Ruskin, John, 1819-1900 · New York: John Wiley · leaf 226
200 XVIII. PROTECTION OF APEETUEE. construction. quiring less masonry and shorter roofing; and when the archbecomes so large as to cause a heavy lateral thrust, it may be-come necessary to provide for its farther safety by pinnacles, c. This last is the perfect type of aperture protection.…
Architecture · Sculpture
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