Hambidge, Jay, 1867-1924 · New Haven : Yale University Press · leaf 57
" of course, mean the five regular solids. These solids were of much interest to the Greeks of the Sixth Century B. C, because it was then thought that the a^eifTs~6T~the elements, which made up the universe, were shaped like the tetrahedron, the octahedron, the cube, and the icosahedron. The… … Fig. 33- AB is the given line and ABE is the semicircle. (See Fig. 33.) Euclid in sub- stance says: at A draw a line equal to AB at right angles to that line and call its point of termination G. The point C is midway between A and B. Connect C and G. In Euclid's diagram the point H is the…
Design
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