Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 298
team Pump. 299 Thus it is seen that the piston cannot get into a positionwhere it is impossible for it to respond to the steam pressure. To set tJic valve place the piston in the mid-stroke positionand set the auxiliary valve with rocker arm plumb, andthe preliminary valve covering all its ports… … Fig. 364. The accompanying engraving, Fig. 264, shows a section ofthe slide valve chamber, which is fitted to the top of cylinder.The slide valve, B, is fitted in the valve chamber. A, the tut-offvalve, C, works on top of the slide valve and is operated oy thevalve stem, D. The lever, F, which…
Hydraulic machinery · Pumping machinery
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