Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 635
(Fig. 3), themethod of operation can easily be under-stood by referring to the explanatory let-ters: A—Gas \aKe. B—Water Valve and Regulator. C—Pilot Light. D—Automatic Gas Lock. E—Inside Water Supply Pipe. F—Double Boiler Flange. G—Bent Water Supply Pipe. H—\\ater Discharge Pipe from boiler to… … Fig. INSTANTANEOUS WATER DOUGLAS NO. 2 Interior ^Mew HEATER. The operation is as follows: After lighting Pilot C, the gas supplying burner Ring Ois turned on at Gas Cock A, which automatically turns on Supply Cock B, allowing thewater to pass upward through Pipes G and E and into Double Spray L,…
Building materials
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