Jackson, Thomas Graham, Sir, 1835-1924 · Cambridge, University Press · leaf 138
ewel-stairup to the roof of the triforium. This, together with thestepped buttressing we have imagined, if it ever existed,may have proved too weak, and what Justinian did mayhave been to raise the whole pier by the two chambersabove, which would have brought it to the present form,at the same time…
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