BUCKETS AND PARTS THEREFOR-NAMELY, CLAM-SHELL TYPE, DITCHER, HOE, LADDER-TYPE DREDGE, ORANGE-PEEL TYPE, CONVEYOR, ELEVATOR AND LOADER TYPES; POWER SHOVEL DIPPERS AND PARTS THEREFOR; STONE GRAPPLES; CENTRIFUGAL DREDGE PUMPS AND PARTS THEREFOR; SLUSHING SCRAPERS, AND DREDGE TUMBLERS; APRON FEEDER PARTS; NAMELY, PANS, LINKS, PINS, SPROCKETS, IDLERS AND ROLLERS; GRATE BARS; GRIZZLY BARS; BEARING BUSHINGS; BEARINGS; BEDPLATES FOR PAPER STOCK BEATERS; BLADES FOR BALLAST SPREADERS, BULLDOZERS AND ROAD GRADERS; CAMS; CATHEADS; CONVEYOR AND POWER-TRANSMISSION CHAINS AND LINKS, PINS, AND ATTACHMENTS THEREFOR; CHUTES AND PARTS THEREFOR; DRIVING CLUTCHES; CRUSHER CONCAVES, JAWS AND MANTLES; HOISTING AND WINDING DRUMS; CONVEYOR FLIGHTS; GEARS AND PINIONS FOR MACHINERY; TRACTOR GROUSERS; CONVEYOR GUDGEONS; WIRE-ROPE GUIDES; PULVERIZER HAMMERS AND RINGS; TAMPING ROLLER HEADS; LINERS FOR CRUSHERS, GRINDING MILLS, MIXERS, PULVERIZERS, PUMPS AND TUMBLING BARRELS; LOG-DOGS; LOG TURNERS; PADDLES FOR LOG WASHERS, MIXERS AND SINTERING MACHINES; CONVEYOR PANS; SCREENING MACHINERY PLATES AND MACHINE WEARING PLATES; ROLLERS-NAMELY, BUCKETLADDER, CONVEYOR, INCLINE, KILN, MOORING-CHOCK, TOWLINE AND TRACTOR TYPES; ROLLS-NAMELY, ANVIL, BRIQUETTE, CRUSHER, FORGING AND GRINDING TYPES; ROLL-CRUSHER SHELLS; SCREWS FOR SPIRAL CONVEYORS; SHOES FOR SNOW-PLOWS AND SWEEPERS; TEETH FOR BUCKETS, CRUSHER ROLLS, CLINKER GRINDERS, RIPPERS AND SCARIFIERS; TEETH REPOINTERS; STAMP-MILL PARTS-NAMELY, DIES, SHOES, TAPPETS; WHEELS FOR CONVEYORS, BRIDGE AND MONORAIL TYPE CRANES, SAWMILL CARRIAGES, AND AERIAL TRAMWAYS; AND CROWN, GEAR, IDLER, KICKER, PINION, SHEAVE, SPROCKET, TRACTION AND TROLLEY WHEELS FOR MACHINERY; TREADS FOR TRACTOR AND POWER-SHOVEL CRAWLERS; PRECIPITATION BAFFLES; AND BEARING RINGS AND ROLLERS; ALL THE FOREGOING GOODS BEING MADE OF FERROUS METAL