Published: May 2, 2019

Categories: Radiators

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An excerpt from Rolla Carpenter's "Heating & Ventilating Buildings" with a table about Experiments on Different Steam-Heated Surfaces and Different Materials (Wrought-Iron, Cast-Iron, Steel, and Brass Pipes. Corrugated, Ringed, and Plain Surfaces). This includes ratings for radiators from the 1800s including the Clogston, Walworth, Union, Triumph, Peirce Excelsior, Gold's Pin Indirect Radiator, Howard Oxbow Radiator, among others.