The beautiful necessity; seven essays on theosophy and architecture . antity. There is a raison detre for stringcourses other than to mark the posi-tion of a floor on the interior of abuilding, and for quoins and pilastersother than to indicate the presenceof a transverse wall. These some-times serve the useful purpose of sosubdividing a fagade that the eyeestimates the number of its openingswithout conscious effort and consequent fatigue (Illustration 83). Thetracery of Gothic rose-windows forms perhaps the highest and finest archi-tectural expression of number (Illustration 84), Just as thir


The beautiful necessity; seven essays on theosophy and architecture . antity. There is a raison detre for stringcourses other than to mark the posi-tion of a floor on the interior of abuilding, and for quoins and pilastersother than to indicate the presenceof a transverse wall. These some-times serve the useful purpose of sosubdividing a fagade that the eyeestimates the number of its openingswithout conscious effort and consequent fatigue (Illustration 83). Thetracery of Gothic rose-windows forms perhaps the highest and finest archi-tectural expression of number (Illustration 84), Just as thirst makes water more sweet, so doesGothic tracery confusethe eye with its com-plexity only the moregreatly to gratify thesight by revealing theinherent simplicity inwhich this complexityhas its root. Some-times, as in the caseof the Venetian DucalPalace, the numbers in-volved are too greatfor counting, but otherand different arithmetical truths are portrayed; for example, the multiplica-tion of the first arcade by 2 in the second, and this by 3 in the cusped arches,. BEJSLAftU OCTEEDRADBASED ON THE HEX-AGRAM,OE ,wra MUCnPL£ iTOU3N,l!DUmBASED ON


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Keywords: ., bookcentury1900, bookdecade1910, booksub, booksubjectarchitecture