Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 363
by imagining astring wrapped round Ei, and attaching a pencil at the point D inthe string. As the string is unwrapped the pencil will trace outthe curve L. In a similar manner, the curve M may be derivedfrom the curve Eg. Now imagine the pulleys Ei, Eg keyed to theshafts Pi, Pa, so that Ei rocates… … Fio. 389. NON-CIRCULAR WHEELS. 353 in no sense constrain the motion as transmitted by the curvedplates, because, in any position, the motion as transmitted by thepulleys will be exactly the same as that transmitted by theplates. In fact, if the plates be removed and the motion entirelytransmitted…
Machinery, Kinematics of
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