. Johnson
Summary:
Illustrates representative examples of colloidal suspensions: fog (liquid in gas), whipped cream (gas in liquid), clay and India ink (solid in liquid), smoke (solid in gas), and mayonnaise (liquid in liquid). Failure of colloidal particles to settle is explained by Brownian movement, protective films, and charges on particles. Shows the Cottrell process of smoke precipitation.
Presents four types of dances as performed by Russian factory workers, Oriental Uzbeks, Caucasians, and Ukrainians. | Presents four types of dances as performed by Russian factory workers, Oriental Uzbeks, Caucasians, and Ukrainians.
Encyclopaedia Britannica Films Inc., A. J. Carlson, H. S. Swann, The Committee on Medical Motion Pictures of the American College of Surgeons
Summary:
Covers the mechanical and chemical aspects of digestion, together with the controlling factors. Includes mastication, swallowing, stomach contractions, intestinal segmentation, intestinal peristalsis, the production of saliva and action of ptyalin on starch, the production of gastric juice and action of pepsin on albumin, the production of pancreatic juice and action of lipase on fats, and the absorption of digestive products into the blood stream.
Explains heat energy in terms of its source, its storage in the form of fuel, and its practical utilization. Describes the manufacture and storage of carbohydrates by plants, the role of carbon in the burning of fuels, the formation of coal and petroleum, the process of combustion, molecular action in relation to heat and temperature, and the operation of steam and gasoline engines.
Erpi Classroom Films, Arthur I. Gates, Ph.D. Teachers College, Columbia University, Ernest Horn, Ph.D. The State University of Iowa, Celeste C. Peardon, M.A.
Summary:
Shows the life of a squirrel family from the time the babies are born in a tree-trunk home until they move out into a summer home on a tree branch, and then back into the trunk for the winter. Shows them playing and feeding. Concludes with one squirrel's narrow escape from a red fox.
Encyclopaedia Britannica Films, inc., Indiana University Audio-Visual Center
Summary:
Demonstrates in actual competition the running high jump; running broad jump; hop, step, and jump; and pole vault. Champions are pictured in slow motion photography.
Depicts the Japanese occupation of Manchukuo. Describes the mechanization of industry. Includes scenes showing coal and iron mines, steel mills, railroads, government buildings, new housing, native Chinese life, shops and trade, the Russian influence in Harbin, the raising of soya beans, schools, and hospitals. A silent teaching film.
Portrays the spirit of Gloucester fishermen and their picturesque way of making a living. Shows members of a schooner's crew making ready the lines and hooks with which they fish from small boats lowered by the schooner. Contrasts the schooner method of fishing with the methods used on a Diesel trawler equipped with large machine-operated nets.
Surveys the physical aspects of the earth in their relation to concentration and activities of peoples. Discusses oceans and ocean currents, their effects on climate and consequently on peoples; similar effects of various types of coasts and harbors; rivers and lakes; and valleys, plateaus, and mountains.
Depicts catching, canning, packing, and marketing in the oyster, crab, clam, and lobster fishing industries on the eastern coast of the United States. Illustrates in detail the preparation of oyster beds, dredging for mature oysters, luring crabs to nets with baited lines, digging for clams, and catching lobsters in baited traps.
A view of life on a typical Kansas wheat farm. Shows how members of an average farm family spend their time, how the land is cared for, and how the winter wheat is planted, harvested, and stored in bins and elevators. Emphasizes the threat of inclement weather on wheat harvests. Includes animated sequences.
Erpi Classroom Films Inc., T. Gilbert Pearson, William L. Finley
Summary:
Shows the habitats, feeding habits, brooding, development, and activities of the bush tit, chickadee, hermit thrush, russet-backed thrush, robin, bluebird, and water ouzel. Bird calls and songs are given.
Erpi Classroom Films Inc., Lawson Robertson, Dean Cromwell, Brutus Hamilton, Amateur Athletic Union of the United States
Summary:
Demonstrations of the shot put, discus throw, hammer throw, and javelin throw are illustrated in slow motion photography. Champions in each event demonstrate fundamentals of good form. An instructional sound film.
Black and white footage of homes and buildings that have been damaged and destroyed, possibly as the result of a tornado. Ends with a man scaling a catfish. Location unknown.
Bernadine Bailey's sister, Joy, and her nephew, Paul Freeman Wilkinson emerge from the Wilkinson family home in Western Springs, Illinois. Paul is wearing roller skates. He roller skates down the sidewalk with an unknown girl as a collie plays alongside them. Bailey joins her sister, nephew, mother (Nellie Voigt Freeman), and an unknown man (possibly her husband, John Hays Bailey) as the group poses in front of the house. Brief shots of Paul Freeman Wilkinson riding a tricycle and a couple (possibly the Wilkinsons) working in the yard.
Shows a group of people posing for the camera in front of their house, including Nellie Freeman, Bernadine Bailey's mother. The rest of the group is likely Paul R. Wilkinson (the younger man with glasses), his siblings, and parents. Paul F. Wilkinson, Bernadine Bailey's nephew, is playing with a group of other children.
Shows how domesticated animals are used throughout the world for power, clothing, materials, and food. Shows how about 50 of the 500,000 known species of animals have been domesticated. Junior and senior high school level. An instructional sound film.
Demonstrates through animated drawings and cinemicrography the three lines of defense against infection--the skin and mucous membranes, the lymphatic system, and the circulatory system including liver and spleen. Explains immunity to certain diseases, and describes how man can improve defenses against infection.
Encyclopaedia Britannica Films, Hermann I. Schlesinger, Warren C. Johnson
Summary:
Presents a study of catalysis as the fourth factor in the velocity of chemical reactions. Explains how catalysts may function by absorbing molecules, activating molecules, forming an intermediate compound, or starting a chain reaction. Illustrates application of negative catalysts in the manufacture of rubber and antiknock gasoline. Calls attention to the relation of catalysis to plant and animal life.
Erpi Classroom Films Inc., Hermann I. Schlesinger, Warren C. Johnson
Summary:
Demonstrates with animated drawings how chemical energy is transformed into electrical energy and electrical energy into chemical energy. Proves that chemical energy changes into electrical energy when chlorine and hydrogen react at platinum electrodes, and that electrical energy changes into chemical energy decomposing hydrogen chloride. Illustrates these electrochemical principles by application in electroplating, electrorefining, electrolysis, and storage battery operation.
Illustrates dynamic aspects of stars within our galaxy and of galaxies themselves by use of animated drawings. Includes changes in the Dipper, binary stars, eclipsing variables, trinary stars, motion of stars in the Hyades and Hercules clusters, apparent star motion due to motion of the solar system, galactic rotation, and a portrayal of the theory of the expanding universe. Also describes the principles of refracting and reflecting telescopes.
Presents the story of mammalian reproduction using the pig as an example. Through animated drawings, and micro- and natural photography, describes the development of sperms and eggs, the fertilization process, the stages of embryological development, nourishment of the embryo, and the process by which birth is accomplished. Compares the development of human and pig embryos. For high school, college, and adult groups.
A survey of Siberia, showing scenes of the TransSiberian railroad, Alexandrovsky prison, streets in Irkutsk, sports home life, an elementary school, public health projects agriculture, Buryat Mongolians, Lake Baikal, fishing, gold mining, religious ceremonies (Shamanism and Buddhism), the Reindeer People (Tungus), manners and customs, activities in Government schools, a sanatorium, and a store. A silent teaching film
Shows cats acquiring the "token-reward" habit, in which they are trained to push balls into a hole in order to secure food and then to depress a string in order to secure a ball. Describes the apparatus and procedures used in testing the animals and shows the initial ball-habit, the initial secondary response, and a series of trials of the latter.
The concept of the potential power of water is introduced by an explanation of the water cycle. Traces the development of water power in the United States from the small mill to Boulder Dam and the Tennessee Valley. Shows the transformation of potential energy of waterfalls into kinetic energy through a hydroelectric plant.
Produced by Jean Brerault for use in French elementary schools. Complete French text with marginal vocabulary notes is available. Glimpses of the economic and cultural life of Paris. After a view from the air of l'Ile de la Cite, we quickly pass into the thickest of modern traffic around the place de l'Opera. Then we see in close succession railroad stations, an auto factory, the big early morning markets, department stores, different "quartiers" and points of interest about the city.