Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 86
Fig. G6. THE SLIDE-VALVE. 69 … Fig. G7. radius OV = the outside lap. Distance VP is set off = the lead, andthe peipendicular PP, is raised to cut the travel circle in P,. ThenPoORg is the angular advance of the eccentric, position of \). crank being at OA. On P.^OR-draw the primary and second-ary valve circles on the di-ameters…
Steam-engines
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