A source book of problems for geometry, based upon industrial design and architectural ornament (1912)
Sykes, Mabel, 1868-, Slaught, H. E. (Herbert Ellsworth), 1861-1937, Lennes, N. J. (Nels Johann), 1874- · Boston, Allyn and Bacon · leaf 265
Q B … Fig. 229a. — From the Chapter House, SalisburyCathedral. ^^275. In Fig. 229 AQ = BP = | AB. P and Q are the centers for BC andAC, respectively. The arches AED and DBF are constructed on the halves ofthe span AB, with radius f AD and points S, R, R, and S as centers. Circle Ois tangent to the arcs…
Geometry · Decoration and ornament
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