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                                                                      	Thus far t[f]hen 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 1 for c is only an awkward lintel: (and b never
                                                                      used, owing to its inconvenience)P:  (I don’t know but c
                                                                      should be examined separately):  for London Brick windows
                                                                      Prato, etc However; in genera effect, there 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 concise           weight should be enough to give stability to the building
conrnice 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 ornament-
                                                                      ed by the Greek:
                                                                      2.  The Gable.  A preeminently Wooden construction to
                                                                      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 and

[Version 0.05: May 2008]