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 521
Fig. 194 being higher with an early cut off than it is when cut offoccurs later in the stroke. The loop at A is caused by too … Fig. 195 much lead which, together with the compression, caused amomentary rise in the pressure above the normal. Thelead at B is approximately correct. The difference in ter- Diagram Analysis 509 minal pressures at C and D is the result of shifting of thepoints of cut oif caused by variations in…