National boilers, radiators, and specialties: catalog no. 26 (1920)
National Radiator Company · National Radiator Company · leaf 72
Sementol Shur-tite Sementol is a liquid chemical compound which can con-veniently be introduced into the water in the boiler, a radiatoror piping and will very quickly close any leaks. It has beenused with success on thousands of installations and has savedthe fitter and property owner thousands of…