Suggestions in design : being a comprehensive series of original sketches in various styles of ornament : arranged for application in the decorative and constructive arts (1880)
Leighton, John, 1822-1912, Colling, James Kellaway · London : Blackie and Son · leaf 115
n. Their general forms were first cared for, these were subdivided by general lines, the interstices were then right-angle triangle A, Fig. 164, the rectangle filled in with ornament, which was again subdivided and enriched for closer in- b, and the isosceles triangle c. In these, a-a, b-a, and c-a… … similar, by which it will be seen that a forms run upon the fret, of which Fig. 168 is a characteristic piece may be combined with any one of the example. No. 9, Plate 29, also shows how others by either of its sides; thus rendering the fret form was them susceptible of combinations as various Fig.…
Decoration and ornament
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