Viollet-le-Duc, Eugène-Emmanuel, 1814-1879, Van Brunt, Henry, 1832-1903 · Boston : James R. Osgood · leaf 550
rture of tliecurve, draw the perpendicular a i to the line ef -, from tlie point i,tlie perpendicular ij to tlie line c d ; from the point j, the perpen-dicular /■ k to the line y h ; and so on to the eye B of the volute.Perpendiculars dropped from the centres of hnes a i and ij will nieetat / on… … figure whose energetic curve recalls certain volutes of primitive lenianart. Other volutes are obtained by means of the equilateral triangle(see Fig. 99, E) ; E G H being this triangle, strike the arc E G fromthe point H ; divide the side G H in halves, and on the half G Gconstruct the equilateral…
Architecture
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