Ludy, Llewellyn V., 1875- [from old catalog], American Technical Society · Chicago, American technical society · leaf 143
ed in Figs. 38 and 39. Remembering thatthe valve must be moving to the left as the piston moves from thehead end toward the crank end, and that the valve must be dis-placed by an amount equal to the lap plus the lead to the left of itsmid-position, the eccentric must be below the horizontal and…
Indicators for steam-engines · Steam-engines
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