The Opelousas courier., 1892-07-23
SCIENTIFIC AND INDUSTRIAL.

Small machines in 272 tailoring shops
in Rochester, N. Y, are running py'
electricity.
.Janan has no fewer than 700 earth
quake observing stations scattered e
the Empire.
Fish do not seem to exist below 4oo
fathoms (2400 feetl with the exception
Of the shark.
Engines to be worked by wind are to
be made in Michigan and shipped to Al
RIGA and Asia.
Philadelphia, Penn, has the biggest
reel truck. It weighs $4,000 pounds
and can carry or bear 100000 pounds.
The vichy Springs in France and the
Hot Springs in Kansas, are recommended
by physicians to sufferers from the govt
An electric tuning box for the use OF
leaders of orchestras and others interested
| in music has been invented by a French
man.
Two new steamers are being built,
| each 500 feet long for the Atlantic ser
vice, guaranteed to cross in five days and
l T@N 81
ten hours.
The first trace Of a Cretaceous mammal
| discovered in Europe is q tooth OF a
P~iaoiaulax, from the Wealden formation
Of Hastings, and allied to that genus
whose teeth have occurred in the purbeck
(Jurassic) beds.
Ninety per cent. of the male popula-
tton of the United States are afflicted In
some degree with nervous debility or
weakness and decline, caused either by
improper training, sedentary occupations,
the use of stimulants, and excuses in
habits of life.
Some experiments in connection with
the artificial production of clouds by
burnino cases of r~esinous matter were
lately made in Paris, France, but were
only partially successful on account oil
the wind carrying the clouds away al
soon as formed.
II appears that the song of the cicada
in Natal, South Africa, Is appreciated BY
laee-winoed flies which, while the cicada
is shriliag, were observed to gather,
sometimes IN a group of fifteen or sic.
teen. forming a rough semicircie at
short distance around its head.
Professor Helm, of Zurich, Germany,
saws that the most agreeable death Is BY
falling. He has ~conversed with many
peopIe who have escaped death by falling
by a hairs breadth only, and reports
that those who experienced such acct,
dents suffered neither pain nor terror.
Fogs frequently rise in che morning
and fall again in the evening because.
warmed BY the suns rays, they becom'
more rarefed, and disperse to an altitude
when they appear to be entirel!
dispelled; but at night, when the eartl
cools by radiation, the vapor9 near ths
earth again condense, and settle in tn
form Of fog.
In some fine caves discovered in Ia
mania, the lights carried BY the explor
ing party having been extinguished, tn.
ceiling and sides of the caves seemed
studded with diamonds. an effect due e
millions of glow.worms hanging to tn
sides of the walls and from the ceiling,
These were the onlyliving beings seen il
the caverns.
The largest band-sawing machine I
the world has recently been completed il
England and sent to Tasmania. Tn
machine can saw through q maximum
J depth of seventy five inches and the cal
rage will accommodate logs fifty fee
! long and weighing about fifty tons.
! Is serted that this saw cuts even taste
! than a circular saw, while wasting sever
ty-fye per cent. less wood.
} IA good illustration Of the amount /,
E change brought about BY deep-sea inve'
LEGATIONS in our ideas OF the Distribute
Of the fishes is to be seen in the recer
4 history of the discoboli. It is no
! shown that the discoboles, diskbearer!
! Iumpfshes, sucking fishes, or Sea snail'
as they are variously called, are no long
restricted to the Atlantic and Pacific
! their northern parts and to the Art
= Ocean.