Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 632
Fig. 9. WOOD SECTION OF A HOUSE SHOWING THE CRESCENTAUTOMATIC HEATER CONNECTED Fig. 10. AUTOMATIC VALVE The points of superiority in this valve are: Simplicity; the impossibility of getting out of line; no binding of pistonstem; the entire gas valve or water-valve can be removed without disturbing…
Building materials
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