Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 358
proximately is found by crossing the arms of the governor-ballsand making use of auxiliary arms, so that the balls in ascendingdescribe an approximate parabola instead of the circle. … Fig. 175. On the axis XX of Fig. 122 lay off a parabola as shown.Draw the ordinates BB and erect the normals BS and BSi.Draw a parallel ordinate BYBi and erect normals as before to 338 THE STEAM-ENGINE AND OTHER HEAT-MOTORS. intersect the other normals in some points S and S\. It is a prop-erty of…
Steam-engines · Heat-engines
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