Hourticq, Louis, 1875-1944 · New York : Scribner · leaf 39
on intersecting arches; thegroined vault, formed by the inter-penetration of two demi-cyhnders.The cupola was employed moreespecially among the Byzantines.Spherical triangles, or pendentives,form the transition between its baseand the square plan of the bayof the nave which it had to cover,or more… … FIG. 33.—NAVE OF SAINT-PIERRE, AT ANGOn.EME. arch {arc doubleau)it to the buttresses. Nevertheless, the building failed to conceal effort. The lateralaisles, which in the ancient basilicas were designed to add to theproportions of the nave, now served to buttress it by means oftheir half-barrel…
Art
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