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 89
either of the points. In that case, lines aredrawn from it to the horizontal line; and wherethose lines terminate on the horizontal line, arecalled accidental points, as the point c in thisdiagram. MANUAL OF PERSPECTIVE. 87 Operation 19.—A cottage, according to ad-measurement. In the preceding…
Perspective
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