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 1009
Fig. 402 cause shaft M to rock, thus moving the pilot valve bymeans of valve rod L. Moving the pilot valve will either … Fig. 403 open or close main valve K, which will allow the water toflow into, or out of the cylinder, depending upon whatdirection lever S is moved. y Hydraulic Elevators 975 If the operator fails to return lever S to stop positionwhen the car reaches^ the top of the hatchway;, the frameN will be…
