[M2.28backL] [M2.28back] 28 Thus far then for the Pillar itself: Next for the modes of joining the pillars above. These are briefly or strictly only two; the a and d of p 7 l for c is only an awkward lintel: (and b never used, owing to its inconvenience): (I don’t know but c should be examined separately): for London Brick windows Prato, etc However; in general effect, their are three The Lintel, the Gable, and the arch. 1. The lintel: The only absolute condition is that its Consider especially the delicate pilaster with a weight should be enough to give stability to the building cornice like frieze on the face of Lombard walls, as and work to the column; for a certain weight is required circular end of Cathedral, Verona. to make either a building strong, or a shaft steady. It is a rude mode of working: only exquisitely ornamented by the Greek. 2. The Gable. A preeminently Wooden construction to [diagrams] be presently treated of. 3rd. The Arch: Naturally divides into three kinds the Flat arch, True arch, and High arch, a, b, c, opposite, and each of these may be round or pointed, as a2 b2 c2 C. however being an arch requiring a change of curve, has never been used: though a far finer school might be founded on it than on the flat truncated arch: But I believe all arches with double centres are wrong; The high pointed arch
[Version 0.05: May 2008]