Hambidge, Jay, 1867-1924, Yale University. Rutherford Trowbridge memorial publication fund · New Haven, Conn., and New York city, Yale university press; [etc., etc.] · leaf 29
DYNAMIC SYMMETRY 12 Greeks covered the point geometrically when they established the fact that in a right triangle, a line drawn perpendicular to the hypotenuse to meet the intersection of the legs, is the side of a square equal in area to the rectangle formed by the two segments of the hypotenuse.… … These three lines C, B, A, constitute three terms in a continued proportion. When the three radii vectors are drawn from the center to the circumference of the shell curve, as in Fig. 4, and these points of intersection with the spiral are connected by two straight lines, a right angle is created…
Design · Vases, Greek
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