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 239
l circular triangleoccurs throughout Gothic architecture. It was used forsmall windows at an early date.^ Fine examples are foundin Westminster Abbey, where the inscribed circle containsan eight-foil, in Hereford Cathedral, where it contains asix-foil, and in Lichfield Cathedral (Fig. 208). That…
Geometry · Decoration and ornament
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
