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 24
21 … In some examples these points or foils are (by the closeproximity of the circles) very thin. But, numberless ancientspecimens prove, that when the circles are smaller, and, conse-quently, more apart within thespace occupied by the wholefigure, the points become broader.When this occurs they are…
Decoration and ornament · Geometry in art · Geometry in architecture · Architectural design · Form (aesthetics) · Geometrical drawing
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