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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 76

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 76 — 56 THE ELEMENTS OF PERSPECTIVE. Let cdef, Fig. 29., be the rectangle so drawn. If an extremity of the curve, as A, is in a side E g f of the rectangle, divide the … points of contact of the curve and rectangle e, f, g. If an extremity of the curve, as b, is not in a side of the rectangle, let fall the perpendiculars B a, B b on the rectangle sides. Determine the corre¬ spondent points a and b in Fig 29., as you have already determined A, b, e, and /. From b,…

Perspective

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