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 166
orestatedl the movement of a piston valve having outsidejadmission is precisely the same as that of a D slide[valve, but it is well to note the fact that while thegreat majority of engines fitted with D slide valvesihave indirect valve gear, still there are some in whichIthe motion is direct. For… … Figure 73 s a rocke. arm that reverses the motion, the valve ha<mtside admission, indirect. Rule 2. If the eccentrics and crank pin are togetherfnd there is no rocker arm, but direct motion, thealve has inside admission, direct. Rule 3. If the eccentrics and crank pin are on oppo-ite sides of…
Locomotives
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