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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 31

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 31 — 11 INTRODUCTION. quite arbitrary. However, in this figure, as an ap¬ proximation to a generally advisable distance, I make the distance s T equal to the diameter of the circle no P Q. Now, having fixed this distance, s T, all the dimensions of the objects in our picture ate fixed likewise, and for… … but seen at the side of it, edgeways ; let s be the Sight-point; s t the Station-line, which, in this figure, observe, is in its true position, drawn out from the paper, not down upon it ; and T the Station-point.

Perspective

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