. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. al, theouter hemispherical. The formeris a frustum of a jiyramid oftwelve sides. Its upper extremityforms a horizontal polygon, finished?with a small parabolic cupola,showing twelve small marble ribson the exterior. The outer vaultterminates above, at the base ofthe small cupola, which stands likea lantern over the a))crtiirc. Fromthe pavement, the height of thecupola is 102 ft. The entrance isby a decorated doorway, from the sill of which the gener
. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. al, theouter hemispherical. The formeris a frustum of a jiyramid oftwelve sides. Its upper extremityforms a horizontal polygon, finished?with a small parabolic cupola,showing twelve small marble ribson the exterior. The outer vaultterminates above, at the base ofthe small cupola, which stands likea lantern over the a))crtiirc. Fromthe pavement, the height of thecupola is 102 ft. The entrance isby a decorated doorway, from the sill of which the general pavementn«. 152. »*pr» o, pm. ;, ^„„^ ^,,^p^. j.,^.^,^ ^^^,,,j ^j^^ ,,,,j,^,_ iiig ; the space between the steps and the wall having been provided for the accommodationof the persons assembled to view the cerem,>ny of baptism. An aisle or corridor is con-tinued round its interior circumference, being formed by eight granite columns and four piers,from which are turned semicircular arches, which support an upper gallery ; and aboveUic arches arc twelve piers, bearing the semicircular arches which sui>port the C,,, II. POINTED ARCH. 110 dome. On tlie exterior are two orders of Corinthian columns engaged in tlie wall, wliichsui)))ort semicircular arches. In the upper order the columns are more numerous, inas-niiicli as each arch below bears two columns above it. Over every two arches of the iip])eroriier is a sharp pediment, separated by a pinnacle from the adjoining ones; and above thepediments a horizontal cornice encircles the buiUling. Al)ove the second story a divisionin the com])artments occurs, which embraces three of the lower arches ; the se]) ertected by piers triangular on the plan, crowned by ])innacles. Between these ]) headed small windows are introduced, over each of which is a small circularwindow, and thereover sharp pediments. Above these the convex surface of the domesprings up, and is divided by t
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Keywords: ., bookcentury1800, booksubjectarchitects, booksubjectarchitecture
