Cyclopedia of locomotive engineering, with examination questions and answers; a practical manual on the construction care and management of modern locomotives (1916)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co., pub. for Sears, Roebuck & co. · leaf 627
J 2 a 8 (a) W End View. Figure 244 Plan View. No. 5. Duplex Air Pump in themittedmain cap nut, atmospheric pressure is always ad- and present on the surface of the oil in the oil chamber, consequently, when the pump AUTOMATIC AIR BRAKES 585 piston moves down, the partial vacuum in the pumpcylinder…
Locomotives
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