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 105
Fig. 82a. — Parquet Flooring 103. InFig. 82 ABCDisasquare. E, F, G, and H are the middle points ofthe sides. OK=OL = OM = ON. The squares EFGH and KLMN aredrawn. Points Q and V, P and R, etc., also K and L, V and R, K and N, etc.,are joined. DESIGNS CONTAINING MIGBT-POINTEB STABS 93 EXERCISES 1.…
Geometry · Decoration and ornament
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