Alberti, Leone Battista, Architecture, 1755

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CHAP. VI.
Theophraſtus thinks that Timber is not dry
enough
for the making of Planks, eſpeci­
ally
for Doors, in leſs than three Years.
The
Trees
of moſt Uſe for Building were reckoned
to
be theſe; the Holm, and all other Sorts of
Oaks
, the Beech, the Poplar, the Linden, the
Willow
, the Alder, the Aſh, the Pine, the Cy­
preſs
, the Olive, both Wild and Garden, the
Cheſnut
, the Larch Tree, the Box, the Cedar,
the
Ebony, and even the Vine: But all theſe
are
various in their Natures, and therefore muſt
be
applied to various Uſes.
Some are better
than
others to be expoſed without Doors,
others
muſt be uſed within; ſome delight in
the
open Air, others harden in the Water, and
will
endure almoſt for ever under Ground;
ſome
are good to make nice Boards, and for
Sculptures
, and all Manner of Joyner's Work;
ſome
for Beams and Rafters; others are ſtronger
for
ſupporting open Terraſſes, and Coverings;
and
the Alder, for Piles to make a Foundation
in
a River or marſhy Ground, exceeds all other
Trees
, and bears the Wet incomparably well,
but
will not laſt at all in the Air or Sun.
On
the
contrary, the Beech will not endure the
Wet
at all.
The Elm, ſet in the open Air,
hardens
extremely; but elſe it ſplits and will
not
laſt.
The Pitch Tree and Pine, if buried
under
Ground, are wonderfully durable.
But
the
Oak, being hard, cloſe, and nervous, and
of
the ſmalleſt Pores, not admitting any Moiſ­
ture
, is the propereſt of any for all Manner of
Works
under Ground, capable of ſupporting
the
greateſt Weights, and is the ſtrongeſt of
Columns
.
But though Nature has endued it
with
ſo much Hardneſs that it cannot be bored
unleſs
it be ſoaked, yet above Ground it is
reckoned
inconſtant, and to warp and grow
unmanageable
, and in the Sea-water quickly
rots
; which does not happen to the Olive, nor
Holm
Oak, nor Wild Olive, though in other
Things
they agree with the Oak.
The Maſt­
Holm
never conſumes with Age, becauſe it's
Inſide
is juicy, and as it were always green.
The Beech likewiſe and the Cheſnut do not
rot
in the Water, and are reckoned among the
principal
Trees for Works under Ground.
The
Cork
Tree alſo, and the wild Pine, the Mul­
berry
, the Maple, and the Elm are not amiſs
for
Columns. Theophraſtus recommends the
Negropont Nut Tree for Beams and Rafters,
becauſe
before it breaks it gives Notice by a
Crack
, which formerly ſaved the Lives of a
great
many People, who, upon the falling of
the
publick Baths at Andros, by Means of that
Warning
had Time to make their Eſcape.
But
the
Fir is much the Beſt for that Uſe; for as it
is
one of the Biggeſt and Thickeſt of Trees, ſo
it
is endued with a natural Stiffneſs, that will
not
eaſily give way to the Weight that is laid
upon
it, but ſtands firm and never yields.
Add
beſides
, that it is eaſy to work, and does not
lie
too heavy upon the Wall.
In ſhort, many
Perfections
, and Uſes, and great Praiſes are aſ­
cribed
to this ſingle Wood; nevertheleſs we
cannot
diſown that it has one Fault, which is,
that
it is too apt to catch Fire.
Not inferior
to
this for Roofs, is the Cypreſs, a Tree, in
many
other Reſpects ſo uſeful, that it claims a
principal
Rank among the moſt excellent.
The
Ancients
reckoned it as one of the Beſt, and
not
inferior to Cedar or Ebony.
In India the
Cypreſs
is valued almoſt equal with the Spice
Trees
, and with good Reaſon; for whatever
Praiſes
may be beſtowed upon the Ammony or
Cirenaic
Field Pine, which Theophraſtus ſays is
everlaſting
, yet if you conſult either Smell,
Beauty
, Strength, Bigneſs, Straitneſs, or Du­
ration
, or all theſe together, what Tree can you
put
in Competition with the Cypreſs?
It is

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