The Jasper weekly courier. [volume] (Jasper, Ind.) 1858-1922, 1892-08-05

4 Processes have been discovered By
which aluminium u being produced ~
between forty and fifty cents : pound.
This metal which may be said 70 be a.
most universal In certain kinds Of cisv
not at al rsre. Was discovered In l-27.
but wss not introduced 10 the world IN
tiI 1876. when . FreDcbmAn named De-
willie made small quantity Of II in HE
laboratory. II was 80 generally admired
for It's brilliAncy that further expert
ments we're made. each resulting in les
e~uing the cost OF lie production. and in
1862 II was being soid II $l2 20 pound.
Al this price II wss too expensive 20 Be
used. and for twenty i've years The main
attention Of the metsIiurEisss Of the
world was directed 10 sard> the cheap
ening Of sluminium- Bot up 10 1886 the
selling price had MT been reduced below
80 20 The following year stilI further
Improvement in the methods n produc-
sion reduced the price 10 IS 70. In 1883.
however. such strides had been made in
reducing the metal by The electric pro-
cess that the price fell 20 s. and 10 1921
20 So so pound. Competition soon De-
came so general that IL 1891 the price
dropped 10 fifty cents : pound. around
which figure il has beeh balspcing ever
since. The total output ia the United
States il $50 tons. in France about IS
tons, and IN SEiizeriand 2l5 tons per
wear, making : total for the gorid Of
$50 tons annuslly- Not wifhsfssding
this con siderable manufscfure the de-
mands for the metal far exceeds the sup
ply.
Aluminium is from one-ihird n one
fourth lighter than sny o'h~r metal II
Il especially adapted 20 culinary ufen-
sil<, surgical instruments and interior
decorations because % ifs resistance 10
corrosion. In cooking. aiDnininm wAre
does not rust aS IRON - are does. does not
wesr ous a. tim ware doe-. does not crack
as ensmelei wsre. and il not liable %
the poisonous effect and difficulty Of
cleaning Of feopper-ware- The heat psss
es through IL and cooks the contents with
much les fire than Il ordinarily neeiful
Regarding surgical instruments shn<e
made OF aluminium sre 90 easily kept
clean. fhe metal i 80 harmless and light
tbs. their use has proved serissbIe
comfort % the profession For interi5r
decoration aluminium leaf tskes the
pisce Of silver leaf 10 perfection. sn'i
kreps its white color unchanged in IN
atmosphere thst would turn silver black
in day Here iis lighines< il nnim-
pnrfans. but for chandeliers both these
properties sre OF first importance. snd u
Il surprising that slomininm gas fixtures
X ere not In more general NEE u Il err-
I tain th<f ~ wiII soon <eo them made u
large Qu>nfifics and nsrd almost every
where We may. therefore. expect that
aluminium will in = measure replace
cast iron. timed iron. copper and brass
4 for culinary MS. STEEL german silver and
brsss TOR surgical Instruments. zinc, brss-
ana silver Leaf for decorations.
4 sWill slnminium supersed~ iron and
lsfeel?- asks Mr. JosErH W. RIcHkRD=s .
Courier Journal.
The answer is--no. The metals
which viii be msserislly affected b,
sluminiun are tin. copper. zinc. Iesd .rd
silver. Our biock-tin pipe. tin foil Ill
n yer leaf. even -iiyerwsfe. may be largely
replaced. while tinned-iron sheets (com-
ss...s sin) nay be eIbowed ont BY <seef
aluminium-cosfed sheets Copper 10
many places. such - for roofs. stills.
cooking utensils. wili have aluminium
largely substituted for IT, The thousand
and one articles Of everyday u.c made
OF brss- nav almost any Of them Dc
made OF alumininm. Interior fittings Of
al kinds 70 buildings ships. street and
rsilssy cars-nof forgetting the pro-
jecied floating cir ships will BE in
many cases made Of the light alumin-
ium. But for boilers engin>s mschin-
~rv. girders. rails. bridges. ships. tozers
and al structural purposes the nee Of
iron and steel will never be visibiy sf-
fected BY competition from slumini0m.