DETAILED CLASSIFICATION.

MAINTENANCE OF WAY AND STRUCTURES.
Class No.
[1–A]Frogs, switches, and crossings, and parts of same.
[1–B]Track fastenings, track bolts, spikes, etc.
[1–C]Track tools—all kinds, including hand and push cars, gasoline motor cars, velocipedes, and parts of same, and miscellaneous track material.
[2–A]Interlocking and signal material.
[2–B]Telegraph and telephone material.
[3]Building and paving brick, cement, lime, stone, cast-iron water and culvert pipe, roofing tile and slate, prepared roofing, all kinds for buildings, sewer and drain tile, etc.
[4]Lumber, bridge and building, including piling, bridge timber, bridge ties, fence posts, shingles, and manufactured lumber for bridges and buildings.
[5–A]Switch ties, treated or untreated.
[5–B]Crossties, treated or untreated.
[6]Iron bridges, turntables, and structural steel, all kinds.
[7]Ballast, all kinds, including riprap.
[8]Rail, all kinds, except scrap.
[9–A]Fuel and water station material, and scales, and parts.
[9–B]Elevators, and coal and ore handling and conveying machinery.
[9–C]Steam derricks, steam shovels, steam ditchers, pile drivers and other such portable equipment used in roadway work and special material for same.
[10]Chemicals for timber treatment.
MAINTENANCE OF EQUIPMENT.
[11]Bolts, nuts, washers, rivets, lag screws, pins and studs.
[12]Springs, helical and elliptical, all kinds, for locomotives and cars.
[13]Flues for locomotive and stationary boilers, arch tubes, dry pipes, all kinds.
[14]Brass, copper, and steel tubing, copper ferrules, and soft metals, such as copper, babbitt, tin, lead, and zinc.
[15]Bar iron and steel, spring steel, tool steel, shaped steel, sheet steel under No. 13 gauge, sheet copper, tin and brass, chain, all kinds, except light coil, wire netting.
[16]Boiler, fire-box, tank and sheet steel, No. 13 gauge and heavier, all kinds.
[17]Heavy forgings for locomotives, such as crank pins, piston rods, quadrants and levers, motion links, valve yokes, etc.
[18]Car forgings, iron and steel for passenger and freight cars, including metal brake beams and metal bolsters.
[19]Locomotive castings, including gray iron, malleable, and steel, rough and finished, also cylinders, rough and finished.
[20]Car castings, including gray iron, malleable, and steel all kinds, also couplers and knuckles, and parts for metal car roofs.
[21]Rough and finished brass castings and journal bearings.
[22]Air-brake material, all kinds, for locomotives, passenger and freight cars, except hose, but including air pump and parts.
[23]Mechanical appliances for locomotives, such as injectors, lubricators, bell ringers, sanders, pop valves, air and steam gauges, whistles, boiler checks and parts, water gauge and lubricator glasses, and speed recorders.
[24]Passenger-car trimmings, all kinds, including oil and gas lamps and fixtures, steam-heat fixtures and fittings, except steam hose, mail car, coach and chair-car seat fixtures, including upholstering material of all kinds, such as carpet, linoleum, rubber tiling and matting for cars and buildings.
[25]Electric material for steam and electric locomotives.
[26]Electric material for steam and traction-line cars.
[27]Shop fuel, smithing coal, coke, fuel oil for furnaces, gasoline, charcoal, etc.
[28]Foundry supplies, fire brick, fire clay, etc.
[29]Wheels, tires, and axles for locomotives and cars, including driving-wheel centers, cast-iron, steel-tired and rolled-steel wheels.
[30]Lumber, locomotive and car, rough and finished, including manufactured articles.
[31]Machinery and machine tools, including all power-driven shop machinery.
[32]Locomotive boilers, fire boxes, locomotive tenders and frames.
[33]Trucks for equipment, locomotives, and cars.
[34]Material in process of manufacture.
[35]Floating-equipment material, all special material peculiar to floating equipment.
CONDUCTING TRANSPORTATION.
[36]Locomotive, train, and station supplies, including tinware, all kinds; lanterns, train, switch, and other signal lamps and parts; locomotive and caboose tool equipment, such as jacks, shovels, wrecking frogs, train chains, etc.; baggage and warehouse trucks, caboose and station stoves and parts, ticket cases, tool handles, and all kinds of woodenware.
[37]Oil-house material, all kinds, including lubricating oils and grease, illuminating oils, boiler compound, all kinds, and waste, all kinds.
[38]Ice, sawdust, hay, and straw for ice houses.
[39]Fuel, locomotive, including coal and wood and fuel oil for locomotive use only.
[40]Fuel for stations and cars; includes coal, coke, and wood.
[41]Commissary supplies for dining cars and restaurants.
GENERAL—COMMON TO ALL DEPARTMENTS.
[42]Pipe, iron and steel, except boiler flues.
[43]Pipe fittings, all kinds, for steam, air, and water; valves and cocks for same.
[44]Electric-lighting material and supplies for buildings and grounds.
[45]Hardware, all kinds, including nails, jacks, small hand tools, emery wheels, wire, and wire cloth.
[46]Rubber and leather goods, including air, steam, and water hose, packing, all kinds, including metallic packing, asbestos, rope, belting, pipe covering, and boiler lagging.
[47]Glass, drugs, chemicals and painter’s supplies, such as brushes, scrapers, sand and emery paper and cloth, also paints, oils, and varnishes; all kinds for equipment and buildings.
[48]Stationery and printing.
[49]Power-plant equipment, including steam and electric power plants and generating stations, motors, and other electrical equipment for operating shop machinery.
[50]Scrap, all kinds, including scrap rail.