A history of architecture in Italy from the time of Constantine to the dawn of the renaissance (1901)
Cummings, Charles Amos, 1833-1905 · Boston, New York, Houghton Mifflin and company · leaf 158
s are all round-arched.The walls of aisles and clerestory have strongly projecting buttresses,and the thrust of the nave vaults is met by a wall carried up on thetransverse arches of the aisles above the aisle roof, and abuttingagainst the buttresses of the clerestory, a device adopted by the… … Fig-. 330. Fossanova. Interior. Milan. These walls are now solid, but their masonry affords evi-dence that the portion above the roof was originally an arch, whichhas been filled in with later brickwork. If this be so, we have hereprobably the first example in Italy of a flying buttress, though…
Architecture
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