The Indianapolis sentinel. [volume] (Indianapolis, Ind.) 1880-1904, 1885-03-29
CURIOUS. USEFUL AND sCIKs ruFsu.

CURIOUS. USEFUL AND sCIEH rIFfO.
A German chemist lie making a substance
which he claims will sup.rsede gutts per.
cha
A new rife. capable of discharging three
projectiles at q tims, has bssn nads In
France.
1t has been calculated that to make the
$50, goo tons OF psper annually required for
the su pply of the word, 43D days meGsam
flow of water down the river Thames would
be needed.
Cork, when carbonizsd, produces 90 50 per
cent. pure charcoal, the grestest per cent. OF
any known wood. Willow wheat stfa y and
oak rank next in the order psmed, while
maple and poplar are 1919 aud 3I.I2. are at
the very foot of the list.
Leather may have its c)lor restored by an
Of good backing, a subsequent
brushing, q very slight oiling. and an after
dressing OF gum tragacsnth. Il is surprising
Whist an effect this treatment has upon old
and shsbby-looking leather.
The magnitude OF the slate industry in
this cJuntry can bs Unsigned when IL is stated
that the total amount produced o. roofing
slate alone is go OO0 squares per year. A
: square" is about 100 squire feet, or suf1-
Gent to cover q space l0xl0 feet when aid
on the roof Ii covers the same area as 1000
shingles.
The first Russian school for Mussulmans
has been opened at Tasnkend, in Turkestan.
1t is said that the pupils, who numbered
forty one at the beginning of the term, be
long to distinguished native families. and
the success of this expert nent has been such
as to ~coursg the esta iii sh neat of similar
institutions in o.her places.
The Lancet says that appetite is q most
misleading sensation, only remotely related
to the actual demands of the organism II
we only ate more deliberately we should fnd
that III accustomed quantity of food sufi.
Gent to satisfy the most eager cravings OF
hunger and hence save ourselves from the
evils OF dyspepsia, or, on the other hard, q
tendency to over increase la weight.
This is q crimson stain wh'ch is frequently
applied TO woods for musical instruments,
60: Take ground Brazil wool. one pound:
water, three quarts, aod cocbineal, halt an
ousce Boil the Brazil wood with The water
for half an hour. strain the dtcocuoD, and
add the cochineal; then boil The mixture
very gently for half an boar, when il will be
ready for use. After The stain is applied to
the wood allow 1t 10 dry well bsiore using
the varnish.
Defective hearing Is growing more preva.
lent in the United States, 80 says DIR. sexton.
1t produces In children first the Appearances
of stupidity and then the reality. They do
Dot hear TO distinctly, and, o. course,
can not initiate sounds accurately. De-
fects in the teeth are a great cs0se OF his
calamity in ihs young, aad this
is q fresh r ason for avoiding quscx eppli-
cations Of 40 called dentists aud keeping
to pure soap and water in cleansing the
Is il true that birds aud insects disa ppear
from localities about TO be visited By a deadly
epidemic? Testimony of Europeans seems
to be strongly in favor of The ny polhesis.
One writer ssye: Il venture 10 suggest that
the Investigation and collection OF trust wor-
thy meteorolog cal data during tbs Dreva-
lence of epIdemics, aud OF collateral infor-
bearing tbereupon. have Tot yet
received as much attention as IL deserves
from observers Outside OF the medical pro.
Tess ca.
After tea has bsen stepped ia boiling water
for three minutes over Il ge six las OF ths val
liable constitute ts are extracted. at the
of ten minutes the leaves are almost
entirely exhausted. Pro Onged infusion gives
no additional strength 10 the liquid, but il
does cau e the loss. 5y vOlatilization, OF the
dsvoriDg principles. Hard waters are TO bs
preferred TO soft waters in the teapot, as the
hard waters dissolve less Of the tannin oat
The leaves The bearing OF these lsbofa.
tory results on the art OF making a eoo1 cup
Of tea lie obvious.
The last invention for the protection OF
theatre audiences 10 - ''penetrab e safety
wall" which bss just been patented by an
engineer at KofLbus, Germany. The plan is
TO make the interior wallis in all parts of the
OF pspier mache, made after a GER
method. Such q wall will have the ap-
1esrance OF massive stone; but by pressure
Upon certain parts, where the words are 10
De painted In luminous letters: 70 be bro
Ten in case OF fire." accets 20 the exterior
is TO be obtained, whence escape
o thu outer air can De made.
The prizs OF 40. 600 francs offsred by the
French Academy for some certain test OF
leath, to prevent people from berg buried
live, was given to = physician Who an
bounced that on holding the hand OF the
opposed dead person TO q strong light, II
living, q scarlet tinge Is seea where tue hn-
touch, showing q continuous circulation
( the blood, no scarlet being ssen n dead.
Dr.. Max Rush that on contracting
muscle py electricity its temperature will
ise and be shown by any small surface Their
nometer If the person is living: IL II does
OF rise life Is exttnct.-American Homeo-
athist.
As q result of his forest meteorological in
estigatioD, Professor Aittrich. OF Berlin,
80 arrived ct these definite conclusions: /.
he forest exercised q positive influence on
ne temperarere of the air. 2. Toe daily
ariatiops of temperature were lessened by
ne forest, and In summer more than In
inter. 8. The influence of the ieafy forest
10 summer greater than that of the pine
rest, while in winter the tempsring infu.
ice Of the pine forest preponderated over
of the disfolisted forest An attempt to
stermine the influence of the forest on the
can annual temperature led to no sure
suits.