131					99
                                                                      
                                                                      			   No 75.  DUCAL PALACE  BALCONY to FRONT.
                                                                      		I have yet seen of ridge tracery: its section marked at A
                                                                      is exquisitely cut - as sharp as marble can be - and
                                                                      as even as the whirl of a ball:  but the hollow of the cusp
                                                                      is very rudely cut, and rough, as of no consequence.  Note
                                                                      the head of the foliation is not part of a circle but deep
                                                                      horseshoe - elliptical downwards or rather a stilted
                                                                      circle:  the top of it touches - sometimes even sweeps a
                                                                      little into - the base of the ridge.  The symitar shaped
                                                                      cusp is very beautiful.  Fig 1 section through small rose
                                                                      with the ridges at side of it;  showing the mere incisions
		Fi[g]g 2 No 74.  is inaccurate in the red section, which may        which form it:  This ball rose is only on the outside of
serve to show how much  my eye deceives me in drawing                 the balcony - inside, the     space is left flat as at B.
mouldings - always too large, unless adjusted. fitting the            Fig 2 section of bar between two 4 foils, but vid account
paper to the marble I found fig 2 C: the true section                 of No 100.
between two 4 foils inside and fig 2 D outside C2 in C’s              Fig 3   profile of vertical rose, across:  the real size
the joint towards the white marble (as at M2 4 in the                 - a b accurately measured, width of cusp, falling on it
large, drawn by the eye) and the joint at dc or e f or hl             a c - b d - of the ridge, as seen below - c2 d2 which is a
or i m in fig 3 of No 100 and it is the edge of the other             section of the tracery bar falling on it.  The two strong
4 foil at x in the same figure.                                       lines M M are the joints where the red marble of the
D fig 2 No 74 is the correspondent outside section and                foliation is set between the white of its cornices.
in my calculations made fig 3  No L00 I should have said,                       No 75.  Tracery of the 4 foil of No 74 traced actually on
escess b on a in D: which however, is,(I doubt not)                   the stone:  the line being the sharp top of the ridge.
the same.  Vid also p 115 and No 101.

[Version 0.05: May 2008]