Shaw's Civil architecture; being a complete theoretical and practical system of building, containing the fundamental principles of the art (1852)
Shaw, Edward · Boston, J. P. Jewett · leaf 55
centres, with a radius A B,describe two arcs intersecting each other at F. 2. From B, draw B C perpendicular, and dividethe arc A C into as many equal parts as the polygonis to have sides. 3. Through the second division D draw B G, makeF E equal to F D, and through E draw A G, meet-ing B G at G;…
Architecture · Building
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