New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1867-07-10
SCIENCE.

CoA,. IN POLAND behring's along the lines of rail,
way in Poland have led 70 the discovery oil nVe
New DYKs.-Messrs. Girard and De Ialre have , oO,
taned patent in France for extracting threc no "y ,be
from the black residuum formerly thrown ava! ." INV
manufaot ure OF rosanane
To DETECT FRRE AIKAI1 IN S0AP.-ll the SOAP ap
contains rOsin Puscher recommends aoung ~ soiy
nitrate 81 mercury 10 solution oi the soap U
ION Of the eoap containing resin, calome or corrosive
VuDlmate may be added, which results IN the io'"'i'
Of the black snb-oxisle of mercury
TANNING.-The report Of the Commissioners hay-
rug charge of this department of the Parls hAPoslo
81 cLefsts regarding the Various processes Tor
rapid tanning namely That no definite advanISeo '
vet Onpd in these processes, and me peiiOu
remains about the same as before.
sUGNR IN MUscIE--Dr. Ranke of Munich mas ny ny
recent experiments confirmed th9 SgoT exists in the
Tnnsco which is increased by muscular acto tbr That
h N bs no eject in causing this increase. for the
sugar Is proved arise IN the mseie se ana ho' oN
muse ular substance.
N,cor4NE-Mr Melsens o Belgian chemist, tnds
ths nroporton of nicotine in tobacco varies greatly n
s sis peT cent While in that from Havana only two
per cent Of nicotine s found lie ADVISES Ioing in
fhe tObaeoO-ppe bit Of cotton mpregnated WIN d S
and oitric ACIDS, winch Viii arrest Inc "ika'o" '"
SADnate and citrate OF nicotine
wv,n,Nc IpoN-M Lietar of Brussels has de
scribed new method of welding IRON or s,eTn %
ro s Of iron or steel filings grammes OF sal
nDnopIae co g17lmnBes of bOraH, and 90 gfts V "a
sodered brought to red heat, and after beng EeSSe
with Wire brush, the powder IS spread upon ~, anu n
sf1er niece of metal white heat rs br0ught III cohVGV
with Il thus perfect welding Is Effected
A GRRAT BNIooN-At the Paris Exposition a
halloon m the form of perfect sphere and about 30 eet
In circumference. is held by cable and makes hourly
irips up ard in the manner as worked III ouel
nj the last exhibition by the American lnsIte anu As
eperaed on large scale at the Newly Ofk Cehtiiu
The balloon he filled with hydrogen the most ou1S
ant of the gases which will he made by decOhpOshs
steam nv means of red hot charcoal BY this process u
issad hydrogen gas be furnished ~ about 70 pei
LEGO cubic feet.
A MINIATURE VOICANo.--PToi ChOutard hling
she chair Natural Philosophy at Nancy rahee nag
devised the following experiment showing e power W
RuhnkOrfrs induction coil quantity OF the nOWHfs o.
xulphur mixed with small proportion OF non nngs,
or better still with iron reduced by hydrogen N winch
case 10 in quite impaipable state zinc anu copper
AlngS may also DE added in small quantities. Inc NIX
ture made complete possible Is placed on puc VI
Nass or dry brick to form heap Two OF three CEN
tneters high ard much longer than broad Inc enos on
She Of RuhmkOf apparatus are inserted INTO Ine
heap 80 be two three cenumetsrs distant lToa
each other When ready current VI clectllc is SSt
through the coil and instantly violent explosion taxes
place of crater is formed, whence magnlhSehI
SheaVes of fire are issue, displaying cOOrs Ike
bouquet OF fireworks 10 is in reality volcano on very
small scale having its subterranean noises as IL were III"
e)ecting boiling lava.