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The elements of perspective : arranged for the use of schools and intended to be read in connexion with the first three books of Euclid (1859)

Ruskin, John, 1819-1900 · London : Smith, Elder · leaf 136

An illustration from The elements of perspective : arranged for the use of schools and intended to be read in connexion with the first three books of Euclid, 1859, leaf 136
114 [App. I. PRACTICE AND OBSERVATIONS centre of the square it is more distant than the nearest edge of the square abacus. The curves of the capital may then be drawn approximately by the eye. They are not quite accurate in Fig. 62., there being a subtlety in their … junction with the shaft which could not be shown on so small a scale without confusing the student ; the curve on the left springing from a point a little way round the circle behind the shaft, and that on the right from a point on this side of the circle a little way within the edge of the shaft.…

Perspective

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