Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 272
COMOTIVES 26$ to another except by the action of the valve. Thusan opportunity is given to machine accurately all thevarious ports, sothat the admissionof steam is uni-form under all con-ditions of service.The valve, whichis of the pistontype, double andhollow, as shownin Fig. 124, con-trols the… … Figure 122
Locomotives
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