plates was installed, and is producing at the rate of about 5,500 net tons monthly. The sheet mills now number 17 hot mills, with a production of 8,000 net tons monthly. A steel foundry was added in 1907, and this department has been enlarged until it has an output of about 600 tons of steel castings per month. In 1909 the Company took over the plant of the Reliance Tube Company and later enlarged the tube department, so that it now has a capacity of 2,000 tons of boiler tubes monthly. The Company specializes in its sheet steel department on electrical sheets, automobile and metal furniture sheets. AMERICAN BRIDGE COMPANY The American Bridge Company’s plant at Ambridge, a few miles from Pittsburgh, on the Ohio River, is the largest bridge and structural plant in the world. Its product consists of steel bridges, buildings and miscel- laneous structural materials; rolled structural shapes; fabricated ship steel; steel barges; steamboat hulls and other floating structures used in connection with inland and harbor transportation; forgings, steel, iron and brass castings; transmission towers, electric furnaces, rolling mill and bridge shop machinery, bolts, nuts and rivets. The yearly capacity of the bridge shops is 800,000 tons and of the rolling mills 250,000. The American Bridge Company was the pioneer in the fabrication of hull steel for ship construction, and had furnished fabricated ship steel for thirteen (13) ships prior to the outbreak of the war. The Company has rolling mills at Pencoyd, Pa., and fourteen (14) bridge shops, two of which are located at Chicago, and one each at Pittsburgh, Ambridge, Pen- coyd, in the State of Pennsylvania, Trenton, N. J., Edge Moor, Del., Elmira, N. Y., Canton, O., Toledo, O., Detroit, Mich., Gary, Ind., Minneapolis, Minn. and St. Louis, Mo. The Company is capitalized at $10,000,000 all common et Lh.