The home journal. (Winchester, Tenn.) 1858-188?, 1880-04-01
NUMBER 3.
SCIENCE AND ART.

The circulation Of scientific works in
Russia is so small that native men of
science can find no publishers.
A SCIENTIFIC French journal gives
the particulars of young girls loss of
the hair of the scalp from fright.
The French association for the ad.
vancement of science has selected Al
giers for the place of Meeting next year
in April,
A CUBIC foot of alcohol weighs 1913
ounces, while the same quantity CT
water weighs 1000 ounces. A cubic
foot OF sulphuric acid we CHS 1871
ounces.
THE reason why violent fit of anger
frequently causes illness, is because it
occasions an undue secretion of bile,
alters its quality, and often causes it to
be absorbed by the blood
The reason that sage is so excellent
an article of food for invalids, is because
it contains so much starch, one of the
mot important agents in the support of
combustion in the lungs and animal
heat.
FROM experiments recently made it
appears that cholera doe not act as an
angsthetic GA the sensitive plant, while
ether and chloroform have an effect upon
it similar to that which it exercises on
animals.
NEAR Stramberg, in Morava, have
been discovered certain caves, which, Ia
prehistoric times were inhabited BY
man. The contents of these caves clearly
prove the existence of mar in very re.
mote times the age of the mammoth
and the cave. bear.
SOLVENTS for gums are not SO numer-
Gus that the practical worker can afford
to neglect any promising line of research
in this direction, and perhaps thele may
be merit in an improvement for which
provisional protection was obtained, but
allowed to lapse. lthas previously been
the istom to use naphtha and other
dist lates of coal tar to dissolve India
rubber, all of which havea pungent and
disagreeable odor. A Mr.. Jack obtains
his solvent from wood Tar or the oils
thereof (Which have heretofore been
comparatively valueless; either by dis.
tillation or by any other process, pre-
ferrin5 to use the alkaline bath at IL
temperature from one hundred to four
hundred degrees Fab the result being
an oil of pleasant and wholes ONE odor,
which can be used either as solvent or
for lighting and heating purposes BY
hn unlv ln iI,tn
obtained after distilling off the lighter
oils with the fatty alkaline aud other
materials for making soap, u soap is
made of an antiseptic character and IT.
freshing odor, and the heavier portions
of the residue may be used as II lubricant,
either alone or in combinations with
other oils.
The approximate economy of gas and
electric lighting has been clearly dem
onstrated on this side of the Atlantic in
favor of electricity, and the following
instance, where the electric light has
been in regular use for year, long
enough to determine the actual expense
and merit. The Riverside Wors,ed
Mills, Providence, r. J., have now IL ed
the Brush electric light over twelve
months. In one portion of the mills
one thousand gas-ligh,s were used, each
of fifteen candle power, yielding AZ
average of fifteen thousand candles, and
costing $l2 55 per hour to run them, or
0.S2 of cent per candle per hour. The
cost of gas per cubic feet is here figured
at s.. As per one thousand feet. In lieu
of the above, electric lights to the mum
Der of eighty were substituted, each Of
two thousand candle intensity, yielding
an average Of one hundred and sixty
thousand candles, and costing eighty
cents per hour to run them, or 05 Of u
cent per light per hour. If these figures
are correct, it would appear to show
that gas Lighting was sixteen times more
costly at these mills than electric light
ing, quantity of light produced being
considered. Edison's method has bsen
as yet merely experimental, but still
with full.sized machines and apparatus,
and on quite large scale. His plan is
to furnish small lamps, each Of the in
tensity of ordinary gas-jcts, of fifteen
candle power. He states he gets ten
lamps, or one hundred and fifty candles
of light per hour per horse power OF
engine, and that each of his electrical
machines furnishes seven hundred and
fifty candles of light, and requires five
horse power to run it. Applying the
Edison system TO the Riverside Mills,
and to the replacement of one thousand
gas Jets, the number of lamps required
would be one thousand, twenty ma
chimes, and an engine of one hundred
horse power. Approximate cost of Edi.
son plant, $4,000. Approximate cost
of running the same, including six per
cent. interest on the plaLt, Sl.66 PER
hour, or OIL of a cent per csndle per
hour. This estimate allows no royalty
to the owners of the patent, but makes
the cost of gas at the Riverside NJ lis
seven and half times more than the
same amount of light would cost by the
system of electrical lighting proposed
hv Edison