Ludy, Llewellyn V., 1875- [from old catalog], American Technical Society · Chicago, American technical society · leaf 107
-4-- Fig. 3. Cylinder Details_Showing Plain Slide Valve without Lap in Mid-Position uncovered and opened to the live steam which enters the cylinderand causes the piston to move. Since the two faces of the valve arejust sufficient to cover the steam ports, it is evident that as theport Pi opens to…
Indicators for steam-engines · Steam-engines
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