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The Decorator's assistant (1847)

[London : W. Gibbs] · leaf 218

An illustration from The Decorator's assistant, 1847, leaf 218
ntour of the mould-ing b df. The cymatium, or ogee, is the term appliedto a moulding of which the section is com-pounded of a concave and convex surface.There are two species of cymatium : the cymarecta, or, simply the cyma, and the cymareversa or talon. The Roman cymatium isusually composed of… … Fig. 11. Fig. 12. let a and 6 be the extremities of the curve, joina 6 and bisect it equally at the point c; fromthe point a and c, as centres, with the sameradius, describe arcs cutting at the point e d:likewise, from the points 5 and c as centres,with the same radius, desciibe arcs cutting atthe…

Design · Decoration and ornament · Art

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