Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 165
rying these proportions or bytracing the path of some other point on the free link. The prin-ciple of curvature at points of contraflexure, noted in connectionwith the sinusoid, will be seen to hold good for this curve aswell. Similar problems arise in connection with hinging ofcertain types of… … Fig. 143 In Fig. 143 the circle 1-12 rolls on the base m-n. Let it berequired to trace the path of the point a. After one completerevolution of the circle, the point a will again be in contact withthe base line, at a distance from its original position equal to2irr. This locates the point aP. The…
Geometry, Descriptive
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