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 100
cussed in § 88. Figures 77 and 83 showit as it most commonly occurs. Fitted together with cer-tain peculiar crosses, as in Fig. 77a, it forms a very commonall-over pattern, which was executed in tiles in Saracenicdecoration.! Figure 78 is an Arabic form. The irregu-lar form suggested in § 99, Ex.… … - Parquet Flooring. Fig. 77a.- 98. In Fig. 77 circle O is tangent to the sides of the square ABCD atpoints E, F, G, and H, and intersects the diagonals at points K, L, M, and NPoints E, F, G, and H, also K, L, M, and N are joined. Then the otherpoints are joined as indicated. EXERCISES 1. Prove…
Geometry · Decoration and ornament
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