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 36
tive would have beenmuch longer than the side of the square seen MANUAL OF PERSPECTIVE. 33 on the base line, which is, of course, in-correct. The square properly drawn a b c d is shadedin the diagram, to distinguish it from the squaredrawn from the wrong point of distance; butif the learner, in… … point of sight. The process is the same as in the preceding lesson, with the exception that the side of the square measured on the base is placed some distance from the point of sight, instead of immediately under it. The author of this Manual is aware that nothing is more tedious to the juvenile…
Perspective
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