Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 422
Fig. 145 In Fig. 146 the valve-cranks are in their extreme posi-tions, and the eccentrics likewise, with everything ready tostart in the direction of the arrows. On the crank end thesteam valve is lapped, and the exhaust valve is open, while Valves and Valve Setting 409 … Fig. 146 reverse conditions exist on the head end. On all othertypes of valve-gear the eccentrics would be advanced 90degrees when the valves are lapped^ but on this engine thesteam valve is lapped when the eccentric is on its extreme 410 Steam Engineering position. The exhaust valves are the same…
