The Abbeville press and banner. [volume] (Abbeville, S.C.) 1869-1924, 1889-07-31
POPULAR SCIENCE.

Underground lighting has proved sci
successful in Chicago that the plant is toa
be largely increased.
Power obtained from fall of water af
mile distant is to be used for lighting thef
tower of Segorbe, in Spain. ls
The maximum intensity of the Light
from the Eiffel tower is 500, 900 carcelss
giving range of 127 miles. &:
It has recently been proposed to use ars
alloy of zinc and phosphorus in boilers To-
prevent incrustation and pitting. i,
Naturalists and others are becoming
considerably alarmed over the prospects
of the early determination Of the kangas
roo.
Experiments made on the dog and
rabbit show generally that the quality Of
water is less in the venous than in thu
arterial blood. -.
M. Chauvin concludes that Iceland spa4
possesses magnetic rotary power not only
in the direction of Its axis, but also ide
the neighboring direction. - -
After more than twenty seven years ths
pearl oyster has produced pearls off tho
Madras coast in sufficient quantities to bd !
worth the expense of fishing.
Gurjun oil produced from a fir trea
that grows in the Andurame Island Is
said to be sure cure for leprosy. 1t il
used by Injunction and taken internally.
Carpenters and other tool users who,
keep up with the times now use MIXTURE
Of glycerine instead of oil for sharpening
their edge tools. Oil, as it is well KNOWN
thickens and smears the stone. So
The invention of ssfog machine, by
which water is thrown in spray as fine az
vapor, makes it possibleto spin the finess
cotton thread in mills established in the:
hottest, dryest parts of the South: S
The Insect House of the Geological So-,
ciety of London is said to be the only,
place where an attempt is made to atel
tract public attention to the various and
wonderful groups of the insect family.
The increase in the amount OF. TONNAGE
passing through the Suez Canal is claimed
to be due in a great measure to the hghtS
ing of the canal by electricity, admit1
ting of its use by night as well as by days
Abroad conductors are being laid
underground and insulated by placing th&
bare wires in glass tubes, which are proS
tected by layers of cement, outside Of
which is an iron pipe. This method Is
cheap, gives a high degree Of insulations
and water cannot penetrate.
Both the French and, German Govern~
ments have provided facilities for the exc
animation and certifcation Of electricaE
instruments, and it is now found that apf
paratus bearing the official Endorsements
brings a better price in ContinentaS
markets than non-attested Instruments.
A steam carriage in which coke is used
as fuel has lately appeared in FranceS
The driving is effected by two hind
wheels, and the speed attained is abou9
fifteen miles per hour, twenty-eight and
three-quarter gallons of water being suf4
fcient for run of twenty-five miles.
In an improved method of .wire-mak-
ing, the wire is drawn cold over success
sive pairs of rolls, each pair having q
greater speed than the pair preceding ite
with an intervening friction clutch to
graduate the speed Of the rolls to thsl
speed of the wire in process of rolling.
From the general appearance OF the
vegetation, together with discussion on
the origin and relations of the florist, IL
is concluded by eminent botanists that
Greenland is not European province
from the point of view of botanical ge-,
ography, but has nearer relations to-
America. ~ ~
A century ago only 5uu species OF
orchids were known, and those very m-l
perfectly. Now the latest authority gives
the extreme number of knows species asF
10000. This may be an excessive estl-.
mate. but shows the immense advances
which have been made in our knowledge
| of these interesting plants, for winch
collectors now ransack the most remote
quarters of the globe.