Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 385
diagram for the main valve as usual, BOP beingthe angular advance, Pe and Pi being the exhaust- and steam-laps.With a center C0 and a radius equal to the negative lap of the cut-off valve describe a circle tangent to OA. Draw any crank posi-tion 07. Drop the perpendicular C08. Then from the… … Fig. 193. open, the negative lap, and at OA the port is clored. If the port inthe main valve is closed, it is a matter of indifference whether theport in the cylinder is open or closed. If the eccentric center isrotated to Cu then the cut-off is in crank position 02. The latestdesirable cut-off…
Steam-engines · Heat-engines
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-300-196.webp)
