Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 306
FlO. !?73. the steam chest is an auxiliary slide valve, G, Figs. 273 and 274,which admits and releases the steam from the ends of the valvepiston. The valve piston, E, has two slots at the center, thelower one receiving the lug on the back of the main valve andthe upper one the toe on the rocker… … Fig. 274.piston, and the smaller one with the auxiliary slide valve, G,as shown in Fig. 274. The auxiliary, as well as the main,valves arc plain slides designed to take up the wear automati-cally. The pendulum lever, J, Fig. 273, is connected with thepiston rod as shown and rotates the shaft, D,…
Hydraulic machinery · Pumping machinery
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