Educational film guide ()

1^49 EDITION 621.5-621.72 REMOVING AND INSTALLING A COMPRESSOR OR CONDENSER. Castle 1945 17min sd $28.58 621.5 sh-tr-ad Guide Produced by U.S. Office of Education. Accompanying' fllmstrip $1 Evacuating and removing a compressor In a domestic refrigerator; how to evacuate a stuck compressor; how to install the compressor; and how to remove and install a condenser REMOVING AND INSTALLING A COOLING UNIT. Castle 19min sd $31.44 621.5 sh-tr-ad Guide Produced by U.S. Office of Education. Accompanying fllmstrip $1 Common cooling unit disorders in a domestic refrigerator are shown; how to evacuate valved evaporators; how to remove an oillogged evaporator; how to install the evaporator; and how to install a direct expansion cooling unit SERVICING WATER COOLED CONDENSERS. Castle 1945 12min sd $22.88 621.5 tr-ad Guide Produced by the U.S. Office of Education. Accompanying fllmstrip $1 Explains the theory of a counterflow condenser, the essential elements of a water cooled system, and the operation of the electric water valve; and shows how to regulate a water valve, how to purge a system, ajid how to detect a dirty condenser 621.72 Pattern shop MAKING A CORE BOX FOR A FLANGED PIPE ELBOW. Castle 1945 21min sd (Fundamentals of patternmaklng) $32.87 621.72 sh-tr-ad Guide Produced by U.S. Office of Education. Accompanying fllmstrip $1 Using pattern layout in making a core box; how to design a core box; how to lay out a curved core piece; how to turn the core cavity in a curved piece; how to use a reverse template; how to assemble a core box having a curved core piece; and how to finish the core box MAKING A CORE BOX FOR A MACHINE BASE. Castle 13min sd (Problems in patternmaklng) $30.74 621.72 tr Guide Produced by U.S. Office of Education. Accompanying fllmstrip $1 Shows how a patternmaker, working from a casting, goes about the job of designing a core box; how to design and construct two core boxes in which mating cores are to be made, large core boxes with loose pieces, and a small, half core box with interchangeable loose boxes MAKING A CORE BOX FOR A TAIL PRINT. Castle 18min sd (Fundamentals of patternmaking) $30.01 621.72 tr Guide Produced by U.S. Office of Education. Accompanying fllmstrip $1 Shows how to use dry sand cores in molding holes in castings; use pattern layout to make a core box; distinguish between core and core print; lay out the core print; add the core; and determine parting line of a core box MAKING A CORE BOX FOR A VERTICAL CORE. Castle 1945 19min sd (Fundamentals of patternmaklng) $31.44 621.72 sh-tr-ad Guide Produced by U.S. Office of Education. Accompanying fllmstrip $1 Making sand cores; the function of the sand core; how to make a half box; how to use parted boxes; how to use layout pattern In making a core box; how to prepare core box pieces; and how to assemble a core box MAKING A MATCHBOARD PATTERN. Castle 1945 21min sd (Fundamentals of patternmaking) $32.87 621.72 sh-tr-ad Guide Produced by U.S. Office of Education. Accompanying fllmstrip $1 "Method of making a matchboard pattern Is shown In step-by-step fashion from the blueprint stage to finished coating. Included ar« making plugs, setting flash fixtures, laying out runners, assembling patterns, and location of gates. "Procedure throughout Is shown from the operator's view-point, with generous use of close-ups. Film ends with resume of essential points." Film world MAKING A ONE-PIECE FLAT PATTERN. Castle 1945 22min sd (Fundamentals of patternmaklng) $33.60 621.72 sh-tr-ad Guide Produced by U.S. Office of Education. Accompanying fllmstrip $1 "Demonstrates the making of a flat pattern, in step-by-step fashion from the blueprint to the finished project. . . "All operations are shown from the worker's eye-level, hence giving the viewer the feeling that he is actually doing the work. Generous use of closeups increases the value of the film, taking the viewer into the work »o that he can clearly see all operations. Film ends with a brief review of Important phases shown." Film world MAKING A PATTERN FOR A FLANGED PIPE ELBOW. Castle 18mln sd (Fundamentals of patternmaklng) $30.01 621.72 tr Guide Produced by the U.S. Office of Education. Accompanying fllmstrip $1 Shows how to make a right-angle layout; how to turn out separate core prints: how to make split flanges; set flanges into core prints; assemble half the pattern on the layout; dowel an elbow pattern; and apply leather fillets MAKING A PATTERN FOR A THREE-PART MOLD. Castle 20min sd (Fundamentals of patternmaklng) $32.16 621.72 tr Guide Produced by the U.S. Office of Education. Accompanying fllmstrip $1 Shows the reasons for the three -part pattern; how to make the layout; how to segment the body or center section; eliminate end grain on large flanges; and turn large work on the lathe MAKING A PATTERN WITH A HORIZONTAL CORE. Castle 14min sd (Fundamentals of patternmaklng) $25.71 621.72 tr Guide Produced by the U.S. Office of Education. Accompanying fllmstrip $1 Shows when to use a horizontal core; how to allow for shrinkage in bronze; how to lay out flllets; make horizontal core prints; true up a parting plane; a pattern with a horizontal core; and turn crusher strips MAKING A PATTERN WITH A TAIL PRINT. Castle 1945 19min sd (Fundamentals of patternmaklng) $31.44 621.72 sh-tr-ad Guide Produced by U.S. Office of Education. Accompanying fllmstrip $1 Molding castings with holes; how to make a rough sketch for visualizing the actual casting; how to use dry sand cores; how to form core cavities by using tail prints; auid how to make a layout including tall prints 443