Richmond enquirer. [volume] (Richmond, Va.) 1815-1867, 1818-06-12

/ therefore be sufficient TO preciptate the clip
sod on The planet. Thus the two properties
| concur in showing, that the ring turns in its
plane, on itself. aud with rapidIty. The dura-
/ tionof this rotation ought To be nearly that of
| the revolution OF n satellite moving round Sa-
| turn, at the distance of the ring itself; aud this
duration is about ten hours and half DIR.
HerSchel has confirmed this result by his OBJ
servations.
Nj. Humboldt has lately published, at Paris,
work on the r. graphical description of
| plants, according TO the temperature, latitude,
| e. walton OF the soil, &c. He offers some inte-
| resting views with regard to vegetable forms.
On comparing, ia each county, the number of
plants of certain well determined families
with the whole number OF vegetables, he disco
verS numerical ratios of striking regularity.
Certain forms become more common we adj
van towards tie pole. while others augment
towards tue equator. Others attain their
ma iInuu' In the tempe rate zones and diminish
equally by too much heat and too much cold
and, what is remarkable this distribution re.
| ina'ns the same round the old globe, following
not The Biographies, parallels, bat those which
humboldt calls iSothern,ic that is, lines of the
sam H'a Temperature. These laws are so con
slant, that. II we know in country the nv Der
ofspecies ofone OF the families, we may earl
cone udc from il the total number of Plants
anh that OF the spt cIcs of each OF the other ia
miles
NJ. Eatreille b published at Paris. = work
on the distribution IF insects. This is intimate
~ connected with the distribution of plants, a.
mountains OF "A warm country that iuhabit the
p'aius OF colder countries. The difference of ten
or twelve degrees of latitude at an equal
height brings with it particulariusects; & " hen
lhe difference amounts to twenty or twenty
four degrees, almost all the insects are DIFFER
ent There are analogous changes correspond.
ing to the latitude, but at distances much more
considerable. The old and new world have
genera OF insects peculiar 10 each Even those
which are common to both present appreciable
d'herences. In the western parts of Enrope.
tne DOMAIN OF southern insects appears very
nistnctiy, as soon as going from north to south
we come TO a country more favorable to the
cultivation of the olive This change of tenne
raiuFe IS marked by the presence OF scor.
pions.
The art of bleaching seems destined to re.
SeiVe considerable Improvement In paper
lately published by Mr. GAVIN INGLIs. il an.
pears, that if idx he pulled before il is TOO
ripe, that il parts with its colonrinr matter
inuch more readily than it does when Jeff till
Tie usual time and il is also fonud that this
great advantage might again be lost nv inpro
per Watering. Ii has been uniformly tound
tiiat tan the greenest pulled is most proper for
tne ihest purposes, and that the whitest fax
after dryinE must be watered i'm stream co
small, as TO require q dam being necessary tn
receive tile water Into temporary pond 70
cover the flax, The succession OF clean watar
VT ihslS cohceiVes, prevsn,- the deposition
oil cctonr,n@ matter, by washing or CARVING il
away, otter being extracted from the fiiy
WINE The same HaX, from several stanuan}
ponds, dug In the same ground and fiIIe.i ,.ith
Ma i from IN tue same spring, was very dark in
colour Tue colour of the fax after Iyateriu,y
very mu.h, depends upon the foliowipr can,
SEES tile ripeHeSs of the fax before pulling
the Stale of pGtridity of the staynant water
me minerals which the water NAV contain
whether IT IS stepped in "A rond dur. or one
formed by damming small stream or If a
surcesSien OF parcels of flax (which is some
times the case,) be watered in the same nond
"heTe every succeeding parcel must partake
nal m al a.
mentation of the former-In The ronrse nf ~
Is observations, he found the onautity and
soluDiiity OF the cOlouring matter in proportion
10 'he degree 81 'penesS; and in the ripest on
a prlDcipie which he never till then knew tn
nave Az existence i'll fax viz jron-which NAV
ne SAD 10 abound IN pc fax In unriDe aay
me colnurng matter is soluble i'm water but
II me HaA he allowed to stand on the ground
tii IL mas attained rusty brown colour and
the seed he fully ripcned the iuices of tLa
plant are then changed from mucilaye 10 resi-
nous matter, and certainly no longer soluble in
wafer, SO iar as the resin is cOncerned-unless
assisted by solvents. Alkaes are the comtnon
solvents used by bleachers INT Mr. + did not
conceive them altogether ADAPTED To his mr.
pose he !ook alcohol, and in bleach.
ing, 10 d very beautiful whiteness, FAX in It's
nhrIpe state and its early stages hut. as tho
max Fipened, ITS power leSsened He exposed
tulI ripe HaX 10 The action of alcohol hntb m
4 iqnid state and in state of vapour mn ali
the reSuOns matter was extracted: sriII
N Z hp mott
OF an oxymnriate, and was astopished To see
the presence of iron so strongly indicated -
we tofOedF, at present, any remarks on tbese
important observations and experiments but
we tnI"H 'neS must lead to great revolution
IN the present mode of hieaching and do
away, we hope, amongst other incony euiences
me hOSiouS and disgusting effuyia now so |
common IN or near flax ponds throughout the |
Kingdom. Wv
We feel il proper to record great change
winch Is pending in one of the chief arts Of |
setlai ne, the generation, diffusion and econ.
omy OF Heat. Within the last two or three |
years STEAM has been applied to this purpose |
III many manufactures in London and in the |
provinces. The system has so far succeeded |
ana 'laS Deen so varioHsly improved. that There
are III TINS moment III London several candi
yates VINO address different means of general |
ing and dihusns it to public preferences In
consequence, this method Of cfeati,c heal for |
al, domestic purposes, is beg inning 10 he mucb |
adopted. IL Is found, that all the rooms NJ |
nioueIale sizeu mousse may be kept at a tempe |
rate or at higher degree of heat. niplIt and |
day, by the steam generated from q ,ingIe |
boiler OF thirty or forty gallons, worked Inv |
one bushel OF refuse GOALS. We have seen seme
manufacturers III which the steam is carried |
tht0ugh iron pipes around the skirtiug of rho
room, and the purpose of heating very well
eHected. Others convey the steam into tho
hOiiSw sides OF copper cylinder within the
apartment, which cylinder can have any orns.
mental torn given 10 it, The heat in this
case, is generated by the circulation of the cold
AR ihfongh Tue centre of the hollow sided
cNHDder, and in due time the ASCENDING heated |
ar diSpiaces all the cold air Oftbe APARTMENT
here is, on either plan, neither smell nor
elAhyia and no possible danger exists be-
cause the boiler may be worked in any out.
n"ll'ing AZ low pressure, regulated by |
yate ana because the steam is convened in
feeble pipes from the place OF its generation
to IT'S ultimate Destination. Mr.. PoNTIFrx
Tie coPper-sn'iih,o OF shoe-Iane, has constructed
a" apparatus on the latter plan at 40 or & 80 !
cost; but the most magnificent annlicatioD
tbdt we have seen Of the principle is in JVhI.
Greods BTeWery. The public spfited proprie.
tors Of thal gIeat calahlishment nnherr IL |