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Use of a horizontal core, a split pattern, chaplets, and chaplet supports; how to gate a mold for rapid pouring of a thin casting; and how to clean a casting.
Shows the difference between bench and floor molding, how to face a deep pattern, ram a drag and walk it off, clamp a mold, locate sprues and risers, and tuck the crossbars of a large cope.
Shows how to use a deep follow board; the technique of facing, ramming, and venting a deep green sand core; how to use a cheek in a three-part flask; and the purpose and method of step-gating.
Shows how to make a template for the job; how to install knives in the spindle; how to use the template when smoothing squared edges; how to set up equipment for shaping a curved edge; and how to shape a curved edge in more than one cut.
World War II film showing the horror of the Pacific war with extensive coverage of the care and treatment of the wounded. Created in support of the 7th War Loan drive, the film encourages the general public to purchase war bonds to aid the recovery of wounded servicemen.
Shows how to check a repulsion-induction motor for electrical and mechanical faults; how to dismantle a repulsion-induction motor; how to clean and plug the commutator; how to turn the commutator; how to remove a damaged sleeve bearing; how to ream to size and install a new sleeve bearing; how to remove a damaged coil and wind and insulate a new coil; and how to assemble and lubricate a repulsion-induction motor.
Shows how to plan the installation of the circuit run, switch run, and wall receptacle run; how to determine the location of required runs; how to install an offset bar hanger and ceiling outlet box; how to rough-in a circuit run, using nonmetallic sheathed cable; and how to make up connections for switches, receptacles, and fixtures.