Book of Standards Containing Tables and Useful National Tube Company Price, Two Dollars NATIONAL TUBE COMPANY National Tube Company Manufacturers of Black and Galvanized Wrought Pipe In sizes from 8 inch to 30 inches Boiler Tubes Lap-welded, Spellerized Steel Shelby Cold Drawn and Hot Rolled Open Hearth Seamless Steel Casing, Tubing, Drive Pipe, Water and Gas Mains Converse and Matheson Lead Joint Pipe Cylinders Lap-welded and Seamless for Anhydrous Shelby Seamless Steel Mechanical Tubing and Miscellaneous Forgings A Complete Line of Malleable, Cast Iron |