Ludy, Llewellyn V., 1875- [from old catalog], American Technical Society · Chicago, American technical society · leaf 113
From the foregoing discussion of lead, it isevident that its effect is to permit steam to enter the cylinder beforethe end of the stroke, which tends to provide an abundance of steambehind the piston when starting the return stroke and throughoutthe period of admission. It also promotes smooth… … Fig. 13. Diagram Showing Lap Angle andAngle of Lead
Indicators for steam-engines · Steam-engines
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