Johnston, Philip Devereux, 1855- · New York, D. Williams Company · leaf 86
ifferent generating circles be employed the wheels would notfit each other, because the curve developed varies withthe size of the generating circle. This can be provenby using two different generating circles for developingthe curves and then fitting the curves together. In laying out a rack to… … 82 A MANUAL OF MECHANICAL DRAWING. Plate 22.The Prolate Cycloid.—If the tracing point be withinthe circumference of the generating circle, the curvedescribed by this point while the generating circle rollson a straight line is called the prolate cycloid. This isthe curve which is described by the…
Mechanical drawing
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