Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 104
VE, 87 Referring to Fig. 90, we see that when the centres of the valvesare at a distance apart = en = s, then cut-ofF or re-admission willtake place. There-fore, if a circle be A,struck from centreO (Fig. 94) withradius s = Od^, cut-off will take placewhen the crank is atOC, and re-openingof the…
Steam-engines
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