. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . conducted into thecone to be flushed away. After leavingthe accelerator plates the now softenedand purified water passes through awood-fibre filtering bed which clarifiesit completely. The filtering materialrequires renewal only at long intervals. 32C RAILWAY AND LOCOMOTIVE ENGINEERING July, 1909. Emerging from the filter bed the soft,clear water enters the top reservoirand is drawn off for use through anoutlet pipe, flowing by gravity. The Dodge Manufacturing Companyhave given us some figure
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . conducted into thecone to be flushed away. After leavingthe accelerator plates the now softenedand purified water passes through awood-fibre filtering bed which clarifiesit completely. The filtering materialrequires renewal only at long intervals. 32C RAILWAY AND LOCOMOTIVE ENGINEERING July, 1909. Emerging from the filter bed the soft,clear water enters the top reservoirand is drawn off for use through anoutlet pipe, flowing by gravity. The Dodge Manufacturing Companyhave given us some figures in connec-tion with the operation of their print the figures as received fromthem, without verification, as a state-ment likely to interest or be useful toour readers. The Dodge Company say,in connection with the following table:The Master Mechanics Association re-ports that the average cost of boilerrepairs on roads in the United Statesand Canada is $720 per year. In thepresent statement this figure has beencut 38 per cent, in order to cover onlysuch repairs as are due to impure SECTION OF THE APPAR.\TUS. A repair charge of $225 per locomotivehas been allowed when treated wateris used. The cost of pumping water forwashing and filling purposes has notbeen included in the figures owing tothe difficulties of arriving at a satis-factory and equitable basis. Estimate of the cost of operatingone hundred locomotives on a 200-miledivision before and after installationof water softeners at ten pumpingstations: USING UNTREATEn WATER. Loss of time of three locomotives outof service for washing, eight hourseach, equal to one locomotive con-tinuously, at $100 per day, 365 _ days $36, Washing, at $ daily, wages ofthree men, for three locomotivesdaily, 365 days 1, Boiler repairs per year, at $450 perlocomotive, one hundred loco*motives Coal required to heat_ cold boilers to steam after cleaning Cost on yearly basis $85, USING TREATE
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