Educational film guide ()

1949 EDITION 621.32-621.35 INSTALLING AND CONNECTING TELLTALE PANE L — Continued Laying out telltale unit; how to remove Insulation from cable; how to relnsulate conductors and cable; and how to connect conductors to the multi-connection box LAYING OUT AND INSTALLING COMPARTMENT FIXTURES. Castle 1945 12min sd $22.88 621.32 sh-tr-ad Guide Produced by U.S. Office of Education. Accompanying filmstrip $1 Locating installations on a plan-view blueprint which gives no dimensions; how to lay out ceiling fixtures and studs; how to burn a hole for passage of cable; and how to Install ceiling fixtures LAYING OUT AND INSTALLING KICKPIPES AND STUFFING TUBES. Castle 1945 16min sd $27.88 621.32 sh-tr-ad Guide Produced by U.S. Office of Education. Accompanying filmstrip $1 How to distinguish the three types of kickpipes; how to lay out penetration areas; how to lay out and Install single kickpipes; and how to lay out stuffing tube areas LAYING OUT AND INSTALLING MAIN WIREWAY. Castle 1945 21min sd $32.87 621.32 sh-tr-ad Guide Produced by U.S. Office of Education. Accompanying filmstrip $1 Laying out and installing raceways and wlreways; how to calculate the width of a hanger to be used; how to use the 8:1 radius rule; how to determine the spacing of hangers; and how to overcome obstacles In the route of a raceway LIGHT IS WHAT YOU MAKE IT. Better Light 1946 lOmin sd color free 621.32 el-Jh-sh-ad Available for local showing from local utility company "The glamour of technicolor and the Disney cartoon techniaue have been employed in the 1946 program of the National Better Light-Better Sight Bureau to dramatize the latest scientific facts of sight protection with modern lamps and lighting fixtures. The result Is a blend of humor, drama and thought provoking facts that explain the fundamentals of seeing and lighting, and the need for better light. In a way never before as effectively visualized." Business screen MAGIC OF FLUORESCENCE. GE 17min sd color loan 621.32 jh-sh-c-tr-ad Produced by Raphael G. Wolff Studios Shows how modern lamp research is leading toward improved sight, more favorable working conditions and more attractive living accommodations thru better light. Following a brief introduction to the principles of luminescence, fluorescent lighting is explained, and the manufacture of the fluorescent lamp described PORCELAIN PROTECTED SURFACE WIRING. Castle 1944 19min sd $30.74 621.32 sh-tr-ad Guide Produced by U.S. Office of Education. Accompanying filmstrip $1 How to make an electrical entrance to a building; the need for providing fuse protection in circuit; how to Install wiring and porcelain fittings; how to support and insulate wires to meet requirements of the National electrical code; and how tr^ prepare and connect wires for service PREPARING OLD BUILDINGS FOR WIRING. Castle 21niin sd $32.87 621.32 sh-c-tr Guide Produced by the U.S. Office of Education. Accompanying filmstrip $1 Shows how to plan the wiring paths, visualizing the obstructions, and how to prepare the paths for the wiring runs PULLING AND INSTALLING CABLE AND PACKING TERMINAL TUBES. Castle 1945 16min sd $27.88 621.32 tr-ad Produced by U.S. Office of Education. Accompanying filmstrip $1 How to pull, strap, and straighten cable; how to prepare cable for pushing; how to prepare cable for pulling with a rope; and how to pack terminal tubes THREE-WIRE SERVICE ENTRANCE. Castle 24min sd $35.89 621.32 tr Guide Produced by the U.S. Office of Education. Accompanying filmstrip $1 Shows how to mount and connect an outdoor meter connection box; mount and connect a service control box; ground a threewire service entrance installation; and install concentric service entrance cable WIRING OLD BUILDINGS WITH ARMORED CABLE. Castle 22min sd $33.60 621.32 tr Guide Prodced by the U.S. Office of Education. Accompanying filmstrip $1 Shows how to install outlet boxes; cut and strip armor from cable; attach cable to outlet boxes; run armored cable; repair openings in walls; and join conductors at ceiling outlet WIRING TELLTALE PANEL. Castle 17mln sd $28.58 621.32 sh-tr-ad Guide Produced by U.S. Office of Education. Accompanying filmstrip $1 The purpose of telltale units; how to strip cable; how to form and lace conductors on a Jig; how to strip conductor ends and put on lugs; and how to hook up conductors and test connections 621.35 Storage batteries PRIMARY CELL. EBF 1944 llmin sd (Physics ser) $45. rent $2.50 621.35 sh-c Guide Collaborator: Morris Meister, High School of Science, New York City Demonstrates several phenomena of cells. Animated drawings explain the operation of the dry cell in terms of electron action including ionization of the electrolyte, electron flow through circuit, action at electrodes, polarization and depolarizer Demonstrations reveal the operating characteristics of a cell and of several cells (or battery) in both series and parallel connections STORY OF THE STORAGE BATTERY. US BurMines 1947 SOmin sd loan 621.35 jh-sh-tr-ad Produced in cooperation with the Willard Storage Battery Co. Replaces old silent film of same title made prior to 1927 Covers basic information on operation of modern storage battery. Opening scenes show varied uses for storage batteries, such as starting automobiles and supplying power for lights and radio. Discussing the principle of the storage battery, a chemist illustrates how two unlike metals immersed in an acid solution will create an electric current. The primary battery, which cannot be recharged, and the secondary or storage battey, which can be used many times thru recharging, are explained. Latter part of film deals with manufacture of precision parts of modern battery which must meet certain mechanical, electrical and chemical precision standards 437