Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 80
aned surface on theback of the valve. It is set up to its work against the valve by set THE SLIDE-VALVE. 63 seiews passing through the cover, which act against a spring, andcan Ijc adjusted from the outside. The internal sjiace between the ring and the cover is connectedwith the exhaust pipe or… … Fig. 56. The Piston Slide-valve is a form of slide-valve which is used forhigh-pressure steam, to avoid the loss due to the friction of theordinary flat valve. The piston-valve as in perfect equilibrium as
Steam-engines
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