Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 315
Fig. 281. … ^W^ Fig. 282. common to all slide valve engines. The valve piston is con-nected to the main valve, which allows the valve to find itsown bearings on the seat and not only takes up the wear auto-matically, but produces even wear. To set the auxiliary valve, see that the valve is in its…
Hydraulic machinery · Pumping machinery
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