[ GAS-WORKS FURNACES, CARBURATION GENERATORS, AND GAS WELDING APPARATUS; ] STEAM BOILERS, AND BOILERS FOR VARIOUS INDUSTRIES; FINISHED CASTINGS, BEING PARTS FOR GENERAL MACHINE CONSTRUCTION-NAMELY, [ FURNACE BELLS, CHARGING BELLS, ] THROAT STOPPING RINGS, BOILER FEET, BOILER RINGS, BOILER STANDPIPES, GRATE SEGMENTS, ANNEALING RETORTS, ANNEALING BOXES, [ MELTING FURNACES, AND RETORTS; ARMOUR PLATE FOR BLAST FURNACES, MELTING APPARATUS FOR RESIN, BOILERS FOR RESIN, TURPENTINE COOLERS, VARNISH BOILERS, ] AND VULCANIZING BOILERS, CELLULOSE BOILERS