Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · 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. 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…
