Hambidge, Jay, 1867-1924, Yale University. Rutherford Trowbridge memorial publication fund · New Haven, Conn., and New York city, Yale university press; [etc., etc.] · leaf 56
DYNAMIC SYMMETRY 39 … Fig. 28. Fig. ay. In the thirteenth book of the Elements, Euclid proves the relationship of the end, side and diagonal of the whirling square rectangle. Proposition 8 is devoted to proving that diagonals to a pentagon cut each other in the propor- tion of the whirling square rectangle. The fact…
Design · Vases, Greek
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