A dictionary of architecture and building; biographical, historical and descriptive (1901)
Sturgis, Russell, 1836-1909 · New York, Macmillan · leaf 566
the panels may be of a lighter kind of stone,such as tufa or pumice, or even of brick. Thepieces that form the panels may run straight … Fig 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-couoidal. The ribs958 VAULT are of circular or elliptical curvature, formingsemicircular, semicUiptical, poiiiteil,…
Architecture
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
