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 396
has moved fromits central position towards the head end of the cylinder,and back again. We have seen how it has thus performedthe functions of admission, full port opening and cut off Valves and Valve Setting 383 for the crank end of the cylinder, and now by referringto Fig. 125 it will be seen at… … Fig. 126 inside lap, which in this case is assumed to be one-half inch.When the crank gets to the position 7 its center line cutsthe intersection of the inside lap and valve circles, andrelease begins. When the crank arrives on the center 8,.the valve has moved the distance C T from central…