Bragdon, Claude Fayette, 1866-1946 · New York, A. A. Knopf · leaf 135
The Fourth Dimension — about the central point of intersection of the axes. (Figure 15, left.) Where each of these intersects the circle an apex of the 16-hedroid will be estab- lished. From each apex it is now necessary to draw straight lines to every other, each line repre- senting one edge of… … Figure 15 directly opposite one another, and opposite the point of sight, all of these lines fail to appear in the left hand diagram. It therefore becomes neces- sary to tilt the figure slightly, bringing into view the fourth axis, much foreshortened, and with it, all of the lines which make up the…
Sullivan, Louis H., 1856-1924 · Architecture · Decoration and ornament
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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