A treatise on painting : In four parts ... The whole illustrated by examples from the Italian, Venetian, Flemish, and Dutch schools (1837)
Burnet, John, 1784-1868 · London : James Carpenter · leaf 36
regulate perspective. If we wereto proceed and examine every-feature in the same manner, we should findthat the same laws lead us into a correct view of the alterations which takeplace upon every alteration in position. To explain this more clearly, ifwe take the mask and hold it with the chin… … would give him a view of the face between a front and profile (or whatis termed by artists a three quarter), would see one side of the lip of itsentire length, while the other side, lying in the direction of the visualrays, would be reduced to a very small space, as may be perceived by itsbreadth…
Painting
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