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 174
hether the valve isjto be double or single acting; that is, whether or not double admissionand double ex-haust openings aredesired. The valveunder consider-ation here is ofthe double act-.. ing type. Balance Plate. The Balance Plate, Fig. 79, contains the balancing cones MC and PC (main cone and… … 174 LOCOMOTIVE ENGINEERING at the face of the plate at top of valve simultaneouslywith admission and exhaust at valve face and cylindervalve seat. The face of the balance plate, Fig. 80, is an exactduplicate of the cylinder valve seat and forms a secondvalve seat against which the valve operates in…
Locomotives
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