. The Street railway journal . sor down-takes into the drum varies fromone-ninth to one-thirteenth the area ofthe water tubes which they empty or supply, .nother words there is a sharp contraction inthe water channel (see Fig. 4) and the circu- The nearly perfect disposition of heat=ing surface and the careful provision forthorough circulation of the water are thedistinguishing characteristics of the Heineboiler design as compared with all others. These two characteristicsmean greater economy infuel consumption, and thishas been proven again andagain in most careful com-parative tests made by
. The Street railway journal . sor down-takes into the drum varies fromone-ninth to one-thirteenth the area ofthe water tubes which they empty or supply, .nother words there is a sharp contraction inthe water channel (see Fig. 4) and the circu- The nearly perfect disposition of heat=ing surface and the careful provision forthorough circulation of the water are thedistinguishing characteristics of the Heineboiler design as compared with all others. These two characteristicsmean greater economy infuel consumption, and thishas been proven again andagain in most careful com-parative tests made by en-gineers on different formsof water tube boilers. CONSTRUCTION OF THE HEINE BOILER. The Heine boiler is built of the best lapwelded wrought iron tubes joined to water legsmade of heavy plate steel, which are in turnconnected to a combined steam and waterdrum carried parallel to the tubes. (SeeFig. 5.) No cast iron is used in the con=struction of the boilers. A reduced copy ofour specifications to the steel makers is shown in.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
