Semi-weekly south Kentuckian. [volume] (Hopkinsville, Ky.) 1883-1889, 1885-01-27
POPULAR SCIENCE.

HE specifio gravity OF gold Is IVA
ACIDS change vegetable blues into
reds.
CHARCOAL deepens the tint of dahlias,
hyacinths and petunias.
The owl, which easily digests meat,
cannot digest bread or grain.
SHRLLAc is used in the hatter's trade,
and the manufacture of varnish.
The earth is surrounded by an atmos.
phere of 800, 900, 900 cubic inches.
A soLuTIoN of blue vitriol is used to
preserve timber from dry rot.
LAMP black more completely absorbs
light than any other substance.
A COPPER wire one-tenth inch thick
can support three hundred pounds
weight.
LAcQuERNa gives tin and articles COW
red with silver leaf the appearance Of
brass. 81
The beryx, q fish of the Atlantic and
Pacific, possesses fossil fac SimiIcs III
chalk.
ANIMAL fats, or oils, are contained
chiefly in the cellular membrane beneath
the skin.
clustered steel is made by exposing
layers of bar iron and carbon to the ac-
ton Of heat.
A STATIONARY engine Of two hundred
horsepower requires, in one hour, LOO
pounds of coal. VIZ ttai
TIE horseay has 1000 eye lenses, tho
cabbage butterfly 1900, and certain
beetles 5000.
LIME is preserver Of wood 1t has
been noticed that vessels carrying it last
longer than any other.
DR.. CORNELIUS HERR, in France, trans
mitted audible speech 800 miles with the
aid of his telephone system.
Cocoa beans possess twice as much nj.
troSen as grain, and therefore chocolate
furnishes much nutriment.
In SOME water plants the flowers ex-
pand at the surface of the water, and
after fading retreat again to the bottom.
ARTERIoGRAPHY is the name DIR. Comte,
French army surgeon, has given the
process of tattooing TO save life.
Two ice machines in France are opo-
rated with sulphurous acid, one OF which
produces 2, 425 pounds of ice an hour.
THERE are in Russil phosphat depos.
its Of sufficient magnitude to supply the
wants Of Europe for an indefinite period.
PHospHoRUs, when perfectly pure, is
O colorless, transparent body, soft as
wax and easily cut with a knife.
The elevation OF the tide at St Mall
amounts to fifty feet, while on the Nor
wegian coast it is hardly percephble.
We eat much more albuminoid food
than we require, partly because it pro
duces an agreeable physical and mental
condition.
SxAIus and chamelcoas have been
known to exist years on air. Mr.. Bate.
kept beetle shut up for three Year,
without food. &
IN ANY steam engine the heat which
leaves the cylinder is cooler than thai
which enters, by exactly the amount o.
work done.
IT Is said that mineral oils are not t,
be recommended as lubricants, as the,
attack any India rubber with which the,
come In contact
IT REQUIRES twice as much heat I
raise water to given temperature as i
does to bring oil Of turpentine to til
same point. [[ ~
1
| In BEING raised from 800 freezing I
212' boiling, mercury increases in vol
ume 1-55 Of its size, water 1-23, alcohc
l-8 and dir and gases 1-3 it--s
| An OUNCE Of silver covered with eigl
grains of gold has been drawn out int
5000 feet Of wire, covered through it
entire length with an unbrokeu coatin
| Of gold.
An ADULT male sixty-six inches j
height, average height, should weigh
under perfect conditions OF health, IA
pounds. For every inch add or sui
tract Eve pounds.