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[M.42L] [M.42] Ca d’Oro. Traceries. first story. 42
A [diagram]
No 15. Fig 1. Accurate drawing of the meeting of the
in rolls in the tracery of the great first floor colonnade of
d-e [diagram] 3½ Ca d’Oro: The foliation with the great roll of first order
e f ¾ is very singular: the stone cutting thorough and masterly:
f g [diagram] 3¾ the roll appears narrowed when it branches, owing to the
g h ¾ sharp marking of the shallow interstice points: but it is
h k [diagram] 2½ quite true & parallel throughout, and the lines continuous
k l ¼ in each direction: (By the bye in the lateral windows, No 17
l m ½ 18 &c I in vain tried to find the centres of arcs: they
m n ¼ were continually changing:) The section given beside
n o cusp 2¼ fig 1 is inaccurate in the cavetto: it is accurate opposite
with measures A. The capital abacus is square: about 1ft " 7
B [diagram] each side; the capitals luxuriant in the doge’s palace
manner and I suspect, later than moulding.
Ft. in Ft. in at B. opposite are the measures of the trefoil arch of tracery
a b (chord) 1 " 5½ 1 " 6 drawn in fig 1 No 15. and similarly lettered: These
b d 1 " 1¾ 1 " 2½ measures are from within the cusp, across space.
b c (chord) 1 " 3¼ 1 " 4 The second column of measures was measured from another arch and
b2 d2 (maximum) 1 " 3 1 " 4 is probably the most accurate.
c C 2 4¾ 2 " 5 At C. opposite are the measures of the great 4 foil of this
a e 2 " 9¾ 2 " 9½ same tracery: a b &c being the inner side of the great
roll, and a2 b2 &c the extremities of cusps.
C [diagram] Note also in constructing the tracery that the foliation with the
a b 2 " 1¼
c d 3 " 8½
a2 b2 1 " 2½
c2 d2 2 " 9
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[Version 0.05: May 2008]