Page:The Kinematics of Machinery.djvu/308

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KINEMATICS OF MACHINERY.

lever. This will indicate its relation to the mechanism (C" 4 ') a, which the arms & and d turn instead of swinging.*

FIG. 203.

Here we have exhausted the methods of placing the chain ' 4 '), and have found that three out of the four mechanisms

FIG. 204.

for (C")* and (C") c respectively. By using the words crank and lever, as I have proposed, we can thus greatly shorten the names without, I think, making them in- definite.
 * Prof, lleuleaux uses " Revolving double crank " and " Oscillating double crank "