Ludy, Llewellyn V., 1875- [from old catalog], American Technical Society · Chicago, American technical society · leaf 141
Fig. 33. Section of Valve Designed fromDiagram Fig: 32 38 VALVE GEARS It is proposed to here show fast, how an engine may be reversedwith a direct valve, engine running over; second, with a direct valve,engine running under; third, with an indirect valve, engine runningover; and fourth, with an…
Indicators for steam-engines · Steam-engines
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