rease the A B — motion from one wheel to another may be communicated will work together. We may, however, by means of the with as much uniformity as by frictional contact of the cir- points to a suita- / employment of another generating circle, carry the processa cumferential surfaces, let A B, in… … a lantern, trundle, or wallower (which are synonymous terms) must be epicycloidal with the curves generated by the rolling fixed centers, and let C C represent a margin of stiff white of a circle whose diameter is the same as that of the lantern, paper attached to B, so as to revolve withit. Now…
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