[M2.19backL]                                                          [M2.19back]									19
                                                                      
[diagrams]                                                            		fall on the projecting portions alone.  Hence therefore
                                                                      		the constant law; that in proportion to the increased
Note in fig 3 let the height                                          		scale of the capitals the excess of c d above a a must be
of the entire capital a be ½                                          		less, Hence, supposing at present for convenience [?] sake
diameter of shaft in b = to it                                        		that the slope of the lower headstone, and the depth
in c double of it, and always                                         		of abacus are constant, a c d d fig 1 is the proportion
subdivided into ½ p by abacus.                                        		for a large building, a c2 d3 a, for a middle sized
                                                                      		building, a c3, d3 a for a small building;  while at 2
                                                                      		and 3 the same arrangement is shown supposing the {depth of}
                                                                      		abacus always equal to the depth of bell:  It is observable
                                                                      		that while the flat capital a would be preposterous
                                                                      		in a small building, and the tall capital c preposterous
                                                                      		in a large;  the middle capital 1 is perfectly allowable
                                                                      		on the smallest scale, and while raised on tall shafts in
                                                                      		groups, it may legitimately become a member of a large
                                                                      Relations of	composition.  Hitherto we have supposed that the angle slope of
                                                                      Capital with	the line b fig 1 p 16 was constant.  But evidently
                                                                      superimcum-	the capital is certain fair, strong or weak in the degree to which the in the extremities
                                                                      bent architect	in proportion to the smallness of the  ba.a1; and the
                                                                      ture.		admissible largeness of this angle depends on the direction
                                                                      Slope of	of the pressures at the extremities;  and therefore
                                                                      line a-b	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]