Stereotomy : Problems in stone cutting. In four classes. I. Plane-sided structures. II. Structures containing developable surfaces. III. Structrues containing warped surfaces. IV. Structures containing double-curved surfaces. For students of engineering and architecture (1875)
Warren, S. Edward (Samuel Edward), 1831-1909 · New York : J. Wiley and son · leaf 150
e, n = 4, since i of the circle OA is divided into thesame number of parts as are found on the line OA. Then layoff on Fbi produced, bYn = 4, on any convenient scale; and2p = 2tt, by the same scale, on the tangent at 2 to the circle O A;reduce the rotary component as estimated with the radius P2,… … Fig. 12.If n = 1, PcZ, and the circle of radius Fd will be divided intothe same number of equal parts, -5- = -j- and 2p would be 4 times 2p, or ^w would have been called 1 instead of 4. 132. The subnormal method. — Draw PQ perpendicular toP51? and limited at Q by the normal ^Q. Then PQ is the…
Stereotomy
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