Educational film catalog (1936)

628.1-629.1 EDUCATIONAL FILM CATALOG Boulder dam— Continued slightly longer at $9. These shorter ver- sions show development and progress made on the Project from the first surveys and road-building down to the present final operations. The river during early stages of work, high-scaling, blasting, concrete pouring operations. Fabrication of tjie gigantic penstock pipe at the Babcock & Wilcox plant, transporting and lowering it to the canyon. The spillways, intake towers, movement of large penstock pipe and the dam as it appeared when half completed. The beginning of water stor- age, completed dam, the intake towers and spillways, power house, boating on Boulder Dam lake, high tension transmission tow- ers and, finally, the roadway which crosses the dam 628 Sanitary engineering 628.1 Water supply engineering Forest and water. IR 16-si-sd-loan 35-si- sd-nf-loan 1930 U.S. agric. 628,1 A Forest service film "Points out the vital influence that the forest has on water supply. Photography made largely in the mountains of western North Carolina." California New York water supply. 15min 16-si-$24 1928 Eastman 628.1 "Gives an insight into a typical sanitary water system for a large city. Scenes and animations picture methods used in bringing water from the Catskills, through the mountains and under the Hudson River, to New York City." Producer el-Jh-sh-c Guide Purifying water. Eastman ISmin 16-si-$24 1928 628.1 "Lake water, the 'crib,' animation of operation of 'crib,' the pumping station. Removing sediment, settling tanks and animation showing operation, action of aluminum sulphate, sand and gravel filters, animation showing action, a filtra- tion plant, cleaning sand, how water is contaminated, a safe well. Disinfecting water, chlorination plant, animation show- ing action of chlorine. Testing water, bacteriological laboratory, how tests are made." Ohio jh-sh-c Guide Water. (General science ser.) 12min 16- si-$24 35-si-nf-$80 prior 1927 DeVry 628.1 By Morris Meister, head of science de- partment, Haaren high school, New York city "Simple experiments show water in liquid, solid and gaseous forms; the water cycle in nature; how man has adapted the properties of water to his own use: steam as power; a water-supply system; methods of irrigation." Kansas Jh-sh Guide 628.3 Sewage disposal Sewage disposal. ISmin 16-si-$24 1930 Eastman 628.3 "Deals with purification by Imhoff tank and sprinkling filter—purification by sand filtration—discharging sewage into the ocean with the ebb tide." Producer el-jh-sh-c Guide Waste disposal in cities. ISmin 16-si-$24 35-si-nf-$55 1921 Soc. for visual educ. 628.3 "Shows methods of sewage disposal and purification; informative but popular in character. Suitable for any audience, but especially useful in connection with sewage disposal campaigns." N.Y. (State). Dept. of health jh-sh Guide 628.7 Rural water supply Turn on the water! IR 35-si-nf-loan 1926 U.S. agric. 628.7 A Bureau of agricultural engineering film "Danger of impure water on the farm; good and bad water-supply systems, and examples of both kinds; how to instaJl inexpensive systems. Particularly for rural use." Texas 628.9 Lighting Light of a race. IR 16-si-loan 35-si-f-nf loan General electric 628.9 "Historical account of artificial illumi- nation which depicts, in successive scenes, the use of the flint, stick and groove, drill, and match to obtain fire; and the use of the torch, stone lamp, candle, oil lamp, gas lamp, and the incandescent lamp as sources of light." Producer el-jh-sh 629.1 Aeronautics Aircraft design. (General interest ser.) llmin 16-sd-apply 35-sd-f-apply Gau- mont British 629.1 "Scenes showing various types of air- craft taking off, flying, and doing aero- batics. Metallurgical laboratory at the Na- tional Physical Laboratory showing cast- ings, heat treatment and rolling of alloys. Wind tunnel tests showing how lift and drag are measured. View of model aircraft being tested on rotary arm. The film ends with other types of aircraft in the air. . . The basic side of design is not dealt with in the film. . . A background film for advanced students and a general interest film for all." British film inst. Guide Balloon racing. ISmin 16-si-loan 3S-si-nf- loan 1930? Goodyear 629.1 "Various details leading up to the take- off . . . Several of these balloons in the air." Producer Jh-sh Flying across America in 16 hours with United air lines. 24min 16-si-loan United air lines 629.1 "A 2,633-mile Coast-to-Coast flight. . . The forests, rivers, valleys and mountains of the Pacific coast, the gigantic Boulder Dam and Reservoir, the Great Salt Lake, the Continental Divide and the Wyoming plateau country, the rolling Nebraska lands, the farms of the Midwest, Chicago, Cleveland, and finally New York. . . In- terspersed with . . . aerial views of interest- ing points along the historic Overland Trail are flight photographs of the stream-lined Boeing monoplanes. . . Airplane construc- tion, engine overhaul and maintenance, weather observation and reporting, radio telephone communication between ground si - silent; sd - sound; f - inflammable; nf - safety; el - elementary; Jh • Junior high; sh • senior high; e • college 46