The Abbeville press and banner. [volume] (Abbeville, S.C.) 1869-1924, 1892-03-02
POPULAR SCIENCE.

W. " AoN W. A@S&'SAS .
Barrels are being made successfully
from paper in England. -
London, England, has electric fire en-
gines now on exhibition. lT.,s
The density of population is greatest
in Europe, where it averages ninety seven
to the square mile.
A fresh discovery of tin is reported to
have been made at Kowloon, opposite
Hong Kong, China.
A Paris (France) photographer has In
vented process by which the colors Of
his subjects are reproduced.
Electric push buttons, using dry bat
teries, are in successful operation on the
cable road in San Diego, Cal. &
An Electric stop-watch is now made
which will show the time to within the
one.hundredth part of q second.
The average annual rainfall in the
United States Is 1916 inches, the yaria-
tions ranging from 0 to about 125
inches.
It is said that If the 'svoice" Of an
elephant were as loud in proportion as
that of nightingale, his trumpeting
could be heard round the world. 5a
It has been found that by the use OF {
the sand blast the lettering on tomb-
stones can be done at greatly reduced
cost, with no sacrifice Of beauty in the
result. 81
The star Sirius. which is shown to be
about double the size of our sun emits
| from forty to sixty fold more light than
the sun, owing to its matter being much
moro dlffused. T.:
A Frenchman has invented new aud
ingenious frictional machine. Mercury
is forced by means of pump through
the pores of piece of chanios, and
electricity in considerable quantities is:
generated by the friction. ;s q
A man of science has demonstrated by
facts and figures what most people have
always believed, that colds are ofteners
caught by those who wrap themselves up
aud avoid the severity of the weather
than by those who brave the elementsI
A knowledge of the physiology OF thei
human larnyx has made it possible to-
supply artificial voices to people who
have been deprived Of the one nature
gave them, and q number Of cases are on
record where the cavity has been opened
and larnyx, made of suitable material
with rubber membranes, has been In
serted and become Of practical use in
speech. ,..ii sTi
OF rooms of poor hearing qualities
DR.. Ephraim Gutter says: Every hall or ::
church has its keynote, aud the audiencei
will hear better if the speakers voice isi:
! pitched aud held to the keynote of the
room. To fud the keynote, sing the,
| natural scale slowly, evenly and smooth.
| Is, or play this scale on piano or organ.
The note which is most prominent Is the |;
keynote. 80 Esls u &
Until recently il was supposed that
the small star near the North Pole known
as No. 1880 Goombridge, which travels
at the rate of '232 miles second, had
the greatest velocity of any in the heay- i
ems: but it is now known that Mu I'M
Cassiouola has velocity Of 3O5 miles q
second, while If the observations'o OF Dr.
Elkin are accepted, Arcturus is travelling
at speed of 375 miles second.
The durability of iron railway bridges
is being investigated by several OF the
European Governments as consequences
of the late serious bridge disasters. The
result of extended English and German
investigation seems to show that under
the most favorable circumstances iron
bridges are not safe for period exceed
ing seventy-five years, and under certain
conditions their life is much shorter.