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Page:The Kinematics of Machinery.djvu/330

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308

KINEMATICS OF MACHINERY.

the dotted centre lines which, we have shown to be of considerable assistance.

FIG. 237.

We have thus considered four methods of pin-expansion in the slider-crank chain, obtained by placing

2 within 1 (Fig. 232) 3 within 2 (Fig. 235.) 1 within 2 (Fig. 232) 2 within 3 (Fig. 236.)