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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 73

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 73 — 53 PYRAMID ON SQUARE BASE. PROBLEM X. TO DRAW A PYRAMID, GIVEN IN POSITION AND MAG¬ NITUDE, ON A SQUARE BASE IN A HORIZONTAL PLANE. D … Fig. 25. Let ab, Fig. 25., be the four-sided pyramid. As it is given in position and magnitude, the square base on which it stands must be given in position and magnitude, and its vertical height, c D.* Draw a square pillar, A B G E, Fig. 26, on the square base of the pyramid, and make the height…

Perspective

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