Educational film guide ()

621.31-621.32 EDUCATIONAL FILM GUIDE SPLIT-PHASE MOTOR PRINCIPLES. Castle 17min sd $29.29 621.31 tr Guide Produced by the U.S. Office of Education. Accompanying fllmstrip $1 Explains tiie construction of stator and rotor; comparison of winding in two-phase stator with split-phase stator; effects of winding resistances and inductive reactances; and use of capacitor to produce phase displacement SPLIT-PHASE MOTOR— REWINDING. Castle 28min sd $40.89 621.31 tr Guide Produced by the U.S. Office of Education. Accompanying fllmstrip $1 Shows how to test a split-phase motor for electrical and mechanical faults; dismantle and strip the stator; rewind the stator; form and install skein windings; insulate, lace, dip and bake the stator; and assemble, lubricate and test the motor SQUIRREL-CAGE ROTOR Castle lOmin sd $20.01 PRINCIPLES. 621.31 sh-tr Guide Produced by U.S. Office of Education. Accompanying fllmstrip $1 Explains the fundamentaJ law of magnetism; fundamental law of induced e.m.f. ; electron flow in squirrel-cage rotor setting up magnetic poles which create torque; and construction of squirrel -cage rotors THREE-PHASE MOTOR— PART I: PREPARING TO REWIND. Castle 17mln sd $28.58 621.31 tr Guide Produced by the U.S. Office of Education. Accompanying fllmstrip $1 Shows how to interpret and record nameplate data of a three-phase motor; identify the line leads and finish leads; remove coils and determine coil span; use a coil winding machine; and end-tape machine wound coils THREE-PHASE MOTOR— PART II: REWINDING. Castle 17min sd $29.29 621,31 tr Guide Produced by the U.S. Office of Education. Accompanying fllmstrip $1 Shows how to insert mush colls; insert separators or "willies"; fold, trim and wedge slot insulation around windings; insert phase insulation; and make a delta connection CONTROLLERS. Castle 621.31 WOUND ROTOR ITmin sd $28.58 tr Guide Produced by the U.S. Office of Education. Accompanying fllmstrip $1 Explains wound rotor motor principles; and shows the operation of a faceplate controller, drumtype non -reversing controller, drum-type reversing controller, and automatic magnetic starter for a wound rotor motor 621.312 Central stations BRIGHT PATH. IntFlmBur 1940 35min sd loan 621.312 el-jh-sh-c-ad Produced by Associated Screen News, Montreal for the Hydro-Electric Power Commission of Ontario "A superbly-produced documentary account of the hydroelectric developments in the Province of Ontario. "The film begins by comparing flood scenes to scenes of controlled water power. Then the army of men engaged In the work of manufacturing electricity is high-lighted, with construction and operation scenes. The transmission system Is explained. Developments far In the wilderness are pictured. "In conclusion some phases of plant maintenance are pictured, and there is a series of scenes emphasizing the value of electricity in daily life." Georgia "Photography and sound excellent, commentary good. The material In this film Is well organized. The size, importance and service rendered to the community by hydro-electric power developments in Ontario are excellently portrayed." Canadian films rev. POWER FROM SHI PSHAW. CanNFB 1946 9min sd $25, rent $1.50 621.312 Jh-sh-ad The great new power plant at Shipshaw, Quebec has provided energy for one of the largest aluminum plants in the world ROMANCE OF A RIVER. IntFlmBur 1944 20min sd color loan 621.312 sh-c-ad Produced by Associated Screen News, Montreal for the Hydro-Electric Power Commission of Ontario Portrays the results of a broad and farreaching undertaking known as the Ogoki Diversion. Reveals many Interesting phases of this engineering achievement Also shown in this film is the new DeCew Falls development, near St Catharines SUMMER STORM. Modern 1946 15min sd loan 621.312 Jh-sh-c Guide Produced for Westinghouse Electric Corp. How uninterrupted electric service is maintained is told in human interest terms. The story is dovetailed with everyday living to show what adequate uninterrupted electric service means to housewives & farmers, to hospitals & industries, and communities in general 621.317 Electric control devices USES UNLIMITED. Rev. ed. MicroSwitch 1948 35min sd color loan 621.317 sh-c-tr Produced by Reid H. Ray Inc. Previously released in 1944 A dramatic story of the snap-action switch, its development and many uses. Shows the myriad ways this tiny switch serves to control everything from sensitive, precise Instruments and office equipment, to ponderous shop machines 621.32 Electric lighting DAWN OF BETTER LIVING. Westinghouse 1946 15min sd color loan 621.32 sh-tr-ad This Walt Disney technicolor production presents a brief history of lighting and how man uses electricity for an easier, more pleasant, more comfortable way of living. Latest Ideas in home planning are shown, room by room IDENTIFYING AND PRECUTTING CABLE. Castle 1944 19min sd $31.44 621.32 sh-tr-ad Guide Produced by U.S. Office of Education. Accompanying fllmstrip $1 How cable is precut and put on reels; how cable is salvaged; how to Identify the VCLA cable used in merchant ships; and how cable is measured In circular mills and with an American wire gage INSTALLING AND CONNECTING TELLTALE PANEL. Castle 15min sd $26.43 621.32 sh-tr-ad Guide Produced by U.S. Office of Education. Accompanying fllmstrip $1 436