But although, for these reasons, an exact quadrature of the circle has never been effected, there have been many close ... by Leibnitz and Gregory ; and if the sum of it could be found, that would give the exact quadrature of the circle. ... the diameter of a circle and its circumference in small numbers; showing that the diameter is to the circumference nearly as 7 to 22, ... having two paddle- wheels of 5 feet diameter, with eight floats 25 inches wide and 8 inches deep, which wheels are at*anbsp;...

Title | : | Mechanics' Magazine,No.200 August 2,1828 |

Author | : | Mechanics' Magazine,No.200 August 2,1828 |

Publisher | : | - 1828 |

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