ed tooth for a wheel of thesame size, the correct depth and positions where the toothstrikes the inner and outer walls of the cylinder. It will bereadily seen that the position of the tooth point upon thecylinder (at c) is most favorable in reducing the resistanceto the least possible amount. But… … Fig quence, we have a false proportion; the effects being con-siderably increased by the worst possible position of theteeth H and H^, where they touch the cylinder. While thecylinder c is turning in the direction shown by the arrowsi i^j the tooth does not affect the cylinder to any extent;…
Clocks and watches
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