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 1018
soas to replenish the air that gradually leaks out of the pres-sure tank. Even if there were no difficulty in pumping airinto a high-pressure tank, the accumulator would be pref-erable, because with it the pressure depends upon theweight on top of the plunger, not on the height of the Hydraulic… … Fig. 413 \ The arrangement of the entire apparatus of an Otis high-pressure vertical elevator is shown in Pig. 413. This il-^lustration shows several parts not represented in the ele-^Wntary diagram, Fig. 412. The main pump is at A and 990 Steam Engineering at B is shown the prime mover, which in…