Steam-Plant Operation (1963) Asbestos pump packing, asbestos gaskets in piping systems, asbestos rope and asbestos compound in chapter about boilers, and more.
The Armstrong Steam Trap Catalog F (1930). Asbestos ring gasket used in Armstrong Forged Steel Steam Traps. Asbestos will withstand high temperatures.
The Armstrong Steam Trap Book, Catalog G (1936). Asbestos gasket use. Armstrong Steel Traps used in many types of plants: public utilities, chemical, industrial, mining, paper and pulp mills, food processing, and oil.