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 16
foundation of om* work^contains perhaps more than any other geometric figurethe power of variation, and we have by no means exhaustedits fertility of change. Nay,we can hardly be said to havefairly opened out its vast, itsendless, powers of combination.In its primary form it will atonce be… … 14 I
Decoration and ornament · Geometrical drawing
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