Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 355
Fig. 377. that of a certain four-bar chain. A photograph of the arrange-ment is shown in Fig. 377, in which one board is fixed and theother rolls round it. The major axis of the rolling ellipse has acertain motion impressed upon it; and that motion is exactly thesame as if the foci were connected… … Elliptic wheels may be also used to give a quick-return motion.Suppose that Pi is the driver, and draw the mechanism in theposition for which the axis major of the follower P2 is horizontal,as shown in Fig. 378. Since the axes of the ellipse were in the same vertical line together, it followsthat…
Machinery, Kinematics of
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