The Opelousas courier., 1891-11-21
SCIENTIFIC AND INDUSTRIAL.
BOTTLES are made by machinery.

Bethlehem, Penn, has TIE biggest
hammer.
Chicago is about to add to its attrac-
tons a steel chimney, $50 feet high.
Electricity is now being made to serve
for use of headlights on locomotives.
Eye blinds and dark stables are said
to be the greatest cause of blindness in
horses.
A locomotive is running on the Chi
cago and Alton road which consumes its
own smoke.
1t has been calculated that 100 laying
hens produce in egg shells about 1877
pounds of chalk and limestone annually
Henry Curtis Spalding claims that the
idea which Greathead utilized in his pat
ents for tunneling really originated in
America.
A French amateur photographer has
mounted a camera on a kite, and gets
remarkably clear views from "A height OF
100 to $50 feet.
Papier mache oil cans which are now
being made are very durable, and m
pervious to any spirit or oil likely to be
used in a machine room.
An expert electrician asserts that an
electric train making 125 miles an hour
would require 1000 feet in which to
come to a standstill.
A physician in Cracow, Poland, has
made some remarkable cures OF cancer
with a new medicine called cameron.
It's ingredients have not been made pub
lie.
An English physician, DR.. Lennox
Wainwright, afirms that a mixture OF
menthol and carbonate OF ammonia
has proven to be the best re nedy for hay
fever. It is used as smelling salts.
Steel is now being used in the con-
struction of large chimneys. It's weight
is about one-third that of a brick strdc-
ture of the same conducting power, and
much economy in space is secured.
A hotel iii Hamburg has been built
entirely of compressed wood, which, by
the pressure to waich it is subjected, it
is rendered as hard as iron, as we'll as
absolutely proof against the attacks OF
fire.
A light and compact form of rolled
steel or iron columns has been placed on
the market. They consist OF two l
beams bent Iongituiinally at right al
| Giles and bolted together with a small |
beam between them.
The high price of coal on Mexican
| railways has resulted in the adoption of
a novel type os compound engine and
| locomotive, and a consequent saving Of
twenty-five per cent. in coat is obtained
with only a slight increase in weight.
Delicate electro magnets are now sue
| cessfully used in optical surgery for the
removal of pieces of iron or steel wlica
nave entered the eye. The attractive
power of the magnet causes suca par
ticles to be drawn to it, aud they adher'
when the magnet is drawn.
The largest gasometer in the world
is new being built for a London con
pam It's diameter will be 300 feet, and
the height 180 feet. It's capacity viii
be 10, 600, 900 cubic feet and weight
1920 tons. 1t will take 1900 to- IS of
coal to fill it with gas.
The use of the search light on naval
vessels when on blockade duty is being
severely criticised, as it has been shown
that they serve to show the position of
a vessel when she would otherwl be
invisible, thus making an attack with
| torpedo boats possible.
A novel idea in the running of street
cars is that recently suggested and tried
near Richmond, Va. Eight heavy
springs are used, which are connecte to
the axles by suitable gearing. a wind
ing engine will be built at the ends OF
the lines, which is four miles long.
Some of the monstrous cranes used in
the Baldwin locomotive works at Phila.
delphia lift a big locomotive as easily a;
a mother does a baby. Each of then
saves the labor of $50 men and doe
away with the necessity of having a c. m
plicated system of tracks for shifting The
locomotives.
A late invention, the cushion ca
wheel, is described as being a thick rub
Der band placed between the tire ant
centre of the wheel, and which acts as
cushion, absorbing all vibrations. TIL
rubber is 90 attached as to make an.
danger from a hot box Or from %corrosiv'
action an improbability.
A new Swedish glass is claimed t.
have important advantage for microscop
and other fine lenses, giving greatly in
creased power. The chief improvement;
over other fine glass consists in the add
ton of phosphate and chlorine, whici
impart absolute transparency, great hard
ness and suspectibility of the finest pol
ish