The Opelousas courier., 1892-06-25
SCIENTIFIC AND INDUSTRIAL.
Glass coated bricks are ANNOUNCED

Glass coated bricks are announced
About 1900 years ago we entered the
epoch of a more genial winter tempera-
ture.
Common wheat bran, or any kind OF
mill feed is recommended for extingulsh-
ing oil fires.
A reverse of seasons is supposed to
take place upon this earth once IN every
10, 500 years.
In his " laboratory Mr.. Altken cal
culated 80, 900, 900 of dust particles IN a
cubic inch of air.
Experiments with two straight Edges,
separated at one end by a sheet OF paper,
show that light can be seen through a
clean cut opening of not more than
LAO, 600 of an inch.
In some German telephone offices an
electrically driven clock is attached to
each telephone, which win work as long
as the telephone is off the hook, and
stops directly it is replaced.
Recent experiments have shown that
in toe dog and the cat, as well as In the
rabbit, the removal of more than three
fourths of the liver is not followed by
serious consequences, and that the Or
oan regains its weight within thirty-six
days.
Vaccine virus has been cultivated by
3 Russian physician, who finds that the
artiicialIv cultivated is as effective as the
genuine product, while having the adj
vantage oil absolute freedom from germs
of ~scrofula, tuberculosis or other dis
eases.
Mr.. Haly, Curator of the Colombo
Museum, has discovered that carbolized
oil is one of the most perfect preserva-
tives OF the colors of FISH and other AMI
nal specimens. The most delicate frogs,
snakes and geckoes retain their evanes
cent tints when kept in it.
The FIRST white enamel factory in the
| United States will be located at Dubuque,
| Iowa, and the plans for it have just been
received from Germany. The process OF
| manufacturing these goods IS q secret,
and that it may not be discovered the
building will be Constructed without
| doors and windows except those opening
in an inner court.
A French psychologist reports an IN
teresting experiment in preventive lnocu-
lation for consumption. About eight
months ago he inocalated two monkeys
with the tubercular bacilli of the fowl,
and after six months they showed no
| SIGNS Of the disease. These animals q
a third were then ~inoculated with human
tuberele, with the result that those first
inoculated still continue well, while the
| third died after a few weeks.
1t has been decided to work the Liver.
pool (England) Elevated Railway BY
electricity, using motor cars, instead OF
separate locomotives. The line is six
miles long, and the generating station IS
being erected near the middle Of the
railway. There are several opening
bridges, and the structure is composed
entirely Of iron and steel. spanning for
the most the existing dock railway,
which will thus be left free for the goods
traffic of the docks.
Forest vegetation is much richer in
North America than Ia Europe, and com !.
prises 4l2 species, Of which 176 are ma
tive to the Atlantic region, log to the
Pacific, ten are common to both, forty
six to the Rocky Mountain region, and
seventy four are tropical species near the
coasts OF Florida, as against 15s species
in Europe. Six North American species
Of forest trees--the Judas tree, persim-
mon, blackberry, plane tres, hop horn
beam and chestnut-are also indigenous
in Europe, all now growing there natur-
ally south of the Alps.
Un urseSn !, rnaranf NfSn