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                                                                      	   remities of the capital:  the angle a ab, must be small
                                                                      but when the lines of pressure fall vertically through
                                                                      to the shaft, the projecting portions of the capital
                                                                      become supplementary:  and the angle may be comparatively
                                                                      large as in Greek lintol architecture fig 1 opp;  or
                                                                      again, when the lines of resistance are sloped to the head
                                                                      of the shaft, the line a b, may be made parallel to their
                                                                      slope;  fig 2 opp; and should be so, otherwise the un-
                                                                      necessary weight of stone is added to the capital which
	The capitals of the square shafts behind the statues on the          is mere extra loading of the shaft:  As however in
tomb of the San Pietro Martier have an excess of nearly               general when the excess of c d over a a; is great the
the breadth of the shaft on each side in flowing                      lines of resistance fall nearer the extremities of the
leafage:  This is done partly to bring them out from                  capital; it follows that cost per  the L a, a b must be
behind the figures, partly it is new leafage flowing under            less in proportion to this excess;  and that while in a
the angle of the capital in a graceful undulation                     flat capital of small excess such a slope as that in fig 3
adhering to the frieze like a snail turning on its back               opposite I e under 45 is often perfectly admissible it
It is beautiful in its way: but would be quite unfit for              would  e altogether preposterous in the capital of larg
a pure architectural work.                                            excess fig 5 and the specific law will follow that in
                                                                       every capital whose entire excess is more than its
                                                                      shaft diameter, the L a, ab must be less than 135, but
                                                                      when it  entire excess is less than its shaft diameter,
                                                                      the L a, ab may conditionally be greater than 135;
                                                                      but never perhaps properly greater than 140  (consider the
                                                                      effect of the following general rule;  but the width of
                                                                      the abac[s]us

[Version 0.05: May 2008]