A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 463
r previ-ously described. 312. Pendentives.—Another method of finishing theroof or ceiling over the intersection of two passageways, is to construct over thecrossing a hemispher-ical dome, when thepassages are of thesame width, and anelliptical dome whenthey are of differentwidths. The effectof this… … § 9 CARPENTRY. 129 intersection. The roof of each passa<j;-e is vaulted over witha semicircular arch, as gkc and elf, while from the pointsi\ /, and g, where these arches spring, there also starts ahemispherical dome gm o iif. The corners c, /, and g grad-ually round over to the eye of the dome…
Architecture · Building
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