The Dallas weekly herald. [volume] (Dallas, Tex.) 1873-1885, 1881-11-03
SPARKS OF SCIENCE.

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A poulticc of fresh tea leaves mostent
with water Will cure stye ON the eyelid.
Pliny tells us that DGgalus invented IL
saw. The earliest saw-mN of which we ha,
mention was built at MADEIRA in 1920.
The fossil remains of a prehistoric ma
have been found at Carabacel near Nice.
An electric headlight has been success
fully used on a locomotive in Australia.
illuminated the track clearly for five hui
dred yards, but the atmosphere there is e,
ceedingly clear.
Electric lighting is in successful opers
ton on more than sixty steamers OF til
Mississippi river and its tributaries. 1t
believed to add much to the safety of tina
kind of traffic and travelling.
1t is asserted that the contents of the
S04 tanks in the oil regions of this countr
would fill q square reservoir having a sid
of g. TAI feet to depth of ten feet. Som
of the recently constructed iron tanks hav
a capacity Of So, 900 barrels.
To prevent choking break an egg into
cup and give it to the person choking t
swallow. The white of the egg seems 7
catch around the obstacle and remove Il
If one egg does not answer the purpose Y
another. The white is all that is necessaf.
Several years ago Ericsson predicted tat
Vic IN liz anu NdllSto NOulu DC llIlCu
cotton and other factories driven by gar
heat. A French engineer in Algiers ,al-.
ready contributing to the fulfillmeI OF
this prediction by pumping water ma
making it boil by solar force alone. III
A companion hasJust been discovefd to
the chief monument of Rome's regt pc
Rod, the Cloaoa Maxima. This frain
starts from the Piazza Paganica, any pas
sing underneath the Ghetto, or Jonah
In,1r Iicch in tha Tihnr hDOSlte
the island Of San Bartolomeo. 1t i9uilt OF
blocks Of Gabii stone.
Notice was recently made of dscheme
for tunnelling the st. Lawrence river at
Montreal. 1t is now reported pat the
scheme is likely to be abandonedin favor
of bridge, the English member q the Iun-
mel company having joined raiTay COM
pany holding a charter for brXge across
the st. Lawrence near Lachine.
An ancient and remarkable clock has
been recently set up in the rea| ing room OF
the municipal library of Rouex A single
winding keeps it running Sfourteen
months and some odd dsy3ad was con-
structed in 1872, underwent TTrations in
1916, was bought by Rouen forA0OO francs
in 1888, has recently been repaEed ana just
set going.
NJ. de Chardonnet read paier before the
Academic DIES Sciences Paris recently, on
the absorption of the ultra- solet rays by
some media. In this he spws that the
liquids which circulate in pl pts or impreg-
nate roots and fruits shoWs great avidity
for the chemical rays, and Mt fouresceEce
does not appear to be in ration to the
intensity Of actinic absQ b.
A most remarkably byery has been
made in the Sweetw Entryi IN Wyom-
ing territory. 1t ia sit Of sulphuric
acid in its natural he odor, chem
ical action and bpearance of the
stuff de,uonstu be q pure quality
of sulnhuric n Found is impreg-
mated over a DO acres or more
and parties Inns upon II.
Mr.. Bu the Lintorf lead
mines, u has devised disin-
tegratc zinc blende and
pyrita iicety. By specific
gTayz be affected, but the
diE We force of the two
M uttgenbach TO crush
Ind, and leave the
volume, 50 that
~ q sieve.
improvements intro
ling large steam
bats, which are
Joseph Whit
tenn a ten-inch
Is in diameter,
zen per cent,
Unfinished by
central hole
. per cent.