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The power of form applied to geometric tracery : one hundred designs and their foundations resulting from one diagram (1851)

Billings, Robert William, 1813-1874 · Edinburgh ; London Published by the author by William Blackwood and Sons · leaf 119

An illustration from The power of form applied to geometric tracery : one hundred designs and their foundations resulting from one diagram, 1851, leaf 119
The radius of curve 1 is the diameter of the outer circle. XC, / / / … The arcs 1, 2, are of the same radius; and Nos. 4, 5, and 6, are also similar

Decoration and ornament · Geometrical drawing

Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.

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