Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 362
Fig. 768. Fig. 769. Fig. 770. intersection severally of these circles with the radii C 1, 0 2, 0 3, will givepoints of the eccentric curve required. Fig. 768.—To construct a double and symmetrical eccentric, lohich shall pro- MACHINE DESIGN AND MECHANICAL CONSTRUCTIONS. 345 … Fig. 771. 346 MACHINE DESIGN AND MECHANICAL CONSTRUCTIONS. duce a uniform rectilinear motion^ with periods of rest at the points nearest to,and farthest from, the axis of rotation. The lines in the figure above referred to indicate the construction of the
Mechanical drawing
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