Applied perspective, for architects and painters (1901)
Longfellow, William Pitt Preble, 1836-1913 · Boston and New York, Houghton, Mifflin and company · leaf 170
much care. The upright edges of the stilt blocks provide vertical tangents at the springing points /,/, etc.; the hori-zontal tangents at the crowns are thediagonals of a series of squares corre-sponding to those in the plan. To provide intermediate tangents, letus imagine a tangent plane to the… … 94 APPLIED PERSPECTIVE JFij. /4C
Perspective
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