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 405
* inde-pendent of the main valve and spring; and to furtherexplain their operation, the steam in popM chamberfinds a passage through holes or ports into an annular … FlGUBE 190 Crake Pop Valve,sectional view INJECTORS, STEAM GAUGES, ETC. 40 space provided in the auxiliary valve or disc, and byreason of the light auxiliary spring, this pressure liftsthe auxiliary valve and allows the steam in popMchamber to gradually escape, thus permitting a greaterrange in…
Locomotives
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