New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1848-12-04
SCIENCE.
I,,erestius Scientific InteIligence....So. *.
Cleaned for The Tribune from the Latest Sources

tn. Porer Of Electro Light.-Mr. w. X
static inventor Of patented Electric Light has made
some exceedingly Interesting and valuable experiments
at the Hanovsr square Rooms, London. 20 prove the
power and efficacy OF bis discovery The L0Hd0H Posi
gives the following particulars The results were ss
favorable could be wished aud certainly surpassed
the expectations OF most Of those assembled 70 "i-s
them The ligh, resembles spark Of the most PM
liant End vivid are, about the size or rather 'es ~
the burner OF common srgsnd lamp. mere - no
combustion nor will il produce combustion ~ coming
IN contact with cOmbasole subsiances Inc power Is
Immense resembling day or sun nsht ano oDscuflhg
the light of candles 10 the manner that rave OF daylight
obscure them. The great room was Illuminated BY the
ooers,ion The ught is generated or produced by a
battery OF ~ plates OF the dimensions OF il square
vards IL Is understood 10 be selireguating and 10
he 40 cheap any person can AFFORD W pay Tor 1t
The application Of this invention 70 the Of gnt-
houses was partly discussed, and lie advantages set
forth.
lectures bis discovery, whereby the scientific public
viii be afforded opportunity Of fuller and more
complete and explanation and can form their own
opinions accordingly
An interesting Scientific acquisition has just
been made In Europe, says "Gsignani" by ~ An.
draud the ngneer so well known by his works and
experiments compressed air At the shop OF deal
or In secondhand srticles, be discovered and pur
chased the eec,riiying machine stn, after lapse Of
nearly 80 yesrs In excellent state Of preservation OF
Benjamin Franklin which is supposed to have been
made At Philadelphia.
A GroUe of Wafer- SD0nts.-The C0mbrlaH, a
Scottish journal, gives a picturesque description Of q
grove OF watefspouts that witnessed the
morning of the 18Th October in the Bristol Channel
81 miles westward Of the Lundy." The morning had
been fine. with light variable wind, principally from
the sOsthwsrd Between the hours OF 10 and II, dark
clouds were perceived gathering In the northwest
and assuming the form Of an arch, the rest Of the
heavens being beautifully clear In very short time
two water spcuts began 10 form and In the course OF
ten minutes one of them dropped and began d
suck up the water, and ia another ten minutes
the second spout did likewise. BY this time
two thirds Of the sky were dsrkened, and In hall
an hour afterwsrd no less than nine other perfect
spouts descended Three or four were playing around
the cutter about the distance Of half mile the re
nsinder appeared to be some two miles of. The
water wss first drawn in heap, aud became greatly
sgitsted like boiling pot or cloud OF sprsy Of
whitish. gray color. IL was then distinctly 70
ascend In column presenting the appearance OF light
smoke passing up through glass tube. They cOntnu-
their operations for two hours when they vanished
and the wind fell suddenly calm, which continued until
6P. NJ when breeze sprsng up from the north east
During the phenomenon which was mOst grand and
Imposing, the cutter taken aback, the wind light
and veering all round tho compass.
Nsr Method Of SIreYiRP GIdS.-Thc London
ItheneHm states that Mr. Drayton Of Regent Lon.
don has discovered new process OF silyering glass
which will entirely eclipse the old and injurious. ds-
tory method OF siyerng by means Of mercury and Tin
Nor is this the only advantage The sverngis richer In
s texture than that producedby the old process ana II
may be touched by the hoser and yet remain unfair
nished. This mp0riantimproyementi is produced by 3
solution Of nitrate of silver in water and spirit mixed
With ammonia and the oils of cassia and of cloves
Some Of the gsss thus svered pronounced extreme
~ beautiful
Nee Process TO Color Stone aud 10 make n Hard
oad Imy0msabL.--This is a recent French invention
says the SctsnfEo AMERICAN to make porous stone i'm
permesblc 20 moisture and also 10 color II In any way
desired. Whether this is the stone used In Paris for
printing on the common press not Is not stated al
though Ii IL what reasonable suppose that il
hgure 10 drawn upon porous stone with a tslow cray
and then the rest Of the stone bit down with sui
phuric acid leave the lines clear then hardened
follows, II would print well on the common press.
When the stone IL wanted dark color solution is
made OF IS parts tar 10 parts bitumen and parts tai
low with small portion of hnseed oil These ingredi.
ents are put ia a suitable vessel and boiled the pa
tentee prefers using boiler with cover, Ia which
pipe 10 Inserted by which the eprit and liberated
the solution boils, the stone 10 placed suitable
frame Oor greater convenience,) and lowered by a
small crane into the boiling solution
When the stone has 10 be soaked through, II will re.
quire to bo left In the boiling solution from TO AZ
hours according 10 size but II Il is required that the
solution should penetrate one inch two hours INNER.
sion will be sufficient for two inches four hours and
for four inches eight hours but the time required will
vary with different kinds OF stone-some are of that
porous nature, that the surface will not become filed
up after long continued boiling in this case mix
with portion of the solution compound of carbonate
lime rust or iron, granite. and potters clay In hne
powder Tho stone should be allowed to cool and the
mixture then applied 20 the surface with hot iron
other convenient means.
AZ to the color When IT 10 required that the None
should be of light color. instead of employing
the base Of the solution resin Is used in combination
with turpcntine snd ohcr oils and all kinds OF gum
the solution applied In the above.
This discovery Is now the subject of foreign Patent
TO Francois Teychene, OF London. Its value is un
douhtedly