The southern sentinel. (Winnfield, La.) 1883-1910, 1885-01-16
SCIENCE AND INDUSTRY.
Alabama this wear has been dis d

Alabama this year has been dis tin
guished for the Inauguration OF heaSy
mining and smelling enterprises.
Paper is made in France from tho
hon vine, and it is claimed that the
fiber secured is the best substitute TOT
rags vet obtained, us it possesses great
length, strength, fexibility and deli
cacy.
Scientific men now have theory
that animal lie originated in the Arctic
regions. Ii it attracts attention ana
provokes discussion the result VII!
doubtless be more scientific expeditions
to the land of iee.-Chicdgo Herald.
An exceedingly de.ica,e and very
important instrument among the frcncI
G xhibits at the Philadelphia Ele trical
Exh .b;tion is Professor Regnard's APP
pa atus for the study of the respiration
O. animals. BY means of this the sci
enlist can measure the quantity OF air
breathed by the animal IN gwen
time, and can make a complete analysis
of it a terward. Phitaiet9hta Press.
TX eriments on an extensive sca'e
Lave been made by the Dutch t,ovarn-
meut TO ascertain the relative strength
of iron and steel gildeis. The
soft steel girders proved to be twenty
two per cent. and the hard steel orders
sixty-six per cent stronger than the
iron errders. Ii was pretty we'll estab-
lished that The strength of steel girders
is about the same for the two tianges II
they are made alike in section.
The latest treatment of brain irri-
tation consists of scclusion in dark
ened room for from ten to fifteen hours
day, while progressively increasing
the hours of sleep: and the excessive
use of bromides and other stupor-in-
duc.ng sedatives is discouraged. 1t is
elaimei that the soothing effect OF
deco twilight is alone therapeutic
agent great value in cases of extreme
cerebral irritabllity. -koston Budqet.
Tie great trouble in making can
non is that ii flaw occurs the entire
cam n is lost. with a the time and la
Dor spent on it. To obv ate this. n ma
tive of Idlewild. Allegheny County,
Pa, has patented this method. lie
first bores steel tube the size of the
gun desired. l; this tube is defe tive
then only that mu h time and labor Is
lost. Ii it IS not de Get vea steel breech
is put on and then about The tut c and
brcech is run molten cast-iron or steel.
to complete the gun. The patentee
has received an otter from the Dyna-
mite Cannon Company, in which the
Government is Interested. He has also
been offered 1900 foc the right to sell
in Canada.-Pi tsburqh Post.
"A single human hair indicates
whether the air supplied in the ven
tilation at the Capitol at Washington is
too moist or too dry. A pc fectly dry
air is put at zero. Saturated air, that
is. air carrying all the moisture it will
hold, is put ut 100. The human hair
absorbs moisture, and. like rope, be-
comes shorter when wet. The di err
ence n length between a hair six inches
inches long when wet and the same
hair when dry is made to represent the
hundred degrees of moistu on the
dial: and the hand asd pointer moves
backward, or forward as the moisture
i'm the air varies. l. il becomes too dry,
more steam is thrown in; If too moist.
less steam is allowed to escape. And
thus the atmosphere is regulated st
wholesome Washington Post.