Multiply the radius, or half the diameter, by half the circumference ; or, which is the same thing, multiply the circumference * by the ... 1385 433 Ans. By applying the calculation of this rule to a circle the diameter of which is unity, or 1, factors are obtained which are of the greatest use in ... If, therefore, we can ascertain the ratio between any circle and its diameter, we have only to apply this ratio as a rule ofanbsp;...

Title | : | The Excise Officer's Manual and Improved Gauger |

Author | : | Joseph Bateman |

Publisher | : | - 1840 |

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