Alberti, Leone Battista, Architecture, 1755
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1be a Reſt, according to the Rules already given
for the Baſilique, and no Part of the Dreſs of
theſe Windows muſt riſe higher than the Shaft
of the Columns between which they ſtand,
excluſive of their Capitals.
The Height of the
Aperture of the Window being divided into
cleven Parts, ſeven muſt be given to its Breadth.
If you would have no upper Row of Columns
at all, then you may ſupport the upper Cornice
with Conſoles, inſtead of Capitals, according to
the Method already given in the Deſcription of
the Ionic Door. Then each Window will ſtand
between two Conſoles made after the following
Proportions.
The Breadth of the Conſole muſt
be the ſame as the Top of the naked Shaft of
a Column in the ſame Place ought to be, exclu­
ſive of the Aſtragal and Fillet, and its Length
equal to the Height of the Corinthian Capital
without its Abacus.
The Projecture of the
Conſole muſt not exceed that of the Freze of
its Entablature.
The Ancients in a great many
Places had ſeveral other Kinds of Structures and
Inventions which admitted of Ornaments, and
rendered the City more magnificent.
We are
told, that near the Academy of Athens there
was a very fine Grove conſecrated to the Gods,
which was cut down by Sylla in order for the
caſting up an Intrenchment againſt Athens.
Alexander Severus adorned his own Thermes,
or Baths, with a pleaſant Grove, and added to
thoſe of Antoninus ſeveral fine Lakes for Swim­
ming in.
The Agrigentines, upon Zelo's Vic­
tory againſt the Chalcedonians made ſuch a Lake
ſeven Furlongs long and twenty Cubits deep,
from which they raiſed a conſiderable Income.
We read, that at Tivoli there was a very famous
publick Library. Piſiſtratus was the firſt that
erected ſuch a Library at Aihens, conſiſting of
a great Number of Books, which were carried
away by Xerxes into Perſia, and afterwards
brought back again to Athens by Seleucus. The
Ptolomeys King of Ægypt had a Library con­
ſiſting of ſeven hundred thouſand Volumns;
but why ſhould we wonder at ſuch a Number
of Books in a publick Collection, when there
was no leſs than ſixty-two thouſand Volumns
in the particular Library of the Gordians? In
the Country of Laodicea, beſides the Temple
of Nemeſis, there was a noble Phyſick School,
erected by Zeuxis, which was highly celebrat­
ed. Appian tells us, that at Carthage there
was a Stable of three hundred Elephants, and
another of hundred Horſes, an Arſenal for two
hundred and twenty Ships, together with other
Magazines both of Arms and Proviſions ſuffi­
cient to ſupply a whole Army.
At Thebes,
which was anciently called the City of the Sun,
we read, that there were no leſs than an hundred
publick Stables, each big enough to hold two
hundred Horſes.
In Cizycus, an Iſland of the
Propontis, there were two Ports, and between
them an Arſenal, the Roofs of which would
give Shelter to two hundred Veſſels.
Upon
the Pireum, or Port of Athens, was a noble
Station for no leſs than four hundred Ships,
which was the celebrated Work of Philo. Di­
onyſius, at the Haven of Syracuſe, made an
Arſenal divided into an hundred and ſixty Par­
titions, each whereof would contain two Veſ­
ſels, together with a Magazine, which in a few
Days would furniſh above an hundred and
twenty thouſand Shields, and an incredible
Number of Swords.
At Sithicus the Spartans
had an Arſenal of above an hundred and ſixty
Furlongs long.
Thus we find Variety of Struc­
tures among various Nations: But as to their
particular Forms, Deſigns and Contrivances, I
have nothing certain to preſcribe, except that
thoſe Parts of them which are for Uſe, muſt be
borrowed from the Rules of private Edifices,
and thoſe which are for Ornament and Magni­
ficence, from thoſe of publick ones.
I ſhall
only obſerve, that the principal Ornament of a
Library, is the Number and Variety of the
Books contained in it, and chiefly their being
collected from among the learned Remains of
Antiquity.
Another great Ornament, are cu­
rious mathematical Inſtruments of all Sorts,
eſpecially if they are like that made by Poſdo­
nius, in which all the ſeven Planets performed
their proper Revolutions by their own Motion;
or that of Ariſtarchus, who we are told de­
ſcribed a Plan of the whole World, with all its
ſeveral Provinces, upon a Table of Iron, to a
moſt curious Exactneſs, and the Buſts of the
ancient Poets, which Tiberius placed in his Li­
brary, were certainly a very proper and beau­
tiful Ornament.
I think I have now gone
through with all the Ornaments that relate to
publick Edifices.
I have treated both of the
Sacred and of the Profane, of Temples, Baſili­
ques, Porticoes, Sepulchres, Highways, Ha­
vens, Squares, Bridges, Triumphal Arches,
Theatres, Circuſſes, Courts, Council-chambers,
publick Places for Exerciſe, and the like, ſo
that there ſeems nothing of this Nature now
left for me to ſpeak of, except it be Thermes
or publick Baths.

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