. Medieval architecture, its origins and development, with lists of monuments and bibliographies. III. 7-2.— Plan of Il:i>;i(.s , (?(?iiMaiitinoplc. (From Ilil^licr) THE PROBLEM OF PENDENTIVES bonds, far from l)cing structural, project almost to the externalwall and completely ruin aisle and gallery. Still the variedperspectives and charm of contrasted surface attained in thedesign of this monument go far to compensate for its some-what impracticable III. 73. — Kan of S. Vitale of Ravenna. (From Dehio) The problem of placing a spherical dome on a polygonalbuilding wa


. Medieval architecture, its origins and development, with lists of monuments and bibliographies. III. 7-2.— Plan of Il:i>;i(.s , (?(?iiMaiitinoplc. (From Ilil^licr) THE PROBLEM OF PENDENTIVES bonds, far from l)cing structural, project almost to the externalwall and completely ruin aisle and gallery. Still the variedperspectives and charm of contrasted surface attained in thedesign of this monument go far to compensate for its some-what impracticable III. 73. — Kan of S. Vitale of Ravenna. (From Dehio) The problem of placing a spherical dome on a polygonalbuilding was no new one. In the West, the Romans had attackedit in one of the octagonal halls of the enclosure at CaracallasBaths, in the so-called temple of ^Minerva Medica, and else-where. In these early attempts the dome was built always on Pendentives were known in the East at a very early epoch. In the Western Tomb atAmman, a dome is placed upon a square base; and at Kusr-en-Nueijis, Jerash, Jerusalem,Ismid, and Sart there are true pcndentive vaults dating from the II or III century Thisconstruction was merely reproduced in the monuments of the late V century at Ravenna,while the only true innovation introduced at Ilagia Sophia was the placing of a dome ofsmaller diameter iiiHm the [xMidentives; in the earlier examples the curve of the pendentiveshad l)een continued to form the entire vault. 105 BYZANTINE ARCHITECTURE the plan of the inscribed circle, so that it fitte


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Keywords: ., bookcentury1900, bookdecad, booksubjectarchitecture, bookyear1912