A history of architecture in all countries, from the earliest times to the present day (1902)
Fergusson, James, 1808-1886, Spiers, Richard Phené, 1838-1916, Kerr, Robert, 1823-1904 · London, J. Murray · leaf 433
wer portion of the arch, the springing of whichis about 40 ft. from the ground, is built in horizontal coursesup to 63 ft. above the ground, above which comes the portionarched with regular voussoirs; by this method not only was anenormous centering saved, but the thrust of that jDortion built… … 262. Part ol External AVall, Firuuzaljatl. No scale. Bk. IV. Ch. VI. TAK KESRA. 399 remainder of the vault, however, was possibly erected without centres,the bricks being placed flatwise and the rings being inclined at anangle of about 10° towards the back of the front arch. The tenaciousquality of…
Architecture
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