Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 631
rking pressure of 300 pounds. Thecoils are so wound that the heat strikes every portion ofthem, using all the heat from the burners during the passageto the vent pipe. The burners (Fig. 7) consume the gas with a blueBunsen Flame, assuring the highest possible econom\; Theseburners are so made that…
Building materials
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