The Bossier banner. [volume] (Bellevue, Bossier Parish, La.) 1859-1952, 1889-06-20
SCIENCE AND INDUSTRY.

patton OF fog by electrical dlscarges.
The largest quill toothpick mill in
the world is within few miles of Paris.
There about 600, 600 barrels OF cot
ton seed oil manufactured annually,
two-tbirds of which is consumed in
manufacturing lard.
England owns one-half of all the
spindles of the world, and consumes
more than one-third of all the cotton.
About 23O0 B. c., when Emperor
Yam gave the order for the observation
of the meridian stars, is thought to be
the beginning of Chinese astronomy.
DIR. Kruss, a celebrated chemist of
Munich, has successfully decomposed
cobalt and nickel-two substances
which have hitherto been considered
as elementary.
One of Names interesting indus
tries is at Orneville, where one concern
makes twenty different kinds of log aud
board rules and four different caliper
rules. The factory sends its rules al:
over the world.
capable of turning off four hundred i'm
pressions an hour from hot type or
wood, is a new French production. Il
is said to yield results equal to litho-
graphy.
About nine-tenths of all the clay
pipes manufactured in the United
States are made in Brooklyn, N. Y.
where three factories are located that
turn out $4,000 gross annually. The
clay comes from Woodbridge, N. j.,
ana costs at the factory five dollars per
ton.
Two German experimenters have
discovered that there is heat-center
located in the brain. 1t is found at the
front and upper part of the brain.
When the heat-center is irritated in a
rabbit, the temperature sometimes rises
several degrees, and with wonderful
quickness.
"A process, called the Cooper pro-
cess, of lining iron pipes with glass,
is reported, which is said to have stood
the severe test of having water passed
through them at the boiling point and
Immediately followed by water at a
temperature of thirty-three degrees,
and without in any way cracking or
damaging the glass. If the invention
should prove equal to such changes oi
temperature in ordinary service with
out injury, it will be found exceedingly
valuable.
Investigation of fire ruins show that
porous terra Gotta bricks and blocks
best resist fire, water and frost, next tC
these in the order of fire-resisting quail
tiles being the various concretes, OF
some of them, and burned clay work
In the best building work now done
the iron part is encased in porous terra
Gotta, tile or brick work, in roof, fool
and tile construction; the hollow tile:
are faced with vitreous tile, slate ol
any good weather-proof coating, OF
with single thickness of brick. En-
cased in fre-proof materials, iron ant
steel framework is claimed to give thu
best results.
I'm the Galician forests, electri,
power has been adopted tor fellinl
trees. In steam machinery for fellin;
trees the trunk is sawed, but in this cas-,
it is drilled. When the wood is of
soft nature, the drill has a sweeping
motion, and cuts into the trunk b,
means of cutting edges on its sides
The drill is actuated by an electri'
motor mounted on a carriage, which i
brought up close to the tree ant
shackled to it. The electrical curren
is conveyed to the motor by insulated
leads, brought through the forests from
a generator placed in some convenien
site.
The manufacture of what ar
termed veneered diamonds is nota
BILE industry in Paris. The body of tn
gem is of quartz or crystal. After be
ing cut into a proper shape it is pu
into galvanic battery which coats i
with liquid, the latter being made Q
diamonds which are too small to b
cut, and of the clippings taken fror
diamonds during the process Of shap
ing them. In this way all the small
particles of diamonds that heretofor
have been regarded as comparativel
worthless can, by means of this in
genious process, be made Of service t
the jeweler.
1 ~.,-