Let us make this polygon revolve round the axis AOB, of the cap every part of the right line mn, np will form a truncated cone, of which AOB will be the axis. The whole surface of these truncated cones will differ less from the surface of theanbsp;...

Title | : | Mathematics Practically Applied to the Useful and Fine Arts |

Author | : | Charles baron Dupin |

Publisher | : | - 1844 |

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