National boilers, radiators, and specialties: catalog no. 26 (1920)
National Radiator Company · National Radiator Company · leaf 83
Covering For Hot Water and High and Low-Pressure Steam This covering is made of special corru-gated paper. It is a recognized non-con-ductor, thoroughly fire-proof and almostindestructible. It is full quarter-inch andhas small corrugations, leaving little spacefor confined air. It is light and… … Asbestos Magnesia Sectional MouldedCovering For Steam Pipes and allHigh-Pressure Work Where great strength and durability arerequired, this covering meets requirementsadmirably. The superiority of this cover-ing is due to the excellent quality of allmaterials used and to the special processof…
