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Wilhelm Pfahl
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29,499. Pfahl, W. Dec. 31. Slow - combustion stoves.-In a slowcombustion stove for heating with low-pressure steam or hot water, in order to prevent gases from escaping through the fueldoor joints and other cracks when the air valves are shut at night, the "fuel shaft" a is provided with an upper chamber e, into which side flues d, of the form shown, open above the fuel. An opening f in the rear wall of the fuel shaft, communicates with flues g leading to t h e chimney. The grate c is arranged and formed as shown. The upper chamber k need be used only in steam apparatus.
GB190429499D1904-12-311904-12-31Improvements in Slow Combustion Stoves for Heating with Low Pressure Steam or Hot Water.
ExpiredGB190429499A
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