U

UNFINISHED STEEL CASTINGS, PARTICULARLY FRAMES, [WHEEL CENTERS, DRIVING BOXES, FRAME CROSSTIES, CROSSHEADS, CYLINDER HEADS, AND GUIDE YOKES OF RAILWAY LOCOMOTIVES;] VESTIBULE FRAMES, DOORS AND HINGE S FOR BANK VAULTS, [FIELD FRAMES, FRAME S FOR MOTORS AND GENERATORS, SPIDERS, AND FLYWHEELS FOR ELECTRICAL MACHINERY; GEARS,] GEAR BLANKS, COUPLING BOXES, AND MILL HOUSINGS FOR GENERAL MACHINERY CONSTRUCTION; ((CENTER PLATES, STRIKING PLATES, END SILLS, AND BOLSTER FILLERS FOR RAILROAD CARS; BASES AND RACKS FOR BRIDGE CONSTRUCTION; CYLINDERS, PIPES, ELBOWS, AND] PRESS PLATENS FOR HYDRAULIC MACHI NERY; AND ANNEALING BOXES AND BOTTOMS FOR USE IN SHEET AND TINPLATE ANNEALING EQUIPMENT