Iuka reporter. (Iuka, Miss.) 1888-1894, 1889-08-29
SCIENTIFIC AND INDUSTRIAL.

e. One of IT, Scientific ls&s of tho Eiffel
Flower will be to weigh the moon.
The record of meteorological observa-
tions kept at the Paris Observatory was
begun in 1866.
Not only are human beings black or
dark in hot climates, but other animals
vary in like manner.
Power obtained from fall of water
mile distant is to be used for lighting the
tower of Segorbe in Spain.
The electric light from the.Eiffet Tower
was turned on disabled boat in the
river, enabling the crew to save both boat
and cargo.
Experiments made on the dog and
rabbit show generally that the Quantity
of water is less in the venous than in the
arterial blood.
Fly-wheels with rims of steel wire are
now made in Westphalia, and may berun
three times the speed of cast iron wheels,
which are limited to aboutforty yardsper
second for the rirn.
Professor J. p. Finley gives the width
Of the path of destruction in tornadoes,
as determined from the records of eighty
eight years, at from ten to 10,6S0 feet,
tbs average being 1869 feet.
The Insect House of the Geological So
cicty of London is said to be the only
placewhere an attempt is made to attract
public attention to the. various and won
dorfuf groups of the insect family.
FROM the general, appearance Of, the
vegetation, together with a discussion Of
the origin and relations Of the fora, it is
concluded by eminent botanists that
Greenland is not, a European province
from thepoint Of view of botanical geog-
raphy, but has nearer relations to Amer
lea.
Oil collects on the outside of lamps,
becauseeof the capillary attraction of the
wick, which draws it up from the inside,
and allows it to run over the top of the
tube in which the wick is placed. To
prevent this, turn the wick down below
the top of the wick-tube when the lamp
is not in use.
Dry wood gives a hotter fire, and is
more econenicalto burn than greenwood,
because the latter contains more water,
and q large part of the beat of the fire
is wasted in converting it into steam,
which passes off up the chimney, thus
carrying the heat into the outer air,
where tits wasted.
The British Museum contains what are
probably the oldest pieces of wrought
iron now known as sickle blade found
by Belzoni under the base of sphinx in
Karnao, near Thebes; blade found by
Colonel Vyse Embedded in the masonry
of the great pyramid, and portion of a
cross-cut saw exhumed at Nimrod by
Layard.
J. Il. .Thickston, a well known scien-
fist and astronomer, believes that the
spaces within the earth's crust made
vacant by the Withdrawal Of natural gas
will be filled up by air, which, coming
in contact with the remaining gases, will
cause an explosion that'may throw into
the air the whole country between Lake
ErieTand the Monongahela River.
An, experienced engineer says belts Of
light color should be selected in prefer.
ence to darker ones. Superior betting
having an unnaistakable light buff color
indicates that it is oak tanned and that
tho '1esther has been thoroughly washed.
This removes all matter except the fibre.
This light color is an indication that only
the best quality of grease has been used
An inferior quality of grease not only i'm
pairs tho quality of the leather but dark
ems tho color.