A dictionary of architecture and building : biographical, historical, and descriptive (1902)
Sturgis, Russell, 1836-1909 · New York : The Macmillan company · leaf 192
generally semicircles ; so thatthe wall ribs (formerets) and crossribs (arcs douhleaux) were naturallypointed to avoid the cupola-like formwhich would result from too great adifference in their respective heights.When the diagonal ribs were thuspointed, the cro.ss ribs and wall ril)swere naturally… … (See under L.) A longitudinal rib sometimes used at the apex of niedi- seval vaulting. Wall Rib. That one of the two formerets which is closely attached to the exterior wall of Rib, Bio. 2: Vaulting of ]2iiil withUr.xament alone, as those at theand all the others not kounb lnAbbey. m.\ny Kibs used…
Architecture · Architects
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