McCULLOUGH-DALZELL CRUCIBLE COMPANY 
The McCullough-Dalzell Crucible Company of Pitts- 
burgh was the first crucible company soliciting general 
business to locate west of the Allegheny Mountains. It 
was organized in 1872 and incorporated in 1895 under the 
laws of Pennsylvania, with an authorized capital of $150,000. 
The Company confines itself to the manufacture of goods 
containing plumbago, or graphite, and it imports its plum- 
bago from the island of Ceylon, thereby insuring a uniform 
grade of material. The Company manufactures crucibles 
of all sizes and shapes for the melting of all grades of steel, 
and also all sizes for the melting of brass and other metals, 
including the precious metals. It also manufactures 
plumbago stopper heads for use in open hearth furnaces 
and all other furnaces of a similar nature. Its product 
includes all articles on the market containing plumbago, 
and its product is considered the standard. 
NATIONAL TUBE COMPANY 
The National Tube Company and affiliated Companies 
has an area of 2,200 acres covered by manufacturing prop- 
erties and accessories. It has 25,000 employees, and an 
average monthly payroll of $4,210,000. It owns 130 miles 
of standard gauge railroad track. The Company con- 
sumes per 24-hour day: 8,000 gross tons of ore; 4,600 gross 
tons of coke; 10,500 gross tons of coal, (including by-pro- 
duct coke ovens); 2,000 gross tons of limestone. Total 
production in gross tons per 24-hour day, 29,500; gross 
tons of finished materials produced per 24-hour day, 
5,500. Steam horse-power-hours produced daily, 2,000, 
000; electric horse-power-hours, produced daily, 670,000. 
The Company’s annual capacity in gross tons of 2,240 
pounds follows: Pig iron, 1,750,000; bessemer ingots, 
1,550,000; basic open-hearth ingots, 600,000; blooms, 
billets and slabs, 1,900,000; by-product coke (net tons), 
1,100,000; flue dust sinter, 138,000. By-products from 
coke plant are as follows: Tar, 11,050,000 gallons; ammo- 
nium liquor, 1,508,000 lbs. NHS; sulphate of ammonia.