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[M.189L] [M.189]
Measures of No 128. No 128 St Marks. Basic Plinth 189
a - b 9 " 10
b - r 2 " 9 This properly should be stated, not as St Marks Facade: The first elevation above the pavement is
b - c 12 " 5 b r but on a line from Y perp on a b a grand basic plinth, raised about a foot above the
c - c3 4 " 11 or 5 ft not very easily marked off from pavement according to its swell more or less: and forming
the curve: it is the stilt of the arch on the ground the floor of all the recesses except those {of the} central and
c3 d (-) 7 " 8 And the depth of the curve c3 d from this northern doors. It is divided into long panels in
chord; 11 in. about the proportion of fig 1 p 44 l door book, and
d - g 9 " 6¾ of section a a2 fig 2 the panel has being in red marble
d - e 2 " 0 and the enclosed flat in white let in to the depth a2 b
c - h 16 " 3 The masonry of this {red} panneling is very curious:
C - x 13 " 8¼ The top of this basement is diamonded with red & white
h - k 39 " 0 and the plan of it is on No 128. In which r is
k - l (-) 13 " 4½ For notes on this curve vid below. the great detached shaft, or at back its circular base
l - m 2 "10½ towards the piazzetta de' Lioni c h is the opening to
k - o 27 " 4 side Atrium k o the principal door, the plinth
l - n 11 " 2 being continuous under the others.
l k2 10 " 8½ roughly: the pavement irregular r then being nearest point of the lowest member of the
o - q 62 " 1 base of the detached shaft: which singularly enough is
The whole breadth of the front of the plinth therefore is 12 " 5 cylindrical: the measures of the whole are opposite
+ 16 " 3 The most remarkable feature of the whole is the curious
+ 39 " 0 and delicate curve whose chord is k2: That chord
+ 27 " 4 being 13 " 4½ the {maximum} vertical depth of the curve from
62 " 1 it is 1 " 0½: but the curve is not a circle; it
or 157 " 1 has a parabolic or hyperbolic form: and may only be
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[Version 0.05: May 2008]