A dictionary of architecture and building : biographical, historical, and descriptive (1902)
Sturgis, Russell, 1836-1909 · New York : The Macmillan company · leaf 565
from rib to rib, in which case the surfaces arecylindrical, conical, or conoidal; or they maybe arched from rib to rib, the surfaces thenbeing spheroidal or convex-conoidal. The ribs058 VAULT are of circular or elliptical curvature, formingsemicircular, semielliptical, pointed, three-cen-tred, or… … Fig. 71 (Plan and Section). The fir.st .step in the development of the ribsystem of vaulting is often said to be the in-crease of the depth of the cross band in barrelvaults, making it an independent arch, withthe vaulting above it. But such a rib, if it isproperly so called, does not .sustain the…
Architecture · Architects
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