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 164
when the valve is fitted with them. In some!/pes of piston valves the live steam is admitted,^side, between the heads, as shown in Fig. 71, andrie exhaust passes out around the ends, but the sameirinciple of balancing is retained as with the outsideAmission type, for the reason that the pressure… … Figure 71 pon which the piston valve works. In practice thealve is made as long as possible, in order that theorts leading to the cylinder may be shortened to thelinimum. Another type of piston valve is shown in Fig. 72.his valve is made hollow for lightness and has pack-ig rings at each end to…
Locomotives
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