Applied perspective, for architects and painters (1901)
Longfellow, William Pitt Preble, 1836-1913 · Boston and New York, Houghton, Mifflin and company · leaf 65
s then, if continued, would find thevanishing point in its intersection with the vertical through V. The line Ab, or A V,lies directly under Ae, in the plane Abe, which is the ground plane, and is its projectionon the Ground Plane : we may call it the horizontal ground projection of Ae. We maysay… … point of its ground projection. It remains to see how this is to be found. Let a Vbe any inclined line vanishing (Fig. 46) in V. The vanishing point V of its groundprojection, as we have seen, is directly under Vm HH at the foot of the vertical VV.The lower half of the figure represents the plan,…
Perspective
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