Edgefield advertiser. [volume] (Edgefield, S.C.) 1836-current, 1841-05-06

lion, which is effected in few days, with
: out either difficulty or labor, is, as will b
readily seen, wholly different from an
means hitherto employed. Previous me
4. thods are we'll known to consist Of forcin,
the ingredients into The pores of the wood
by powerful pressure, or Of; inroducin;
them by the prolonged and imperfect ac
ton oil liquids prepared at much cost, il
; huge watts, in which timber is kept sub
merged.
The new and ingenious process O
: Mons. Boucherie has placed at the com
mand Of industry an immense natural force
which enables it, without cost, to conduct
into the most delicate vegetable tissues all
soluble substances which it may be desira-
BILE 10 deposile there.
If the author has resolved. in simple
and ready manner,the great problem which
he al first proposed, he has not manifested
less sagacityi in his choice OF the substances
which he has adopted for fulfilling all the
| indications announced above.
ITO augment The duration and hard
ness of wood, and to oppose its decay,
either dry or humid, the crude pyrolgnite
of iron is to be introduced into its tissue.
This substance is wisely chosen, because
crude pyrolgneous acid is produced in all
the forests, in The process Of manufacturing
charcoal; and ills easy 10 convert this in
10 the pyrolisnte Of iron, by simply pull
ting il, even when cold, in contact with
scraps of old iron; and because, also, thai
the liquid, thus prepared, contains much
creosolo, which independently of the salt
of iron, itself possesses the property of
hardening, and Of guarding against the at
tacks OF decomposition, as we'll as the de-
struction caused by insects, wood and tim
ber employed in constructions and for other
purposes.
Authentic experiments tried iu the GEL
lars of Bourdeaux, upon hoops, prepared
by The author, have proved, in the most
conclusive manner, the prolonged duration
OF wood, after subsection to his process
The ordinary hoops fell to powder, upon
the least application offorce to them, while
those OF the same age, which had been
subjected 10 his preparation, were as solid
as upon Tho first day they were placed
there.
"lfhe wishes to preserve The elasticity
OF wood, and 10 render it less combustible,
!be author has found in the employment
OF chlorine with an earthly base, the means
of accomplishing these ends. Ever pre-
occupied with The thought that his Disco
uHIYersar Pruct1car aIiJiIratfoT, rrIe aurTIu1- ua-
has not contented himsefwitb the chlurate
ofcalcium, Notwithstanding its great cheap
ness, but he has analyzed the sea wafer
from the pits of the salt works, which is
without value, and by so doing has obtain
ed therefrom all the qualities necessary 10
his purpose. Tie different woods prepar-
ed by his saline solutions preserve their
llexibility, even after several years expo
sure to the air; and thin sheets Of this
wood were twisted into spirals, first in one
direction and then in the contrary one,
without their suffering the slightest fracture
or injury OF any kind. Exposed to the air
these thin pieces were neither split or other
wise injured however dry they became: :
and, finally, they were so far incombusi.
BILE as TO be incapable of sustaining or pro-
pagaling conaagraion.
ITO these highly useful properties, which
the constructors ofships, bridges, dwellings.
&c will readily appreciate, aud turn to
profit, the author has joined others, less i'm
porianr, certainly, but still new, and moi
without interest, in the arts. lie colors
woods in clouds so varied and casual as to
promise much utility, by the employment
Of his method in ornamenting the most or
dinary woods, so as TO fit them for the fab
rication offurniture, and for other purposes
ofornamenla use.
"Ihe specimens Of this kind. now be-
fore The Academy, relieve us from all de-
tails upon this head; and it thorefore suffi-
ces for us 10 say:
THAT the pyrolisnite of iron, alone,
gives very beautiful brown tint;
"That by causing tannin to he absor-
bed by the tree, after the pyrolignite Of
iron, the mass ofIhe Tree is rendered black,
while some portions exhibit tints of blue,
black aud gray;
THAT by Introducing, first, the pyrolig-
mite iron, and afterwards the prusiaie of
Po,assa, fine Prussian blue is produced
"Thal by Introducing successfully. The
acetate of lead and The chromale of potassa,
lemon, or chromale oflead color is produ-
ced;
THAT by introducing into the same
trunk, the pyrolignite of iron, prussiate,
and acetate OF lead, and chromale of potas-
sa, the whole wood assumes series of
clouds Of blue, green, yellow and brown,
which collectively produce the most varied
and pleasing effect.
1.-THE colors and shades may be varied
almost 10 iniuity, according to taste or
fancy as chymislry is sufficiently rich, in
agents ofthis nature, to satisfy the wants,
and even the caprices, oflhe most fastidious.
I'VE have said nothing here, the COM
munication of odors TO woods, by impreg
nations Of this kind, because this is an ap-
plica,ion easily comprehended without cx-
planalion and also because it is too strict
ly limited 10 the demands Of luxury to be
placed in the same scale of importance
with the valuable results which we have
above enumerated.
"It is evident, from the bare announce