The Opelousas courier., 1892-01-02
SCIENTIFIC AND INDUSTRIAL.
Coffee acts as a germicide.

Coffee acts as a germicide.
Electric pleasure-boats are successful.
An automatic electrical pump has ap.
peared.
A process for photographlng in colors
has been patented in London.
1t is estimated that the coal strata I'M
DERIVING Colorado exceeds 8 $4,000 square
miles.
To make cloth that is used in lining
shoes waterproof, use oiled silk or heat
the Innings in melted parafiu.
A station Of the maritime zoology of
the Johns Hopkins University has just
been opened at Port Antonio in Jamaica.
A society has been formed at Berlin
Tor The purpose of cooperating in as
Economical and meteorological re-
searches.
A mining corporation in the copper
region of upper Michigan will sink the
| deepest shaft in the world-over 1000
feet, at least.
Minute electric lights are successfully
used in dentistry, making the very small
cavities visible when they would other
wise escape notice.
By a recent appliance to kitchen
ranges the refuge from the kitchen is
thoroughly dried, converted into char
coal and used as fuel.
Although diamonds will stand q very
high temperature when held in vacuum,
the admission Of air causes them to burn
almost as readily as coal.
A recent invention used in factories
enables any person in any part of the
factory to stop the main engine by simply
pushing an electric button.
Edison is now at work on an electric
motor to replace the ordinary locomotive.
It is designed to take up electricity from,
a central rail and to develop at least n
thousand horse power.
The French have planted works at
Havre, France, for utilizing the ebb and
flow of the tide to work turbine wheels
to generate power for the dynamos to
supply Paris with light.
Small cups are now being used with
great success by oculists for the cure OF
long.sightedness and kindred diseases OF
the eye. The cupping restores the cir
c~ulation and strengthens the tissues.
A new invention by which it is said
that the stamps on 49, 900 letters can be
Cancelled in an hour is on trial in the New
York Postofice. It is operated ca the
rotary system, and is run by electricity.
A new treatment for yellow fever has
cured every case of this disease in San
tiago de Cuba. The principal part of
the new process consists in pladng the
patient in whas is termed q "polar"
room.
In establishing the longitude of Nc
Gill College in Montreal, Canada, by
means of the telegraph, it was found that
it took the electric current LOS seconds
to cross the ocean and return, a distance
of 5000 miles.
At the naval exposition in London,
there is a colossal electric lamp, con-
strueted by the admiralty. It gives a
light equal to that of 5000, 900 candles,
| ana Is DiaCGu Ill q NOuOk ASAG~1SuoOs
~ifty-six meters above the ground.
notwithstanding the assertion that
there is no animal life in Death Valley,
the Government surveying party has
found 200 varieties of mammals and six
ty varieties of reptiles, specimens OF
which have been forwarded to Washing
ton.
There are said to be no moles in Ire
land. Dir. G. I. Trusted, of the British
Naturalists' Society, has never seen q
mole-hill in that country, and an ac'
~auaintanee of his at Belfast,a naturalist,
saws, aIt is a fact that moles do not exist
in Ireland
Progress in electric roads can be seer
from the following: In 1885 there were
only three in this country. Now we
have 1876 roads, VITA 1000 cars. Tn,
comparative cost per car mile is 1915
cents, while for horse cars we have 1915
cents and for cable 14.12 cents.
Electric Welding has now become al
most universal in large establishments.
The use of q fux il unnecessary. Elec
tricity is now used for making forgings,
augurs, railroad spikes, ball bearings, and
many other articles hitherto made b.
hand or by expensive machinery.
a fall Of about thirty feet between
Lake Superior and Lake Huron at Saul
Ste. Marie give probably n of the great
est water powers in the world. It is Il
be utilized on the Canadian side by
race and On The American side by a cana
1000 feet wide, and giving 260, 900 horse
power.
Professor Karl MYer, who is conduct
ing the Government experiments for pro
ducing rain %artifcially, has invented
what he calls a sssky bicycle" It is
torpedo shaped balloon, to which is sus
pended a machine similar to the frame
work of a bicycle. Curious ~paddlewheel
produce the propelling power for tn,
i mr..o~arssn