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                                                                      	 fall on the projecting portions alone.  Hence therefore
                                                                      the constant law; that in proportion to the increased
                                                                      scale of the capitals the excess of c d above a a must be
                                                                      less, Hence, supposing at present for convenience sake
                                                                      that the slope of the lower headstone, and the depth
                                                                      of abacus are constant, a c d d fig 1 is the proportion
                                                                      for a large building, a c 2 d 3 a, for a middle sized
                                                                       building, a c3, d 3 a for a small building;  while at 2
                                                                      and 3 the same arrangement is shown supposing depth of
	Note in fig 3 let the beight                                          abacus always equal to the depth of bell:  It is observ-
of the entire capital a be ½ diameter of shaft in b o                 able that while the flat capital a would be proportions
to it in c double of it, and always subdivided into ½ p by            in a small building, and the tallcapital c preposterous
abacus.                                                               in a large;  the middle capital 1 is perfectly allo able
                                                                      on the smallest scale, while raised on tall shafts in
                                                                      groups, it may legitimately become a member of a large
                                                                      composition.  Hitherto we have supposed that the slope of
                                                                      the line b a fig 1 p 16 was constant.  But evidently
                                                                      the capital is certain fair, strong at the extremities
                                                                      in proportion to the smallness of the L ba ba;  and the
                                                                      admissible largeness of this angle depends on the di ection
                                                                      of the pressures at the extremities;  and therefore
                                                                      altogether on the characters of the superimcumbent
                                                                      architecture:  when any lines of resistance fall in a
                                                                       direction approaching to the vertical, on the

[Version 0.05: May 2008]