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.