A dictionary of architecture and building; biographical, historical and descriptive (1901)
Sturgis, Russell, 1836-1909 · New York, Macmillan · leaf 71
Pkndbntive, Fig. 21. Arches, simple or compound, generally calledsquinches. Fig. 21 is a common arch, wiiosesoffit is ci/liiKlncal. Fig. 22 shows a splayedarch, whose soffit is a coniccd surface. Fig. 215,an arch whose soffit has an elliptical curve on oneface and a circular on the other, the ridge… … Pendexxive, Fig. 23.
Architecture
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