. The street railway review . r\ is heated by a steam jacketUl fusing either live or ex-♦ haust steam); between theoil chamber and the steamjacket is an air jacketthrough which air cir-culates; by screwing bush-ings of diflFcrent sizes intothe air outlets at the topof the jacket the volumeof air passing through thejacket is easily regulated, and the temperature of the oil therebycontrolled, and limited to the maximum suitable to the grade of oilfiltered. The oil being rendered fluid by thus heating it, dirt, water,and other impurities readily settle and are drawn off through thefaucets near th
. The street railway review . r\ is heated by a steam jacketUl fusing either live or ex-♦ haust steam); between theoil chamber and the steamjacket is an air jacketthrough which air cir-culates; by screwing bush-ings of diflFcrent sizes intothe air outlets at the topof the jacket the volumeof air passing through thejacket is easily regulated, and the temperature of the oil therebycontrolled, and limited to the maximum suitable to the grade of oilfiltered. The oil being rendered fluid by thus heating it, dirt, water,and other impurities readily settle and are drawn off through thefaucets near the bottom. After being thus settled the comparativelyclean oil rises on the inner side of the deflecting shield and as shownby the arrows passes through the filtering chamber which is filledwith compressed white waste. The bottom of the filtering chamberis a perforated cone covered with white waste. It would be difiicult to imagine a more perfectly arranged oilcleaning apparatus; the oil is first strained and settled, thus r
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
