an epicycloidal tooth is used, the distance, of the pitch- line from the end of the tooth is equal to J of its breadth ; and, if we ... also let these measures of the cir- cumferenc* be reduced into measures of the diameter by the usual ratio of 3M416 to 1, ... Again, the pinion 8 has 16 similar measures in its circumference, and by the fame proportion the diameter will be 5-09 ... of his method of calculation by a sector of a peculiar construction ; but we do not find that its use has become general.

Title | : | Encyclopaedia Londinensis, or, Universal dictionary of arts, sciences, and literature |

Author | : | |

Publisher | : | - 1811 |

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