. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . , 1907. to overcome these complaints has beena much argued question. Probably every engineer who is obligedto use hard water for making steam has,at one time or another, used one or moreof the thousand and one schemes formitigating the serious results that comefrom the continual use of such principal methods in use are:Precipitation and neutralization, in theboiler itself, of the undesirable constit-uents in the water, throtigh the mediumof boiler compounds, and by the removal Zepho
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . , 1907. to overcome these complaints has beena much argued question. Probably every engineer who is obligedto use hard water for making steam has,at one time or another, used one or moreof the thousand and one schemes formitigating the serious results that comefrom the continual use of such principal methods in use are:Precipitation and neutralization, in theboiler itself, of the undesirable constit-uents in the water, throtigh the mediumof boiler compounds, and by the removal Zephon Chemical Company of Chicago,who are making a line of compounds tosuit the water that is to be the actual constituents of the waterin question, as shown by accurate chem-ical analysis. Their compounds are ingranular or powdered form. The makersstate that they contain nothing that willbe injurious to boiler plates, valves orfittings; they will not induce foaming,will prove effective in cases of leaky flues,and will prevent oxidation and cor-rosion of the iron. Old scale, it is ul ii KP, STEWART & CO. ENGINES OF LONG AGO. of the objectionable constituents from thewater before the latter is delivered to theboilers. The records of the United States PatentOffice contain many formulas for boilercompounds, etc., and in the last few yearsthere have sprung into prominence sev-eral companies that have taken up thisimportant question from a strictly scien-tific standpoint. They have establishedresearch laboratories and have expendedlarge sums of money in experimentalwork, with the ultimate idea of eliminat-ing the injurious constituents in thewater and at the same time not to in-troduce anything that will cause injuryto the boiler or its fittings. Boiler compounds that are made on abasis of the actual analysis of the water,by a reputable concern, and sold at a rea-sonable price, have many arguments infavor of their adoption by steam are easily appli
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