The Bossier banner., 1892-09-29
SCIENCE AND INDUSTRY.

Counties of England, the sweet in here
ford and the rough in Devon. In the
Dominion of Canada about 100000
gallons of cider are drank yearly.
Upon investigating the causes that
led to brittleness In the manufacture of
horseshoe nails, it was found that the
pan in which they were annealed was
not we'll luted over, and that enough
air leaked through to affect the nails;
too great an amount of oxygen was the
trouble.
Trials of compound arrnor plate at
Shoeburyness, England, are held to
have demonstrated that, when these
plates have been submitted to the Ire
sidden supplemental process, they pos.
sess powers of resistance and endurance
much exceeding the compound plates
tried in this country in competition
| with nickel Steel
The quantity OF cheese exported
| from Canada in 1891 was 106.202, 900
bounds. of the value of S9,50S, 800, as
compared with "a, ,OO0, 600 pounds, valued
| at s.. .253. 1000 in 1874, and SO, ,423
Bounds, value s7,251 ,9Sg, in 1884. This
| rapid development in the manufacture
of cheese naturally limited the output
of butter.
| I'm many cases on the continent
there are no tolls whatever levied upon
the canals, and in others the charges
are merely nominal So much is this
the case In France that the amount OF
traffic along the canals and rivers is
Rapidly increasing, until now the quar-
tity of merchandise entering and leav-
ing Paris by waterway Is more than
third of that conveyed by rail.
Paper manufacture is one of the
leading industries of Corea. Besides its
use for writing paper, it is employed in
great diversity of ways, such as string,
and in the making of lanterns, hats,
shoe soles, coats and boxes 1t is MADE
from the bush of the mulberry order,
which is Indigenous, growing in many
parts of the kingdom, but thriving best
in the moist, warm climate of the south.
in the new form of telescope for
stadia work spider lines are entirely
omittsS, and instead prism is placed
so as to cover one-half the objective Of
the telescope, the consequence being
that the rays passing through the prism
!, make an angle with the rays passing
through the unobscured half of the OBJ
iective, and this angle is constant what
J ever the distance of the object observed.
: Speaking of oleomargarine, Prof.
I Charles f. Chandler, New Yorks most
eminent chemist, says that the opposi-
ton to It's use is unreasonable and based
) main'y on commercial and political
motives. In fact it is composed of pre-,
= cisely the same chemical constituents
| as butter made of cows milk, and peo-
T ple who will be offended to find it on
S the table in place of butter, find nc
e fault with beef suet served up in minct
D pies and plum puddings.
S 1t is proposed, says Nature, thai
e Englishmen shall celebrate the fourth
. centenary of the discovery of the new
Y world, and do honor to the memory Of
8 Columbus by establishing in Jamaica g
marine biological station on the lines
a of the marine laboratories at Naples
s and Plymouth. The institution woulc
> be called '"The Columbus Marine Bio
e logical Station" For the establishment
S of the laboratory on d sound basis ar
= outlay of SIS, 900 will be required.
r Some trials with solidified petro
= leum were made few weeks ago at the
# works of the Solidifed Petroleum Cor
IS poration at Hackney Wick, London, ant
i they demonstrated that six-horse
q power tubular boiler containing eighty
gallons of water could be heated by g.
e pounds of the Chenhall fuel Tor solidi
y fed oill, and in 364 minutes stean
Ie raised to indicate 60 pounds to the inch
II while it took 106 pounds of coal an
sr wood to raise steam so pounds in on
IS hours time.-Engineering and Minin
lie Journal,
Chile, with an area of 293, $40 squar
to miles and population of 100000, pre-
n duces q, ,000 600 bushels of wheat, "a,
Of 900, 900 gallons of wines and othe
r. things on like scale yearly. The wood
e. Of Voldivia are famous and the fruit c
Id Coquimbo is greatly esteemed. TIL
Ill foreign trade of Chile by the latest st;
ne tistics is s120, 900, 900 year, equally d
~ vided into exports and imports. Chi
IN is an illustration of what develope
ch South American country can do. Th
to United States imports from Chi
Y. amounted to So, 1873, 24S, and her expor
to Chlle were -, l40,o2f. SnOulu tH Ii
ter-continental railway be built
70 would develop large commercial inte
:. changes. Lous Globe-Democrat.
- The estimated production
as matches per year throughout the glol
.;a is given at $50 milliards. Russia pr
~ duces IA, 423, 900, 900; Germany 10,25t
80 000, 900; England 1926, 900, 600; Fran
- L, ,523, ,000, 900: Austria $3.50, 900, 900, al
- Italy $3.50, 1000, 900. Sweden is now t
greatest center for match lroductio
80 owing to the plentiful supply OF wo
= in that country. The output of sor
~. of their factories is immense, avcragil
:, from 10000, 900 to 200, 100000 box
=; per year, and they are exported to I
~ parts of the world. A slxillful work
- - there can dip no less than s,00o,C
- matches in one day. Taking the wht
- - population of the globe there is
- average daily consumption equal to c
III VI per head The total value of mattel
a"i made annually throughout the gle
!. represents value of 937 100000 st
.e's ting.-London Trades Gazette.
n