Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 408
he position of the Valves and Valve Setting 395 eccentric with relation to the crank according to the loadthat is on the engine, thus regulating the point of cut offso as to maintain a constant speed, while the throttle iskept wide open. While the details of setting all the var-ious styles of… … Fig. 135 In all types of reciprocating engines the same factorsaffecting the distribution of the steam are present, viz., theoutside or steam lap affecting admission and cut off, andthe inside or exhaust lap affecting release and compression.While the D valve (and other types of single valves)…
