Savannah morning news. [volume] (Savannah) 1868-1887, 1885-04-12
BITS OF SCIENCE.

Cream cures sunburn on some complex
Ions, lemon juice IS the best on others, ana
cold water suits still others.
To scour knives easily mix small
quantity of baking soda with brick dust,
and see if your knives do not polish
They are canning eggs now. One tea
spoonful is said to be equal TO one egg,
and it is warranted 10 keep fresh three
years.
A good way to remove impurities from
the skin is to rub gin into the pores when
going to bed and not washing it of till
the morning, when little cold cream Is
used.
Steel ornaments that have become rusty
can never be polished to the original brL-
liancy; the rust may beremoved by ru 9blbg
tlem with emory paper and ponshIng theH
with soft leather.
The Essen Works have now in process
of manufacture monster gun lot Tue
Italian Government, which IS TO weiSn
1870 tons, and Will unquestionably be the
larg ST piece of ordinance IN the world
An English chemist has discovered mat
white cOlored woods can be per manehJl
tinged to resemble rosewood ana oIhef
darker timber by strong aqueous s0iu-
ton Of permanganite OF potash, puL On
warm, Varnlsh being applied aIJer ury
ing.
Invisible ink NAV be made by taking on
part linseed oil, twenty parts water OF
ammonia and 100 parts pure water. MIX
thoroughly and shake well before using;
When dipped in water the writing VIII
appear and will fade again as the paper
dries.
To initiate ground glass boil teaspoon
full Of rice in pint OF WAGER Tor ndh an
hour, diy in a painters brush, press Jhe
brush a al st the side of their saucepan 10
squeeze out the surplus liquid, DAP tne
usn on the glass; IL willalye the appear
ance OF round glass when dry.
1t Is not . Morally known that coal Is
less va udb for having lou- renamed IN
store perfectly dry. MoAt coal mines are
s turated with water and If the water is
ned OF the coal becomes hinty and
vtlueIess. Coal stored thro 90 the sum
m n should be spriukled and kept moist.
Petroleum explosions being, it is said,
avO dable by placing bottle OF ammonia
in each barrel, it is now proposed 10 APP
ply this method to cOllieries liable 10 hre
damp. Tanks Ill with ammonia would,
it is thought, stOp the combustion, as IL
could not continue in an ammOulacaI at
mOsphere.
Frost does not injure ripe apples if they
do not thaw roo rapidly. Snow Is rec
commended to be placed among iroZeN ap-
pies, but it is as well to permit them 10
thaw gradually where they are, Keeping
them covered and in the dark undisturDed.
10 not handle app es when frozen or at
t -mpt to move them.
In the drilling or filing of hard iron
castings the use of turpentine has been
fpun of much assistance. Ihe tool should
be kept wet with tGe turpentlne, applied
with a common mucilage brush, and the
turpentIne should be evapOrated and OXy'
ddzed by exposure until 1t Is somewhat
viscid, as it has then more body than the
limpid spirit.
In the open air mineral coal is liable to
crumbling and often to spontaneous com
'ustiOn. An Australian mining engineer,
w orznl Poech, has discovered simple
and inexpensive means Of preventing loss
from such sources, the plan consisting
II fly in treating the coal-plle with steam
for the exclusion of the air and securing
permanent retention Of moisture. The
theory is that the absorption of oxygen
and other gases, for which the way is
Oprned by the evaporation OF the hNuro-
SCOPE moisture, causes the deterioration
of the coal, and this cannot happen II the
coal is kept tut Of wafer.
According 10 the Building Ne1rS aGoth-
er curious use has been found tor papef.
At indianapolis a skating rink has been
constructed of this material. Straw
boards are first of all pasted together and
are subj 'cted to hydraulic pressure, and
these when sawn into loOring-bOards are
laid so that their edge are uppermost.
After being rubbed with glass paper
surface is obtained so smooth and hard,
aud at the same time exhibiting such adj
hAsiye pr0prieties, that it is well adapted
for the mOdern rolier-skates. 1t is also
stated that in sweden old decaying moss
been manufactured into a kind of card
BOARD whicn can be nodded in various
ways for the purpos Of house decora-
ton. 1t is said to he as hard as wood
ard will take an excellent polish.