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 983
levators are equipped. Another valuable device is the speed limit, which usuallyconsists of stops mounted at some convenient point in thehatchway, and set above and below balls m and m. so as tolimit the distance through which the latter can be moved. 948 Steam Engineering In some cases additional… … Fig. 390 mentally when the elevator is installed. The movement ofthe car is kept steady by guides M, M, Fig. 389. In theconstruction shown in Fig. 389 these guides are made ofhard wood. At the top of the car adjustible shoes are Hydraulic Elevators 949 provided, which slide freely against the…