Alberti, Leone Battista, Architecture, 1755

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OF this laſt Sort we are now to treat, and its
Members
are as follows: Inſtead of a Baſement
there
are ſeveral Steps riſing above the Level
of
the Platform, over theſe a ſquare Plinth, and
above
that another not leſs than the firſt.
In
the
third Place came the Baſe of the Column,
then
the Column with its Capital, and laſt of
all
the Statue ſtanding upon a Plinth.
Some
between
the firſt and ſecond Plinths under the
Baſe
placed a Sort of Die to raiſe the Work
higher
, and give it the greater Air of Majeſty.
The Proportions of all theſe Members are taken
from
the Diameter of the Bottom of the Shaft,
as
we obſerved with Relation to the Columns
of
the Temples; but the Baſe, in this Caſe
where
the Superſtructure is to be ſo very large,
muſt
have but one Torus, and not ſeveral like
common
Columns.
The whole Thickneſs of
the
Baſe therefore muſt be divided into five
Parts
, two of which muſt be given to the To­
rus
, and three to the Plinth.
The Meaſure of
the
Plinth every Way muſt be one Diameter
and
a Quarter of the Shaft of the Column.
The
Pedeſtal
on which this Baſe lies muſt have the
following
Parts.
The uppermoſt Member in
this
, and indeed all other Ornaments, muſt be
a
Cymatium, and the lowermoſt a Plinth, which,
whether
it be in the Nature of Steps, or of a
Cyma
either upright or reverſed, is properly the
Baſe
of each Member.
But we have ſome few
Things
relating to Pedeſtals to take Notice of,
which
we purpoſely omitted in the laſt Book,
in
order to conſider them here.
We obſerved
that
it was uſual to run up a continued low
Wall
under all the Columns, in order to ſup­
port
them; but then to make the Paſſage more
clear
and open, it was common to remove that
Part
of this Wall which lay between the Co­
lumns
, and to leave only that Part which was
really
neceſſary to the Support of the Column.
This Part of the Wall thus left I call the Pede­
ſtal
.
The Ornament of this Pedeſtal at the
Top
was a Cymatium, either upright or reverſ­
ed
, or ſomething of the ſame Nature, which
was
anſwerd at the Bottom by a Plinth.
Theſe
two
Ornaments went clear round the Pedeſtal.
The Cymatium was the fifth Part of the
Height
of the whole Pedeſtal, or elſe the ſixth;
and
the Body of the Pedeſtal was never leſs in
Thickneſs
than the Diameter of the Bottom of
the
Shaft, that the Plinth of the Baſe might not
lie
upon a Void.
Some, in order to ſtrengthen
the
Work yet more, made the Pedeſtal broader
than
the Plinth of the Baſe, by an eighth Part of
that
Plinth.
Laſtly, the Height of the Pede­
ſtal
, beſides its Cymatium and Plinth, was either
equal
to its Breadth, or a fifth Part more: And
this
I find to have been the Ordonnance of the
Pedeſtal
under the Columns uſed by the moſt
excellent
Workmen.
But to return to the Co­
lumn
.
Under the Baſe of the Column we are
to
place the Pedeſtal, anſwering duly to the
Proportions
of the Baſe in the Manner juſt now
mentioned
.
This Pedeſtal muſt be crowned
with
an entire Cornice, which is moſt uſually
of
the Ionic Order; the Members of which you
may
remember to be as follows: The firſt and
loweſt
Member is a Cymatium, then a Denticle,
next
an Ovolo, with a ſmall Baguette and a
Fillet
.
Under this Pedeſtal is placed another
anſwerable
to the former in every Member, and
of
ſuch a Proportion that no Part of the Super­
ſtructure
may lie over a Void; but to this Pe­
deſtal
we muſt aſcend from the Level of the
Ground
by three or five Steps, unequal both in
their
Height and Breadth; and theſe Stepts all
together
muſt not be higher than a fourth, nor
lower
than a ſixth Part of the Height of the
Pedeſtal
which ſtands upon them.
In this lower
Pedeſtal
we make a Door dreſſed after the Man­
ner
of the Doric or Ionic Order, according to
the
Rules already laid down for the Doors of
Temples
.
In the upper Pedeſtal we place our
Inſcriptions
or carve Trophies.
If we make

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