New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1868-01-24
SCIENCE.
BLACK pEPPER.-The blaCk-pepper tree mas
been brought TO bearing maturity in California

BLACK PEPPER.-The black-pepper tree mas
been brought to bearing maturity IN California
VOLCANIC FLAMEs.-Janssen, by sspectroscopee
analysis has found that the hanes OF tae VOLCANO at
gen. copper, chlorine. and CARBON
MOTHER OF PEARL CARDs.-The sale Of these
beautiful visiting cards has been forbidden by the l,
chemical analysis that they contain soluble salt OF lead
which being poisonous and sweet would be dangerous III
the hands OF children
RECOVERING INDIGO FROM RAGs.-A French
inventors process consists in placing rags IN boiler pro
vided with double bottom and sauratng them WIN
Baune The rags then subjected to the action OF
steam at IS pounds pressure TO reduce and asoS
luton and collected in pure state
IODINE AND Picnic ACID.-Dr. Percy Bout BOUT
ton has removed the objection TO the external ~ the
diseooratiOn Of the skim by adding to II lev i'm
OF carbOlc picnic acid, one OF the most orss
fec'ng agents now known TINS lniNIu.pS ore throat
and is said 10 be sovereign remedy for the so'e 'n''
and similar painful diseases
PoNDERADLE MATTER THE ONLY MEDIUM or
FLTCTRfCIrY-Ar Alyergnat Of Paris mas constructor
new apparatus for proving that elecllcy eainoe pas
through absolute vacuum Two piaen 1 Wis i, lin
about eighth Of an inch OF each other Inc AR Is eh
exhausted from the tube by means OF mercunaI cor
umn after which the electric spark will not pass from
platinum wire TO the other
DEATH FROM MARSH GAs-Dr. B. w. Rich
ardson made experiments with hghtcarburetted
hydrogen, known among miners as he-d3inp TO asceI.a
what percentage in air would be fatal 10 the amman
breathing ". lie 1ONnd tl0t pigeons cOulu '"uO
half an hour in air containing so per cent OF llat gas
The dinnuutiOn Of circulation ana respiration W = -
gradual that IL difficult 10 determine the exact uhe
when death ensued
PARHELTA.-The inhabitants of Lee County,
Va were lately quite excited at the simultaneous al-
pearance of three rising suns which some OF tie nuIe
Ignorant regarded omen of coming evil Inc uuo
surrounded by beautiful colored halo; above
tins was another deYelOped halo, benealn Wch
two mock visible for short time. Tine phes
of colored haOs are due to the refTacuon OF
light by frozen particles floating IN the atmosphere AT
great light while the white uncoOred parhec circles
arise from reflections. They never seen unless me
cirrus or GIRO GtS cloud iuleWenes between the sun
and the observer
TRANSFERRING CARBON PRlNTs.-Dr. II. No
eel Of Berlin gives in The PhHddeiphid Pho'0Udl6P
Swans process for transferring carbon prints SOU
Inc e-fOurth OF part is first made in which the PIC
lures are completely immersed along with piece OF me
tissue paper They taken together out OF me sol
ton. when they Will adhere quite firmly tO eac Other
They are now dried, and with benzne II Is easy 10 Sept
rate them from The fine paper and paste them, OF IIse
paste the whole cardboard and then separate III
VOeel made successful attempts 10 transfer
carbon prntstO glass this purpose the developed
6Oated solution consisting OF gelatlne II paris
glyceTne parts, and water 100 parts. NcAJ
Ell the warm plate Of glass a little OF the
above solution poured; the picture is LAID on TINS ana
the surplus of the geatne is removed by pressure with
fingers when nearly dry the picture is DruSDcu Over
IN order tan H. with solution OF part OF cIOmlo
OF iron parts of water after this II IS allowed 10 airy
aud is then, by means or DenLnc, UssolNcu
off ON opal glass these pictures very pretty, parc-
ularly the is of brOwnlsh tone Ihese pos
five carbon prints glass may become important ia e
future it is easy make from the positive carbon
print glass negative carbon PRINT on glass aso ana
thus we would have the OF supply ing negatives
and giving the latter permanence equal 10 the carbon
print.