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 59
a long line evenwith the horizontal line. The lower line of thebeam projects a little beyond the perpendicularlines. From the ends of this projection drawtwo short upright lines for the ends of thebeam, and connect them with another line run-ning in a horizontal direction. The sides of 56 MANUAL OF… … sixth squares, on the pavement, draw perpen-dicular lines to the lines above the horizonrunning to the point of sight; then draw thesquare of the beam in the distance,—and thedrawing is complete. MANUAL OF PERSPECTIVE. 57 Fig. 41 shows the way in which the centre ofthe square figure in perspective…
Perspective
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