Kirkman, Marshall Monroe, 1842-1921 · New York, Chicago, The World Railway Publishing Company · leaf 181
ome incrusted with scale or deposit while the valve is open and to prevent its closing, and the liability of damage or delay „ ' mri*™.™*. , , «',_ , . -. . " Fig. 1. Swing- Intermediate caused by the valve sticking or or Line check, failing to close is obviated. No matter how efficiently a boiler… … FIG. 1. rectly :nto the steam chamber, thereby Injector Oil Cup. lubricating then >zzles, tubes and other (Sectional View.) parts subject to wear, and preventing the adhesion of scale formed by impurities in the water.
Railroads · Transportation
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