Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 207
piston valve was a perfectly balanced valve; this,however, has been proven not to be so, as the unbalenced portion is largely dependent upon the width oi *For complete description of tins piston valve, the reader isreferred to Compound Locomotives in Vol, XII, The Science of Railways. (W) 198… … Fig. 2. Locomotive Piston Valve. The American piston valve with wide packingrings wedged in such a manner as to prevent theirgreat outward pressure against the walls of the valvechamber, is shown in Fig. 2, as it has been applied toseveral locomotives of modern and complete design. WATER GAUGES AND…
Locomotives
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