Axles of hammered iron.
Wrist-pins of cast-steel, or iron case-hardened. Springs of best quality of cast-steel.
Connecting-Rods of best hammered iron, furnished with all necessary straps, keys, and brasses, well fitted and finished. Equalizing Beams of most approved arrangement, with steel bearings. Driving-boxes of cast-iron with brass bearings babbited.
FRAMES.
Of hammered iron, forged solid, or with pedestals separate and bolted and keyed to place. Pedestals cased with cast-iron gibs and wedges to prevent wear by boxes. Braces bolted between pedestals, or welded in.
FEED WATER.
Supplied by one injector and one pump, or two brass pumps, with valves and cages of best hard metal accurately fitted. Plunger of hollow iron. Cock in feed-pipe regulated from footboard.
ENGINE TRUCK.
Square wrought-iron frame, with centre-bearing swing bolster.
Wheels of best spoke or plate pattern.