OFF

581

OET

Of corbel tables, ii. 238.

“ buttresses, ii. 238.

“ pilaster slips, ii. 238.

“ towers, ii. 238.

“ pinnacles, ii. 238.

“ porches, ii. 238.

“ roofs, ii. 238.

“ the transition, or semi-Norman style, ii. 238.

“ pointed arches, ii. 238.

“ doorways, ii. 239.

“ windows, ii. 239.

“ Norman ecclesiastics great builders, with list ofworks, ii. 239.

Description of Norman military structures, ii. 239.Castle , i. 110.

List of well-authenticated Norman buildings, ii. 240.Principal works for consultation on Norman architec-ture, ii. 240.

Nosings of Steps, ii. 240.

Notch-Board, ii. 240.

Notching, ii. 240.

Nucleus , ii. 240.

Nuel, ii. 240.

Newel, ii. 231.

Staircase , ii. 441.

Nuisance, ii. 240.

Nuisance, Abatement of, ii. 240.

Oak, ii. 240.

Oasis, ii. 241.

List of most noted, ii. 241.

Description of, ii. 241.

Obelisk , ii. 241.

Derivation of term, ii. 241.

Cleopatra’s Needles, i. 167.

Difference between obelisks, ii. 241.

Proportions of, ii. 241.

Antiquity of, ii. 241.

Porphyry, ii. 320.

Oblique Line, ii. 241.

Oblique Angle, ii. 241.

Oblique-angled Triangle, ii. 241.

Oblique Arches, ii. 241.

Skew Arch, ii. 431.

Stone Bridge, ii. 463.

Oblong, ii. 241.

Observatory, ii. 241.

Of the observatory of Greenwich, ii. 242.

“ French observatory, ii. 242.

“ Tycho Brahe ’s, ii. 242.

“ Benares, ii. 242.

Obtunding, ii. 242.

Obtuse, ii. 242.

Obtuse-angled Triangle, ii. 242.

Obtuse Section of a Cone , ii. 242.

Ochre, ii. 242.

Octagon, ii. 242.

Octahedron, or Octaedron, ii. 242.

Regular Body, ii. 361.

Octogon, ii. 242.

Octagon, ii. 242.

Octostyle, ii. 242.

Odeum, ii. 242.

Odometer, ii. 242.

CEcus, ii. 243.

Offices, ii. 243.

Offsets, ii. 243.

VOL. ii. 7 I

Ogee, ii. 243.

Ogives, ii. 243.

Oillets, Oillettes, or Oylets, ii. 243.

Old Red Sandstone, ii. 243.

Olympian Games, ii. 243.

Description of, ii. 243.

Circus, i. 164.

Hippodrome, i. 499.

One-Pair of Stairs , ii. 243.

Oolite, ii. 243.

Roe Stone, ii. 370.

Opae, ii. 243.

Opening, ii. 243.

Aperture, i. 10.

Opera House , ii. 243.

Opisthodomos, ii. 244.

Opposite Angles, ii. 244.

Opposite Cones, ii. 244.

^Opposite Sections, ii. 244.

Optic Pyramid, ii. 244.

Perspective, ii. 280.

Optic Rays, ii. 244Perspective, ii. 280.

Optics, ii. 244.

Treatise on, ii. 244.

Orangery , ii. 244.

Oratory, ii. 244.

Orb, ii. 244.

Orchestra, ii. 244.

Theatre, ii. 485.

Order, ii. 244.

Origin and description of, ii. 244.

Order, Attic , ii. 245.

Attic , i. 18.

Order, Caryatic, ii. 245.

Caryatic, i. 107.

Order, Gothic, ii. 245.

Castle , i. 110.

Gothic, i. 450.

Orders, Greek, ii. 245.

Doric Order , i. 290.

Ionic Order , ii. 18.

Corinthian Order , i. 200.

Order, Persian , ii. 245.

Persians , ii. 280.

Order of Temples , ii. 245.Amphiprostyle, i. 3.

Antm, i. 8.

Dipteral, i. 272.

Peripteral, ii. 275.

Prostyle, ii. 344.

Ordinance, or Ordonnance, ii. 245.

Order, ii. 244.

Ordinates, in Geometry , ii. 245.

Ordinate, in an Ellipsis, ii. 245.Organical Description of Curves, ii. 245.Oriel Window , ii. 245.

Orle, ii. 245.

Ornaments , ii. 245.

Ornaments in Relievo , ii. 245.Orthogonal Figure, ii. 245.Orthographical Projections, ii. 245.Projection, ii. 328.

Orthography , in Architecture, ii. 245.Orthography, External, ii. 245.Orthography , Internal, ii. 245.Perspective, ii. 280.