Educational film guide ()

1949 EDITION 621.388-621.5 STEPPING ALONG WITH TELEVISION. AT&T 1949 llmin sd loan 621.388 jh-sh-tr-ad Portrays the Bell System's role in expanding the horizons of television. Briefly, the story explains how a musical ballet television program originating' in a New York city studio is delivered via coaxial cable and radio relay facilities to a residence in Waukesha, Wis. TELEVISION. LibraryFlm 1939 lOmln sd $27 621.388 sh-tr-ad Produced by Pathe; sponsored by RCA The first half of the film stresses the complex and complicated nature of television, the equipment involved, the preparation for broadcasts, etc. There is a brief explanation of how sound waves are transmitted and of the iconoscope camera and tube used in television. The complete process is demonstrated by televising a horse race and a concert 621.4 Gas and oil engines ABC OF INTERNAL COMBUSTION. GM 1948 13min sd color loan 621.4 Jh-sh-c-tr In simple language and enlivened with animated cartoon characters, this film shows how the three basic ingredients — air, fuel, and ignition — work together to create power In the internal combustion engine. The film opens using a display of nature's forces at work in a volcano as a springboard to show how man can create and control similar expansive forces by combustion. The next sequence shows how a piston, connecting rod and crankshaft can harness these forces. Then the four-stroke cycle is illustrated and the mysteries of valve operation, carburetion and Ignition timing are clarified CONSTRUCTION OF DIESEL ENGINES. Castle 1945 17min sd $22.83 621.4 sh-tr-ad Produced by the U.S. Navy The general structure of several types of Diesel engines, and the different frame types, cylinder parts, pistons, piston rings, connecting rods, crankshafts, bearings, camshafts and rocker assemblies are shown by cross-sectional animated drawings and straight photography DIESEL ENGINE FUEL SYSTEMS. Castle 40min sd $48.27 621.4 c-tr-ad Produced by the U.S. Navy Shows the basic structure of diesel fuel systems with emphasis on injectors and fuel pumps DIESEL ENGINE GOVERNORS: GM SERIES 71, LIMITING SPEED MECHANICAL GOVERNOR. Castle 1945 12min sd $16.76 621.4 sh-c-tr-ad Produced by the U.S. Navy Discusses three main assemblies of the governor and their functions. Reviews the operation of the manual fuel control to explain the action of the governor through low. Intermediate and high speed ranges DIESEL ENGINE— SCAVENGING AND SUPERCHARGING DIESEL ENGINES. Castle 15min sd $20.68 621.4 c-tr-ad Produced by the U.S. Navy Shows the operation of the two-stroke cycle single and double acting engines and opposed piston engines; discusses method of scavenging and supercharging air DIESEL LUBRICATION AND COOLING SYSTEMS. Castle lOmin sd $13.18 621.4 sh-c-ad Produced by the U.S. Navy Shows parts of diesel lubricating and cooling systems and how they work in relation to each other DIESEL— THE MODERN POWER. GM 1937 15min sd loan 621.4 jh-sh-tr-ad Produced by Audio for Public Relations Department of General Motors Corporation Opens with a sequence of animation showing the fundamental principles of the Diesel engine. Explains in a clear, concise manner the operations of this form of power. Shows Its many uses in power houses, streamlined trains, dutiful switching engines, boatA and other varied uses MAKING A V-TYPE ENGINE. USBurMInes 1936 30min si loan 621.4 Jh-sh-c Made In cooperation with the Ford Motor Company Shows the unloading of ore boats, storage of iron ore, charging and tapping of blast furnaces, adding alloys, building molds, and casting molten iron. Pictures heat treatment and machining operations on various parts of the engine, as well as the checking of finished parts for accuracy Concludes with assembling the various parts to complete the engine which Is then tested and placed In the chassis of an automobile WHERE MILEAGE BEGINS. GM 1937 22min sd loan 621.4 jh-sh-c-tr Produced by Audio Production for General Motors Corporation Shows the workings of the gasoline engine. A stop-motion sequence in which an engine completely assembles itself without the aid of human hands concludes the picture 621.5 Pneunna+ic nnachinery. Refrigeration ADDING OR REMOVING REFRIGERANT. Castle 1945 17min sd $29.29 621.5 sh-c-tr-ad Guide Produced by U.S. Office of Education. Accompanying fllmstrip $1 Checking a domestic refrigeration system for lack of refrigerant; how to add refrigerant for leak-testing; how to add refrigerant by weight; how to add an unmeasured amount of refrigerant; and how to remove refrigerant "Good for industry, shop trade schools and Individual plants." Collaborator ADJUSTING AND CHECKING THE EXPANSION VALVES. Castle 1945 21min sd $32.87 621.5 sh-c-tr-ad Guide Produced by U.S. Office of Education. , Accompanying fllmstrip $1 The design and operation of the bellows type automatic expansion valve is shown and the diaphragm type automatic expansion valve; and how to adjust, check and service the bellows type valve "Good for Industry, shop trade schools and Individual plants." Collaborator ADJUSTING AND REPAIRING THE THERMO EXPANSION VALVE. Castle 1945 12min sd $22.88 621.5 sh-c-tr-ad Guide Produced by U.S. Office of Education. Accompanying fllmstrip $1 Explains the theory of multiple refrigeration systems; shows the types of thermo expan 441