Hill, John A. (John Alexander), 1858-1916, Sinclair, Angus, 1841-1919 · New York : American Machinist Pub. Co · leaf 305
y on part of the engineers lo leave valve in Alr-Brnke rnieliccBy .T. E. Pdelan.fouiitekntu paper. Tills paper Ircnting of the triple valve—retainingand quick-acting triple valve—readers may set itdown as a dry roast. The triple valve is located imder each cur, closelo luixiliary reservoir or brake… … which should be carried under ninniiig board so asnot to confuse the operator. In handling this valve you do not depend uponhearing escape of air at all, hut watch the gauge;reducing pressure above the piston, say eight pounds,will keep the valve and piston up until the pressurebelow it is reduced…
Railroads · Locomotives
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