The Dallas daily herald. [volume] (Dallas, Tex.) 1873-1887, 1881-10-30
SPARKS OF SCIENCE.

A poulticc of fresh tea leaves moistened
with water will cure a stye on the eyelid.
Pliny tells us that Dndalus invented the
saw. The earliest saw-mill ofwhiCh we have
mention was built at MADEIRA i'll 1920
The fossil remains of prehistoric man
have been found at Carabacel, near Nice.
An electric headlight has been success
fully used on a locomotive in Australia. 1t
illuminated the track clearly for five nun
drcd Yards but the atmosphere there Is eX-
ccedingly clear.
Electric lighting is in successful opera
ton on more than sixty steamers OF the
Mississippi river and its tributaries. 1t is
believed to add much to the safety of that
kind of traffic and travelling.
1t is asserted that the contents Of the )
1904 tanks in the oil regions of this country
would fill square reservoir having side
of 3, 7i7 feet to depth of ten feet Some
ofthe recently constructed iron tanks have
a capacity of $50 600 barrels.
To prevent choking break an egg into a
cup and give il to the person choking to
swallow. The white of the egg seems to
catch around the obstacle and remove it,
/ Ifonc egg does not answer the purpose try
another. The white is all that is necessary.
! Several years ago Ericsson predicted that
| the Nile and Ganges would be lined with
cotton and other factories driven by solar
heat. A French engineer in Algicrs is al
ready contributing to the fulfllment OF
this prediction by pumping, water and
making it boil by solar force alone.
! A companion has Just been discovered to
I the chief monument of Romes regal pc
Rod, the Cloaoa Maxima. This drain
starts from the Piazza Paganica, and pas
sing underneath the Ghetto, or Roman
| Jcwrv, discharges in the Tibor, opposite
! the island OF San Bartolomco. 1t is built q
blocks of Gabi stone.
Notice was recently made of n scheme
for tunnelling the st. Lawrence river a
| Montreal. 1t is now reported that the
! scheme is likely to be abandoned in favor
of a bridge, the English member of the Tun
mel company having joined railway COM
pany holding n charter for u bridge across
| the st. Lawrence near lachine.
An ancient and remarkable clock has
been recently set up in the reading room o
the municipal library OF Rouen. a singl,
winding keeps it running for fourteen
months and some odd days 1t was con
structcd in l7S2, underwent alterations il
1916, was bought by Roucn for 1000 franc
in 1888, has recently been repaired and JUS
set going.
NJ de Chardonnet read paper before tn
Academic DIES Sciences Paris, recently, OF
the absorption of the ultraviolet rays b,
some media. In this he shows that tn
liquids which circulate in plants or impreg
nate roots and fruits show great avldit.
for the chemical rays, and that tOureSCenc
does not appear to be in direct ration to tn
Intensity of actinic ABSORPTION.
A most remarkable discovery has bee
made in the Sweetwatcr country, IN Wyom
ing territory. 1t is deposit of sulphur
acid in its natural state. The odOr, chen
t ical action and general appearance of tn
stuH demonstrates il to be q pure qualit
of sulphuric acid. The ground is imprcl
: mated over large arca-l00 acres or more
} and parties have filed claims upon it.
Mr.. Buttgenbach, of the Lintorf lea
5 mines, near Dusseldorf, has devised dish
, tegrator which separates zinc blende an
: 'vTritea ore with great nicely. BY specit
: gravity this cannot be affected, but tn
!, difference in the cohesive force of tho tw
l minerals enables Mr.. Buttgcnbach to crus
! the zinc to fine sand, and leave III
I pyritGa in its original volume, so thI
;, they can be separated by sieve.
: Among the recent Improvements intr
If duccd in England in building large steam
shipS are hollow steel shafts, which an
i chiefly manufactured by Sir Joseph Whi
= worth & Co. On this system u ten-inC
/ shaft has q hole four inches in diamatc
Il reducing the weight sixteen per cent
- while the strength is only diminished h
2.56 per cent With q ive-inch central no
these figures would be p and AS per cen
respectively.
NJ. Dclon, of Paris, produces miniatu
=. balloons by means of ordinary gas col
:. Quoted through caoutchouc tube an
+ clay pipe to glyceriue soap solution.
1t small disk of thin paper, with fine wire fro
ID its center to little papercar with aerona,
G figures, is connected to the bubble when
" begins to swell, the disk being attached /
y capillarity to the part where the Dire
es forms. The detached bubble rises with
10 car
" One of the simplest and best remedies
10 he given to children if they are troubl,
il with worm is poplar bark, A well-knov
* physician has used this for years wi
n marked success, 1t can he bought ut NJ
,s drug store Take little pinch of the bar
is about rs much as one would natural
10 take up ON the point of n renkniic, NJ
nj | give il before breakfast. II has clca
No bitter taste, and there is no difficulty
NJ getting child to take 1t,
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