[M.20L]                                                               [M.20]
                                                                      No 3	Verona.  Duomo.	20
                                                                      
                                                                      Verona. Duomo. Interior.  Interesting from its simplicity and grandeur of
                                                                      Vaulting		plan;  but full of error in the principles which are so
                                                                      		grandly worked out:  It is a simple line of grand
                                                                      		nave arches:  nearly as wide as the shafts are high: pointed
                                                                      		so obtusely that I at first thought they had been inscribed
a (rt line) 4½, b (curve) 10½ c (rt line) 2½                          		in half circles:  They are however somewhat higher;  The
e (curve) 7¾ f (rt line) 3 or 3¼                                      		arrangement of the shafts given in No 3 Fig 1 and
                                                                      		a quadrant of section of pier, Fig 2.  The measures of its
                                                                      		lines are (inches) a, (rt line) 4½ b (curve) 10½ c (rt line)
                                                                      		3½ d (rt line) 2½, e (curve) 7¾ f rt line 3 or 3¼.
                                                                      		The shape of e-f is very curious, it certainly does not come
                                                                      		out to the level of c;  and e is not quite a segment of a
                                                                      		circle;  but, in order to give effect to the truncation f;
                                                                      		 it is brought nearly straight at the angle:  (and so b with
                                                                      		a) while both a and f are if any thing, concaved a little
                                                                      		at the angle, to mark it more.  Fig 4 was drawn as nearly
                                                                      		as possible parallel and equal to e and f.  A being the angle of
                                                                      		c on d.
                                                                      		Now of this section, the face shaft a b with its two edge shafts
                                                                      		f h is carried clear through the capital & forms the vaulting
                                                                      		shaft in fig 1 of which a b carries the sub arch of the
                                                                      		nave, and f h the cross ribs, which are rolls of bay leaves
                                                                      Bay leaf roll.	like those on the doors of the period - Note this application

[Version 0.05: May 2008]