Ornamental drawing, and architectural design. With notes, historical and practical. Upwards of 200 illustrations (1857)
Burn, Robert Scott · London, Ward and Lock · leaf 40
ORNAMENTAL DRAWING, 36 or circle; b for a square, and c d diamond or lozenge. In fig. 100 a and b are adapted for squares. In fig. 101, a, b for circles or hexagons. In D B … fig. 97. fig. 98. fig. 103. fig. 102 a is a corner-piece, b a triangle. In fig. 103 the ornament js adapted for an oblong, or rhomboid.
Architecture · Decoration and ornament
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.