Topics containing "girders"

wheel, top, frame, points, attached, span, pin, tension, drawn, contact, thickness, roof, desired, flat, handle, beams, shows, supported, thick, pass, compression, string, bars, supports, wooden, curves, rollers, sizes, joints, connected, pins, continuous, revolving, finished, forms, convenient, fastened, flange, larger, carrying, thin, passes, firmly, ropes, thrust, represents, deep, designed, girders

tons, cost, mines, estimated, production, rate, cwt, gross, quantity, completed, machines, supply, coals, tonnage, Iron, coke, daily, improvements, consumption, purposes, workings, worked, dock, expenditure, produce, largest, running, driven, returns, fair, smelting, docks, constructed, sold, shops, inclusive, balance, drilling, deep, consumed, furnaces, blocks, Bessemer, exclusive, situated, rapidly, week, yearly, require