Educational film guide ()

1949 EDITION 627.9-628.1 TVA — Continued "The film also shows other activities of the Authority including agricultural work, rural electrification, research and reforestation. How the program fits into national defense is described." Don White in Ed. screen "Excellent for units on conservation." Collaborator Deals with the subject of safe water. Shows how necessary water is in our daily lives; continues by revealing the various steps taken in a modern plant in the treatment and purification of water 627.9 Lighthouses RIVER WATCH. CanNFB 1947 lOmin sd (Canada carries on) $25, rent $1.50 627.9 jh-sh-ad The story of how the St Lawrence river is kept open for safe navigation. More than seven million tons of Canadian goods are carried down the St Lawrence each year on their way to world markets. To keep this route safe for shipping, thousands of lighthouses and marker buoys are needed Ice-breaking to keep the channel open for extra weeks at the beginning and end of winter is one of the services performed by the river craft. Restoring an ice-covered buoy that has broken loose is another perilous mid-winter Job shown here A glimpse of the work inside a lighthouse is given in scenes taken at Father Point. Supplying these beacons is a dangerous business since each lighthouse stands on an isolated piece of land or menacing rock, seldom provided with docks SENTINELS OF THE SEA. TFC 9min sd (Magic carpet ser) apply 627.9 Jh-sh Produced by 20th Century-Fox "Visiting many lighthouses and lightships, the camerman emphasizes the romantic rather than the practical aspects of these 'sentinels of the sea.' Sequences include a lighthouse keeper being brought out in a boat to his post far offshore; a coast guard team using a breeches buoy; gas tanks being used to furnish fuel for buoys. "Commentary and a background of orchestral music. The commentary is not very informative and states no principles of lighthouse operation. Suggested, however, for social studies classes in connection with units on government services." Advisory committee 628.1 Water supply CITY WATER SUPPLY. EBF 1941 llmin sd (General science ser) $45, rent $2.50 628.1 jh-sh Guide Collaborator: W. Rudolfs, Rutgers University "Animated drawings describe the relation between rainfall and life; the sources of city water supply — wells, rivers, lakes and watersheds; water-borne diseases; and methods of water distribution. Other photography depicts water tunnels and aqueducts; the dependence of cities upon an adequate water supply; and the necessity of safequarding water sources and distribution." Georgia CLEAN WATERS. GE 1946 21min sd color (More power to America) $175, loan 628.1 jh-sh-c-ad-forum Produced by Raphael G. Wolff Studios Prepared with the cooperation of the United States Public Health Service, this picture dramatically portrays the importance of our natural waters, illustrates the danger of pollution to our fish and wild life, our city water supply systems, our recreational facilities, and our public health. Proper sewage treatment — the method of preventing this pollution— is explained by animated diagrams EVERY DROP A SAFE ONE. NatMotPict 1939 lOmin sd (Health ser) $40, rent $2 628.1 el-jh-sh Also available in a silent version (15min $30, rent $1) LET'S LOOK AT WATER. 20min sd $50, rent $2.50 CanNFB 1947 628.1 Jh-sh-tr-ad An account of how a city's water supply is purified. Opens with a review of the ways in which water serves all forms of life. When it is impure, however, a community's water supply can be a source of fatal disease. Modern filtration plants have been designed to safeguard communities against water borne diseases. Each stage of purification in a typical plant is shown OUR WATER SUPPLY. GreenwichHS 1940 14min si color $40, rent $2 628.1 el-jh-sh This color film won 1st place as the best school produced film in the National Board of Review contest, 1940. It was made in cooperation with the Greenwich Water Company Water running In a glass and a glass in a hand serve to introduce the subject of this film. Rain clouds gather and rain falls into a brook. Charts show the cycle of water. Pine trees and the services they perform are considered. We see natural purification of water The film then outlines the necessity. In early times, of settling near brooks and lakes. Then came the development of mechanical aids, shown by a well and bucket, pump and artesian well. Charts show some of the dangers of sewer contamination of water The film then takes up the Greenwich water supply A drop of water Is examined thru a microscope and alum Is added to cause coagulation. Again we see the filters and also the sedimentation process. Then we see the chlorine tanks and chlorine added to the water and bags of lime dumped Into a hopper to be added also. Shots of the complicated machinery all this requires come next. Then we see men laying water pipes. A water meter is shown. This is followed by montage shots of water usages WATER. CanNFB 1947 lOmin sd $25, rent $1.50 628.1 jh-sh-c-ad Tells the story of water in relation to society. Explaining how rain and snow give replenishment to the dry earth, lake and river, the film notes how settlers chose the sites of future communities close to water and how a complex network of water supply supplanted the homesteaders' wells as urban centers grew. A modern filtration plant Is visited and diagrams illustrate the more complicated functions of a water purification system WATER FOR A THIRSTY LAND (SOUTHWESTERN U.S.) UWF 1949 20min sd (Earth and its peoples) $100, rent $6 628.1 el-jh-sh-c-ad Produced by Louis de Rochemont Associates This film presents a complete picturization of the dependance of man upon his supply of water. The transformation of desert lands by man's triumph in controlling the water supply Is shown WATER SUPPLY. Academy 1947 llmin sd $45. rent $2.50; also color $90, rent $5 628.1 jh-sh Guide Shows how our water supply Is obtained in different parts of the country. Animated diagrams show how water soaks into the ground & is stored. How we get water out of the ground is shown by scenes of springs, artesian wells, hand pumps, windmills, bucket wells and electric pumps. The great aqueduct 461