Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 448
e base or springing line of the dome. Fig. 28 showsat A B C D such a square and circle. If the four walls whichform the sides of the square building are now continm^d upward,they will cut into the spherical segment whose base is representedby the circle, since this circle overhangs the square on… … Pig. 28. 873 62 THE ROMAN ORDERS as the semi-circular arches of radius 1-En and 50 parts, which coverthe doorways. A horizontal section taken through the dome at theelevation of the crowns of these circular segments will show acircle which (in plan) will be inscribed in the square formed by thefour…
Architecture · Building
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