The Bolivar bulletin. [volume] (Bolivar, Hardeman County, Tenn.) 1865-1888, 1879-12-25
USEFUL AND SCIENTIFIC.

a BLUSH tint in the twinkle of col /
Ored stars indicates the approach of rain, /
as does a blue tint about distant noun
tains.
AN English physician reports several /
cures of lockjaw resulting from the use
of hyperdermic injections of morphia /
administered by the patients them
selves.
WHEN gun-cotton- is decompOsed in |
closed vessels it gives rise to products
which are few in number and simple in
character, namely, carbOnic acid, car
bonic oxide, hydrogen and nitrogen.
MANY coal mine explosions which
have been thought mysterious probably
resulted from the sudden burning of dry
coal-dust in the air. Cotton gins are
frequently set on fire by the ignition OF
fine particles of cotton in the air.
COMMON rosin prevents the formation
of acetic acid in fermented liquid with
out disturbing the process of alcoholic
fermentation, and it is thought the pc
culiar effect of the hop is due rather to
its resinous matter than to its oils. The
Greeks add rosin to their sweet wines.
DIR. MILLET, a French army surgeon,
recommends powdered alOes as a dress
ing for wounds, both as means of ia
voring cicatrization and for closing them.
1t is said to relieve the severe pain of
wounds almost Immediately, and re-
quires to be renewed only at long inter
va4s.
For the protection of iron exposed to
the weather from rust a varnish COM
posed as follows is recommended: One
hundred parts mercury, ten parts tin,
twenty green vitrol, 120 parts water, and
ten parts hydrO-chloric acid of IL spe-
cific gravity.
| CAUsTIC lime sometimes gets into the
| eyes of those engaged in building opera
tons, and produces very injurious eff
| fects. 1t is stated that the evil results
may entirely neutralized by the use of
cold sugar water, compound of lime
and sugar being formed which is desti-
tute of any action upon the eyes.
ASTRONOMERS declare that the YER
milion-colOred spot now noticeable on
| the planet Jupiter is an affection of the
planetary body itself and not of its at
mosphere. There is no record of a sim
liar phenomenon having been previous
| ly observed, and the explanation gener-
ally given is that it indicates that some
great disturbances are in progress with
in the planetary substance. We may
/ OBTAIN some notion OF the extent OF the
disturbance by noting that the size of
the spot with reference to the whole
area of Jupiter's surface is as large as
the whole of Europe is with reference to
the surface of the earth.
AT the autumn congress of the SAM
tary Institution DR.. B. w. Richardson
of London, prefacing his remarks with
the statement that under proper hygien-
ic conditions men ought to live 100
years, proceeded to create, in imagina-
ton, his people of q Southland - in the
! fiftieth year of the twenty-first century,
as follows Five separate dwelling
houses to an acre and five inhabitants
the maximum in a dwelling-the bed
rooms to be entirely disconnected from
| the living rooms. Gardens all around
and on the roofs. The surrounding
land is under perfect cultivation, inter
| spersed with delightful glades, abound
ing with animals, the elephant being an
especial favOrite, and sharing with the
horse (for Salutlanders are consummate
in the saddle) the utmost care. The
roads are perfect. Having mastered
the pestilential diseases, an epidemic
from pollution of air, water, or food
would be to the Salutlander an impOssi-
bility, and the death rate comes down
to in the 1000.