A new manual of perspective: containing remarks on the theory of the art, and its practical application in the procudtion of drawings ... Illustrated by numerous engravings (1849)
Whittock, Nathaniel · London, A. Hall & Co. · leaf 32
j MANUAL OF PERSPECTIVE. 29 CHAPTER III. OPERATIONS IN PRACTICAL PERSPECTIVE—FIGURES ONTHE GROUND PLAIN. Operation 1.—To draw the perspective appear-ance of a square, one side of it being on thebase line. First draw the square; then place one foot of the compasses on the angleof the square at c ;… … 30 MANUAL OF PERSPECTIVE. holds the pencil on c, and draw a curvedline as before. Where these curves intersectat e will be the point of the angle dec.By drawing lines from e to d and c, the anglewill be complete; and as the student is aware,from example, that an equilateral angle isalways an angle…
Perspective
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