Byzantine and Romanesque architecture . 15 ft., andto the squinch arches thrown across the angle formed bythe buttresses with the wall, and as no bulging is apparentbetween the buttresses his confidence is justified (Fig. 23). The great buttresses consist each of two parallel walls, The fourvarying from 4 6 to 7 in thickness and 10 6 apart buttresses(Fig. 24): they are pierced by large arches 20 ft. widein the ground and gallery storeys, over which two barrel-vaulted chambers occupy the interval between them,which is therefore vaulted across four times in theheight. In the outer part is a narr
Byzantine and Romanesque architecture . 15 ft., andto the squinch arches thrown across the angle formed bythe buttresses with the wall, and as no bulging is apparentbetween the buttresses his confidence is justified (Fig. 23). The great buttresses consist each of two parallel walls, The fourvarying from 4 6 to 7 in thickness and 10 6 apart buttresses(Fig. 24): they are pierced by large arches 20 ft. widein the ground and gallery storeys, over which two barrel-vaulted chambers occupy the interval between them,which is therefore vaulted across four times in theheight. In the outer part is a narrow staircase windinground a brick newel, which probably in all cases oncereached from the ground to the level of the gallery* See Appendix to this chapter. 92 S. SOPHIA, CONSTANTINOPLE [ch. vi The four round the dome, though now some of the lower flightsbuttresses are blocked, or destroyed. The effect of piercing these buttresses with arches inthe gallery floor and that below is to convert them into FLAN OF BUTTRE^5ABOVJE qALLERY ROOF,. 4 I I ^ ^^ Fig. 24. flying buttresses; and their strength depends on theirabutment, which is the stair turret and the short respondwalls of the gallery arches. Strange to say removal ofplaster for the purpose of examination has revealed the
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Keywords: ., bookauthorjacksont, bookcentury1900, bookdecade1910, bookyear1913
