[St M.23L] [St M.23] 23
[blank] [landscape orientation]
From the pedestal side to the base of nearest great
porphyry capital 1 “ 5
[diagram]
Now at p.19 the upper [?] plinth
is seen beginning to go round the recess
now m. there is b here [diagram] are the slabs of
marble answering to usual dentil which
from soffits of the outer arch and sub arch
as far as in - about a foot. where the
marble ceases and the vile modern
mosaic begins. The shaded part
is the solid archivolt. its angle
in the base of sub arch, being
very nearly the correspondent with
the angle of the wall pier all
the way down
The wall at a corresponds below with archivolts above
which as
below a b c. leaves ^ always upper their very plinth
Done + vide p. 29
[Version 0.05: May 2008]