Page:The Kinematics of Machinery.djvu/338

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KINEMATICS OF MACHINERY.

of the links b and d. It was applied in an original manner in Mr

Wi nan's " Cigar-boat." *

FIG. 247.

The " elliptic chuck " shown in Fig. 247 which so far as we know was invented by Leonardo da Vinci,' and was certainly


 * Practical Mechanic' a Journal, vol. xix., (1866-7), p. 271.