Ruskin, John; Cook, Edward T. [Editor]: The works of John Ruskin: The elements of drawing. The elements of perspective. And the laws of Fésole (London, 1904)

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THE ELEMENTS OF PERSPECTIVE

PROBLEM VIII
To DRAW A SQUARE, GIVEN IN POSITION AND MAGNITUDE, IN A
HORIZONTAL PLANE.

PROBLEM IX
To DRAW A SQUARE PlLLAR, GIVEN IN POSITION AND MAGNITUDE, ITS
BASE AND TOP BEING IN HORIZONTAL PLANES . . . .

PROBLEM X
To DRAW A PYRAMID, GIVEN IN POSITION AND MAGNITUDE, OR A
SQUARE BASE IN A HORIZONTAL PLANE . . . . .
PROBLEM XI
To DRAW ANY CURVE IN A HORIZONTAL OR VERTICAL PLANE .
PROBLEM XII
To DIVIDE A CIRCLE DRAWN IN PERSPECTIVE INTO ANY GIVEN NUMBER
OF EQUAL PARTS

PROBLEM XIII
To DRAW A SQUARE, GIVEN IN MAGNITUDE, WITHIN A LARGER SQUARE,
GIVEN IN POSITION AND MAGNITUDE ; THE SlDES OF THE TWO
SQUARES BEING PARALLEL ........
PROBLEM XIV
To DRAW A TRUNCATED CIRCULAR CoNE, GIVEN IN POSITION AND
MAGNITUDE, THE TRUNCATIONS BEING IN HORIZONTAL PLANES,
AND THE AXIS OF THE CoNE VERTICAL .....
PROBLEM XV
To DRAW AN INCLINED LlNE, GIVEN IN POSITION AND MAGNITUDE

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