The power of form applied to geometric tracery : one hundred designs and their foundations resulting from one diagram (1851)
Billings, Robert William, 1813-1874 · W. Blackwood and Sons · leaf 92
LXIII.
Decoration and ornament · Geometry in art · Geometry in architecture · Architectural design · Form (aesthetics) · Geometrical drawing
Internet Archive Book Images · Sterling and Francine Clark Art Institute Library · No known copyright restrictions (public domain). Free to use for anything.