But if below the window is to be solid wall to the height of 2 feet from the floor, draw cy parallel to AP, cutting the radial P* in y ; draw yy ... meeting the impost in x..s ; and with a radius of 6 feet for the architrave, describe the outer semicircle.

Title | : | The art of drawing in perspective, from mathematical principles |

Author | : | George Douglass (of Edinburgh.) |

Publisher | : | - 1805 |

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