Bragdon, Claude Fayette, 1866-1946 · New York : A. A. Knopf · leaf 134
posed points. These apexesare established in our representation by describinga circle—the plane projection of the hyper-sphere[114] The Fourth Dimension —about the central point of intersection of the axes.(Figure 15, left.) Where each of these intersectsthe circle an apex of the 16-hedroid will be… … the; 16 -HEpEOID IN Pl/^ PROJEjdllQNFigure 15 directly opposite one another, and opposite thepoint of sight, all of these lines fail to appear in theleft hand diagram. It therefore becomes neces-sary to tilt the figure slightly, bringing into viewthe fourth axis, much foreshortened, and with it,…
Sullivan, Louis H., 1856-1924 · Architecture · Architecture -- United States · Decoration and ornament
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