National Republican., 1881-10-29
SPARKS OF SCIENCE.

poultice of fresh tea leaves moistencd with
water will cure q stye on the eyelid.
The fossil remains of a prehistoric man have
been found Mt Cafabacel, near Nice.
pliny tells us that Dmdalus invented tho saw.
The earliest saw-mill of which we have mention
was built at Madeira IN ll2O.
An electric headlight has been successfully used
OH a locomotive in Australia, 1t illuminated the
track clearly for five hundred yards, but the
atmosphere there Is exceedingly clear.
Electric lighting is in successful operation on
more than sixty steamers Of the Mississippi River
and It's tributaries 1t is believed 10 add much to
the safety of that kind OF traffic and travelling.
1t is asserted that the contents of the S0i tanks
In the oil regions of this country would hl square
reservoir having aside 3,h7 feet to depth often
feet Some of the recently constructed iron tanks
have capacity Of $1,000 barrels.
To prevent choking break an egg into n cup and
give II 70 the person % choking to n6 swallow W. The
sacle and remove IT, If one egg does not answer
the purpose try another. The white is all that is
necessary.
Several years ago Ericsson predicted that the
Nile and the Ganges would be lined with cotton
and other factories driven by solar heat. A French
engineer In AgieTs Is already contributing TO the
fuhment of this prediction by. pumping water
and making II boil by solar force alone
A companion has just been discovered TO the
chief monument OF komes regal period, the
| Paganica, and passing underneath the Ghetto, or
Roman Jewry, discharges in the Tlber, opposite
| the Island OF San Bartolomeo' II Is built OF
| blocks Of Gabii stone
Notice was recently made OF scheme for tun-
neing the st. Lawrence River at Montreal. 1t is
now reported that the scheme Is likely TO be aban
| doned In favor of a bridge, the English member
| of the Tunnel Company having Joined railway
company holding charter for bridge across the
| ST. Lawrence near Lnchine.
| An ancient and remarkable clock has been re-
| Gently set up In the reading room of the Munich
| pal Library Of ROuen, single winding Keeps II
| running for fourteen months ana some odd days.
| II was constructed In 1882 underwent alterations
| in 1916 was bought by Rouen for 1000 francs in
1885, has recently been repaired, ana Just set 60
| ing.
NJ de Chardonnet read paper before the Acad-
| emie des Sciences, Paris recently on the absorp-
| tiOn of the ultraviolet rays by some media. In
| this he shows that the liquids which circulate In
plants or imptegnate roots and fruits show great
| avidity for the chemical rays, aud that huores-
cence does not appear to be IN direct ratio TO the
| intensity of actinic absorption.
| A most remarkable discovery has been made In
| the Sweetwater country, In Wyoming Territory,
ID Is deposit of suphurlc acid IN It's natural state.
| The color, chemical action, ana genera! appear
| anoe of the stuff demonstrates II TO be Il pure
quality of sulphuric acid. The. ground Is impreg,
| mated over d large area-one hundred acres OF
more-and parties have filed claims upon H.
| Mr. Buttgenbach, of the Lintorl lead mines near
| Dusseldorf has devised a dlSintesiAlOr which
| separates zinc blende and pyries orc with great
nicety BY specific gravity this cannot be effected,
but the difference In the cohesive force OF the Two
| minerals enables Mr., Butgenbaeh 10 crush the
zinc ore TO fine sand and leave the pyrltes In ts
original volume, 80 that they can DO separated by
a sieve.