Orangeburg times. [volume] (Orangeburg, S.C.) 1872-1875, 1874-09-10
CURIOUS 4Nn su1nNra1Erre.

CURIOUS Ahn su1RM41rIo.
ErrEcrs OF TonrnDoEs.-Experi,
nents are now being conducted at Cher
bouTg, . sSiies5 zs;s Ii Ia order to- determine
the effects of submarine torpedoes. An
apparatus charged with $500 lbs. pow
der was sunk to depth of so feet. On
explosion coluAn- of water, 500 feet. In
height was thrown into the air, and a
hulk anchored at distance of 1S feet
from the spotTwas broken completely in
two. The earth at the bottom was Corn
up, making q hole 40 feet in diameter
and about 5 feet deep.
VALUE OF WALNUT TIMBER.-Aa an
illustration Iof the increasing yalue Of
walnut lumber. the Indianapolis Jour-
nal n5seB tiHs' the standing walnut trees
on o half section of land en- Eel river.
in Miami county, Indians, were sold to
a lumber dealer for 1000. There is
large amount Of other: timber on the
tract whicb. is not included, only the wal
nut timber being sold. Walnut lumber
coming more. and more into use
throughout this country and Europe,
ana at present very large business Id
no9e IN preparing and shipping it from
New GLAzTNa ;Fon PnTrHny A L;-a
OF lead glazing is used upon common
pottery, the employment OF which often
causes cases of lead poisoning AMONG
the workmen. M. Constantin. of Brest
france, has recently devised a snbsti
tute, which is said TO be much superior.
ana 20 possess the hardness and inalter.
ability OF glass. He uses ailioate of
suaaI s.,.n,S .pnaYer1zed quartz; chalk, and a.
small proportion of borax. This glaz-
ing may De colored green by copper,
aiu Drown or violet by manganese. It
is Already coming into use in MANY of
the largest French potteries.
PRIZE AwARD.-The Berlin Academy
OF Sciences will award o prize of eciSi,
IN July, 1876, to that student of science
VINO shall solve the following probiem
most satisfactorily: Steel when quickly
cooied afteEaheating exhibits q CHANGE
OF color and ofdhe eAtextnre and denaity
OF lss material, ,sbesides becoming muob
harder andSmore brittle. The causes
oi tneso changes they are
Rnyslcal or chemical, or both what are
conditions, and.what the relative onom
titles of carbon In those different con. con-
dit1ons OH the metal-are the mas
lions to b6.solved. ~ e'
.WATER-PRooF1NaL LINEN. Knbr
gives the following directions for th;a
purpose: Pass the linen first tbronoh .
bath OF one part of sulphur of alumina
Ill ten parts of water, then throuoh a
soap bath, of which the soap ia nre.
pared by boiling one part of lirht!coI-
oreo RESIN and one of crystallized car.
Donate g, OF soda with ten parts of resin
until the resin is dissolved. The resin.
soap tnns formed is TO be separated by
Inc ADDITION OF one third. OF common
sai.: IN St4e SgsaP bath the sesin-soap
a is aissotYed 5qgether with one-part of
of water. From this bath mass tba a,s ar'
tlcies finally through water. then drv
and calender. ,lIade:np sarticIea gmay
be brushed with tile solutions in sn Sces. @
slon and be rinsed in the rain. Wooden
Yessels may be employed. - d
A&4ANTEREsTINGei D1scovEnY. Some
workmen. while engaged in layino wo.
tor pipes in Cividale, Italy. recentiv
encountered a large fiat stone. On ra;s.
ing thts bed of mason work was re re-
veaieo, Id which was placed stone sar-
G1pn1agus p.1g covered with marble Iid.
Wlthln The receptacle were the remains
oi q human skeletons some, portionsy of
winch were yet perfect Beside the
Dody lay sword, lance, helmet. spears
gold clasp. and ring, a piece Of yery
beautltu! gold tissue, and flask of we.
Ger Ir, winch was still remarkably clean
Inc removal of clay from the bottom of
tle grave brought out the letters Gisvl
from which archmologists have de-.
cldeo tnaS the remains are those of al.
SUI, duke of the Lombard marches of
frluiI. who fell in battle in k6I1 while
repelling an invasion of tho Aynrs
-, COATING CAST IRoN WITH Copprp
Inc society of forges and foundriea of
val d'Osne has recently opened in Paris
an exposition of their curious prodncta
consisting of objects of art in cast iron
some OF considerable volume, which are
covered with copper by the Gandoin
process: This operation admits of the
deposition of copper upon caat = ;rn,, rno
without necessitating any nrev;on. nv ooet LII
ing of the latter. The diffienlty Of foas- a"-
ceemPilsnlng 90 this has been the securing
o! the IRON, the baths of Chemicals
natherto used being incapable of thor
9ugniy cleansing the metal. M. Can
uaanhasNfoand.t that very acid solutions
are necessary to remove the oxides of
- ea Wnlch escape the securing: but at
Inc same time the acids do rot attack
the subJacent metal Such q solution
nets continually on the points upon
Which the copper is not Deposited. and
ends DyidIssolving the oxides and allow.
ing the deposition to take place. A
large number of organic ac;d. boro