Alberti, Leone Battista, Architecture, 1755

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1inaſmuch as they were to be one People joyn­
ing
in the Worſhip of one God, by whom
alone
they were defended and preſerved.
Now
I
cannot approve of either of theſe Particulars:
For
as to the Firſt, it muſt be extremely in­
convenient
to the People, and eſpecially to
thoſe
who frequent the Temples moſt, as the
old
Folks and the Infirm; and the Second muſt
take
very much from the Majeſty of the Struc­
ture
.
As to what I have obſerved in ſome
ſacred
Edifices, built not long before our Time,
to
which you aſcend by a few Steps on the
Outſide
, and afterwards have as many to go
down
again within, I will not abſolutely call it
ridiculous
; but why they ſhould contrive it in
this
Manner, I cannot imagine.
Indeed I would
have
the Plain of the Portico, and ſo of the
whole
Temple, ſomewhat raiſed above the Le­
vel
of the reſt of the Town, which gives the
Fabrick
a great Air of Dignity.
But as in an
Animal
, the Head, the Feet, and every parti­
cular
Member, ſhould be exactly proportioned
to
all the other Members, and to all the reſt
of
the Body; ſo in a Building, and eſpecially
in
a Temple, all the Parts ſhould be made to
correſpond
ſo exactly, that let us conſider which
of
them we pleaſe, it may bear its juſt Propor­
tion
to all the Reſt.
Thus I find that moſt
of
the beſt ancient Architects uſed to take their
Elevation
of the Plain of their Temple, from
the
Breadth of the Temple itſelf, which they
divided
into ſix Parts, giving one of thoſe
Parts
to the Height of the Plain or Mound of
the
Structure.
Others, in larger Temples, raiſ­
ed
it only a ſeventh Part, and in the Biggeſt of
all
, only a ninth.
The Portico, by its Nature,
ſhould
have a continued Wall but of one Side,
and
all the other Sides ſhould be full of large
Apertures
for Paſſage.
Your Buſineſs there­
fore
is to conſider what Kind of Apertures you
would
make uſe of; for Colonades are of two
Sorts
; one where the Columns ſtand wide and
at
a great Diſtance from each other; and the
other
, where they ſtand cloſe and thick.
And
neither
of theſe Sorts is without its Inconveni­
encies
; for in the wide Sort, the Apertures are
ſo
large, that if you would make uſe of an
Architrave
, it is apt to break in the Middle,
and
if you would carry Arches over it, it is no
eaſy
Matter to turn them upon the Heads of
the
Columns.
Where the Columns ſtand cloſe
and
thick, they intercept the View, the Light
and
the Paſſage, and upon this Account, a
third
Manner has been found out, in a Medium
between
the other two, which is called Elegant,
and
avoids the Defects of the others; is more
convenient
and much more approved.
And
with
theſe three Sorts we might have been con­
tented
; but the Diligence of Architects have
added
two other Sorts, which I ſuppoſe may
be
accounted for as follows: Not having a
ſufficient
Number of Columns for the Exten­
ſiveneſs
of their Area, they deviated ſomewhat
from
the laudable Medium, and imitated the
wider
Apertures; and when they happen to
have
Plenty of Columns, they were fond of
ſetting
them cloſer together; whence aroſe five
Sorts
of Intercolumniations, which we may call
by
the Names of Wide, Cloſe, Elegant, Leſs­
wide
, Leſs-cloſe.
I further ſuppoſe it to have
happened
, that the Architects being ſometimes
deſtitute
of long Stones, were obliged to make
their
Columns ſhorter, knowing that this
would
take much from the Beauty of the
Structure
, they ſet a Plinth under their Columns,
in
order to give them their juſt Height; for
they
found by a careful View and Examinati­
on
of other Buildings, that Columns had no
Grace
in a Portico, unleſs a right Proportion
was
obſerved both in their Height and Thick­
neſs
.
This induced them to lay down the fol­
lowing
Rules for this Purpoſe.
The Interco­
lumniation
may be unequal; but the Columns
themſelves
muſt always be exactly equal.
Let
the
Apertures that anſwers to the Door be ſome­
what
wider than the reſt.
Where the Inter­
columniation
is cloſe, make uſe of thinner Co­
lumns
; where it is wide, make uſe of thicker;
thus
always proportioning the Thickneſs of the
Colums
to the Interſpaces, and the Interſpaces
to
the Thickneſs of the Columns, which you
may
do by the following Rules.
In the cloſeſt
Sort
of Colonades, let the Intercolumniation be
never
narrower than one Diameter and a Half
of
the Column; and in the wideſt, let it be
never
broader than three Diameters and three
eighths
.
In the elegant Sort of Colonades you
may
allow two Diameters and a Quarter, in the
Leſs-cloſe
, two; in the Leſs-wide, three.
The
middle
Interſpace in the Colonade ſhould be
ſomewhat
wider than the reſt, and the Ancients
direct
us to give it an Addition of one fourth
Part
: But by an Examination of old Buildings,
I
find that this middle Interſpace was not al­
ways
made according to this Rule; for in the
wide
Colonades, no good Architect ever made
it
a fourth Part wider, but only about a
twelfth
; and herein they acted very prudently,
leſt
an unfaithful Architrave ſhould not be able
to
bear even the Weight of its own Length,

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