The Cheyenne daily leader. [volume] (Cheyenne, Wyo.) 1870-1884, 1878-01-24

SCIENTIFIC AND INDUSTRIAL.

An exploring party starts from Swed-
en- for the North Pole in May.
Six thousand tons of sea-weed are
used every year by a Glasgow, Scotland
chemical works, in the manufacture of
iodine.
The French Government will send
an expedition to San Francisco to OBJ
serve the transit of Mercury, which oc-
curs on May G, 1873.
Twenty tons of alabaster have been
imported from Italy by a Boston organ
firm for use in the manufacture of keys
for pianos and organs.
Farm animals should not be allowed
within reach of tobacco leaves. A
Kentucky farmer recently lost three
valuable cows, which ate some of the
weed in their hay.
The taxes in Persia have been re-
duced one-half, because of the large
amount of gold taken from recently
discovered mines, and because still lar
ger receipts are in prospect.
The purity of wine may be determin-
ed by dropping a small ball of cotton
into it. If the wine is pure, the cot
ton, upon being washed, becomes white;
other"ise IL VIII retain very reudlsh
hue.
A canal across the State of Michigan
IL talked Of Ag the Stata law nrn-
hibits the undertaking Of public i'm.
pro'mehls OIL this character, IL VIII
nave 10 DC prosecuted py the general
government, II ~ "h'
1t is stated that vulcanized red rub
Der dental plates are injured 10y to-
bacco smoke. They color by degrees,
like a meerschaum pipe. This will
probably account for the number of de-
Perforated plates, of which smoking
complain.
Two hundred Waltham watches were
recently sent TO the conductors and
engineers of one of the State railroads
of India. They were made upon order
from the British Government, for
which they successfully competed with
foreign manufactures.
Are the laws of the nmp-liyhter
numbered? Providence. II. l., has 200
street lamps, scattered over nine miles
of street. One man attends To the EN-
tire lighting in fifteen minutes. 1t is
done by electricity, ut ing Of SO
per lamp per year.
A Partisan has discovered n new use
for lutte fiber. Woven in textile fab
RIGS this material produces fine effects
Oh hght ana color. III taxes aye STEAD
iiy' ana on Single iaoric may I've so
arranged IS TO inmate VeiNet III ieiiet
patterns. III mas peeh proposed 10 EN-
pioy 'his discovery ihthe' manufacture
OF wall tapestries
A correspondent writes to the Scien-
tifc American that an apparatus for
carrying off the Injurious portion Of il
Illuminating gas exists in Europe. 1t
consists III Il glass giope htted 10 the
"N'ui'' "i'" communicating ny "l'aHs
Ola small lPe To 'he chimney or some
o'her outlet Inc apparatus is "rila-
hieh'"i' as well us eHectiFe'
Vegetable ivory, now so extensively
employed in the manufacture of but
tons, is made from Il hard, tine-grained
nut, grown on the Isthmus of Darien.
These nuts, which are about the size of
d hens egg, are sawed into several
pieces, from each of which different
sized buttons are turned. The nut costs
sloO per ton.
The annual oil production nr p.ur-
~sylyania is supposed tn nearly eon,I in
yalue the gold and silver nrnInn,j,n.n ~,
California and NevoJ, on wall. ,ra
now being worked in the last r,,nad
regions. and if to their nrsscnt mineral
wealth should be added this equally
valuable source of income. the r,rdi-
ton of California will be favor.L in
deed.
The temperature of Ic.l,nd ,;,.s,-