Jackson, Thomas Graham, Sir, 1835-1924 · Cambridge [Eng.] University press · leaf 63
way adopted at Serbistan andFirouzabad, and still followed in that country. On theoctagon it was not difficult to place a circular dome,which would be constructed without centering in themanner already described. In Syria another method was adopted. Large flatstones were laid across the angles,… … IQJJINCH.Fig. 9. ^ Choisy, I/tsi. dArchit. I. 125. CH. Ill] DOMES AND VAULTS 39 A far more scientific and beautiful way was by the Thespherical pendentive, the discovery of which constitutes p^ndentivethe triumph of Byzantine architecture. It is arrived atin this manner. A BCD (Fig. lo) is the…