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 992
the car from attaining itsfull velocity. If a hard packing is used, and this is forcedinto place dry and very tight, the chances are that when itbecomes well soaked it will expand enough to burst the jcylinder. Bursting hydraulic-elevator cylinders is not a very rare occurrence, and when it does… … Fig. 398 964 Steam Engineering Eeferring to Fig. 389, it will be noticed that there aretwo piston rods, E. This construction was adopted in the early days of hy-draulic elevators partially to increase the safety of theapparatus, but principally to prevent the traveling sheaveB from twisting around.…
