Alberti, Leone Battista
,
Architecture
,
1755
Text
Text Image
Image
XML
Thumbnail overview
Document information
None
Concordance
Figures
Thumbnails
Page concordance
<
1 - 30
31 - 60
61 - 90
91 - 120
121 - 150
151 - 180
181 - 210
211 - 240
241 - 270
271 - 300
301 - 320
>
Scan
Original
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
<
1 - 30
31 - 60
61 - 90
91 - 120
121 - 150
151 - 180
181 - 210
211 - 240
241 - 270
271 - 300
301 - 320
>
page
|<
<
of 320
>
>|
<
archimedes
>
<
text
>
<
body
>
<
chap
>
<
p
type
="
caption
">
<
s
>
<
pb
xlink:href
="
003/01/187.jpg
"
pagenum
="
148
"/>
may ſuffice for thoſe Colonades which are to
<
lb
/>
be covered with Architraves; of thoſe which are
<
lb
/>
to ſupport Arches we ſhall ſpeak by and by,
<
lb
/>
when we come to treat of the Baſilique. </
s
>
<
s
>There
<
lb
/>
are only ſome few Particulars more relating to
<
lb
/>
Colonades of this Sort, which ought by no
<
lb
/>
Means to be omitted. </
s
>
<
s
>It is certain that a Co
<
lb
/>
lumn which ſtands in the open Air, always
<
lb
/>
ſeems ſmaller than one that is under Cover, and
<
lb
/>
the more Flutings there are in its Shaft, the
<
lb
/>
Thicker it will appear. </
s
>
<
s
>For this Reaſon we
<
lb
/>
are adviſed either to make thoſe fluted Co
<
lb
/>
lumns that ſtand in the open Air ſomewhat
<
lb
/>
thicker, or elſe to encreaſe the Number of the
<
lb
/>
<
arrow.to.target
n
="
marg29
"/>
<
lb
/>
Channels. </
s
>
<
s
>Theſe Channels are made either
<
lb
/>
direct along the Shaft, or elſe run ſpiral about
<
lb
/>
it. </
s
>
<
s
>The
<
emph
type
="
italics
"/>
Dorians
<
emph.end
type
="
italics
"/>
made them direct along the
<
lb
/>
Shaft. </
s
>
<
s
>Theſe Channels are called by Archi
<
lb
/>
tects Striæ, and among the
<
emph
type
="
italics
"/>
Dorians
<
emph.end
type
="
italics
"/>
they were
<
lb
/>
in Number Twenty. </
s
>
<
s
>Others made Twenty
<
lb
/>
four. </
s
>
<
s
>Others ſeparated theſe Channels by ſmall
<
lb
/>
Liſts, which were never more than a third, nor
<
lb
/>
leſs than a fourth Part of the Groove of the
<
lb
/>
Fluting, and theſe Flutings were a ſemi-circu
<
lb
/>
lar Concave. </
s
>
<
s
>In the
<
emph
type
="
italics
"/>
Doric
<
emph.end
type
="
italics
"/>
Order the Flut
<
lb
/>
ings are plain without any Liſt, with very little
<
lb
/>
hollow, or at moſt but the Quarter of a Circle,
<
lb
/>
terminating the Channels in an Angle. </
s
>
<
s
>For
<
lb
/>
the lower third Part of the Shaft of the Co
<
lb
/>
lumn, they generally filled their Flutings with
<
lb
/>
a Cable, to make the Column ſtronger, and
<
lb
/>
leſs liable to Injuries. </
s
>
<
s
>Thoſe Flutings which
<
lb
/>
run direct along the Shaft, make the Column
<
lb
/>
appear to the Eye of the Beholder thicker than
<
lb
/>
it really is. </
s
>
<
s
>Thoſe Channels that run ſpiral
<
lb
/>
about the Shaft, vary it too; but the leſs they
<
lb
/>
ſwerve from the Perpendicular of the Column,
<
lb
/>
the Thicker the Column will appear. </
s
>
<
s
>They
<
lb
/>
muſt round clear round the Column never
<
lb
/>
more than three Times, nor ever make leſs than
<
lb
/>
one compleat Revolution. </
s
>
<
s
>Whatever Flutings
<
lb
/>
you make, they muſt always run from the Bot
<
lb
/>
tom to the Top of the Shaft in even and con
<
lb
/>
tinued Lines, with an equal Hollow all the
<
lb
/>
Way. </
s
>
<
s
>The Sides of the Builder's Square will
<
lb
/>
ſerve us as a Guide for making our Channels.
<
lb
/>
</
s
>
<
s
>There is a mathematical Line, which being
<
lb
/>
drawn from any certain Point of the Circum
<
lb
/>
ference of a Semi-circle to the End of its Dia
<
lb
/>
meter is called a right Angle, which is the ſame
<
lb
/>
as the Builder's Square. </
s
>
<
s
>Having then marked
<
lb
/>
out the Sides of your Flutings, ſink them ſo
<
lb
/>
deep in the Middle, that the Angle of your
<
lb
/>
Square may touch the Bottom and its two Sides
<
lb
/>
of the Lips of them at the ſame Time. </
s
>
<
s
>At
<
lb
/>
each End of the Shaft of a fluted Column, you
<
lb
/>
muſt leave a proper Diſtance plain between the
<
lb
/>
Channels and the Cincture at one End, and
<
lb
/>
the Aſtragal at the other. </
s
>
<
s
>We are told, that
<
lb
/>
all round the Temple of
<
emph
type
="
italics
"/>
Memphis
<
emph.end
type
="
italics
"/>
, inſtead of
<
lb
/>
Columns, they made uſe of Coloſſal Statues
<
lb
/>
eighteen Foot high. </
s
>
<
s
>In other Places they had
<
lb
/>
wreathed Columns twiſted round with Ten
<
lb
/>
drils and Vine-leaves carved in Relief, and
<
lb
/>
with the Figures of little Birds here and there
<
lb
/>
interſperſed. </
s
>
<
s
>But the plain Column is much
<
lb
/>
more agreeable to the Majeſty of a Temple.
<
lb
/>
</
s
>
<
s
>There are certain Dimentions which are great
<
lb
/>
Helps to the Workmen in the placing of their
<
lb
/>
Columns, and theſe are taken from the Num
<
lb
/>
ber of the Columns themſelves that are to be
<
lb
/>
<
arrow.to.target
n
="
marg30
"/>
<
lb
/>
uſed in the Structure. </
s
>
<
s
>Thus, for Inſtance, to
<
lb
/>
begin with the
<
emph
type
="
italics
"/>
Dorians
<
emph.end
type
="
italics
"/>
; when they had four
<
lb
/>
Columns for the Front of their Building, they
<
lb
/>
divided the Front of the Platform into ſeven
<
lb
/>
and-twenty Parts. </
s
>
<
s
>If they had ſix Columns,
<
lb
/>
they divided it into one-and-forty, and if eight
<
lb
/>
into ſix-and-fifty, and of theſe Parts they al
<
lb
/>
lowed two for the Thickneſs of each Column.
<
lb
/>
<
arrow.to.target
n
="
marg31
"/>
<
lb
/>
But in
<
emph
type
="
italics
"/>
Ionic
<
emph.end
type
="
italics
"/>
Structures where four Columns are
<
lb
/>
to be uſed, the Front of the Platform muſt be
<
lb
/>
divided into eleven Parts and a half; where
<
lb
/>
theſe are to be ſix, into eighteen, and where
<
lb
/>
eight, into four-and-twenty and a half; whereof
<
lb
/>
only one Part muſt be given to the Thickneſs
<
lb
/>
of each Column.</
s
>
</
p
>
<
p
type
="
margin
">
<
s
>
<
margin.target
id
="
marg27
"/>
*</
s
>
</
p
>
<
p
type
="
margin
">
<
s
>
<
margin.target
id
="
marg28
"/>
*</
s
>
</
p
>
<
p
type
="
margin
">
<
s
>
<
margin.target
id
="
marg29
"/>
*</
s
>
</
p
>
<
p
type
="
margin
">
<
s
>
<
margin.target
id
="
marg30
"/>
*</
s
>
</
p
>
<
p
type
="
margin
">
<
s
>
<
margin.target
id
="
marg31
"/>
*</
s
>
</
p
>
<
p
type
="
head
">
<
s
>CHAP. X.</
s
>
</
p
>
<
p
type
="
head
">
<
s
>
<
emph
type
="
italics
"/>
Of the Pavement of the Temple and its inner Area, of the Place for the Al
<
lb
/>
tar, and of the Walls and their Ornaments.
<
emph.end
type
="
italics
"/>
</
s
>
</
p
>
<
p
type
="
main
">
<
s
>It is the moſt approved Taſte to aſcend to
<
lb
/>
the Floor of the Temple and to the inner
<
lb
/>
Area by ſome Number of Steps, and to have
<
lb
/>
the Place where the Altar is to be fixed, raiſed
<
lb
/>
higher than the Reſt. </
s
>
<
s
>The Apertures and En
<
lb
/>
trance to the Chapels on the Sides were ſome
<
lb
/>
times left quite open without any Incloſure
<
lb
/>
whatſoever, and ſometimes ſhut in with two
<
lb
/>
</
s
>
</
p
>
</
chap
>
</
body
>
</
text
>
</
archimedes
>