The Indianapolis sentinel. [volume] (Indianapolis, Ind.) 1880-1904, 1885-02-15
CURIOUS. USEFUL AND SCIENTIFIC.

III a chicken bone be lett in dilute mari
attic acid several days it may be tied into a
knot since the acid has Dissolved the lime
leaving nothing but cartilage and connec-
tive tissue. III bone be bnrned il becomes
light, porous snd brittle, the lime alens re-
msining.
The juice of the crimson iok- plant OF New
Grapsds requires no preparation before be.
ing used for writing. The color is reddish
when nTst applied 10 the paper. bnt soon be
comes a deep black, which lie very durable
Ibis ink is now used for public records and
documents.
Pipe-clay made into paste with cold
water will, II Is said, remove grease stains
fIom papered or paste red walls II put on
without rubbing, let stay over night, aud
tbtn brushed off lightly. Where tie grease
hss teen on for some time several a oplics-
items may be needed.
Dung the justification OF food, by which
the reir surface is increased, il is mixed
with e. %, which moistens the food aRd
fnrns part of the starch into grape sugar.
We find the most abundant saliva in those
MANN ais that feed on herbs and grain, bat
lis action on starch is extremely feeble.
The largest organ in the world has Just
been completed by Walck, of Ludwigssarg.
and placed in the cathedral church OF Riga.
The instrument measures SO feet in width
80 feet from back TO front, and IL 65 feet
high 1t contains 6,S26 Iipes. dissTi outed
among l24 sounding stops. -Mechanl cal
News.
Every plant begins life like 81 animsl-s
consumer not producer. Not until the
young shoot rissS ABOVE the III and unfolcs
itself 10 the l'ght Of the suu, at the touch of
whose rays chI"ropbyl is created, does real
constructive vegetation begin. Then the
plants mode of life is reversed; carbon is
retained and oxygen set free.
As result of the investigations OF Dr..
Rudolph Emmerick, Bavarian patnologst.
be has reported the discovery OF bacteria,
rese bling in form and size those found in
diphiheria, in the blood of cholera patients
and furthermore, he has described expert
nents in which he appears ID have produced
the disease ia guinea pigs by inoculation
with thOke bacteria.
By experiment Professor Storer has found
that scantily fed mice will sometimes eat
Caily one third Of their weight OF ordinary
putty. When carbonate of lead, bgryts
zinc or oxide of zinc was mixed with tbs
putty the mice were able still to eat small
quantities with impunity, those pigments
seeming to loose their usual poisonous quail
ity. Putty containing no whiting was IN
touched, on eaten very reluctantly.
DR.. Dio Lewis is quoted as saying that
some years ago he laid 900 feet OF paper
pipe two inches in diameter, TO 1nyey water
from a spring to his house and barn in the
country. 1t has never leaked, and has never
impaired any perez ptibe taste to the water.
This pipe is made OF strong paper wound
into pipe form and thoroughly aoaked in tar.
ii becomes SO hard and strong that 1t will
bear pressure almost equal to iron.
A new piece of field artillery has been de-
yised by the inventor of the maxim electric
light, which utilities the rscoil OF the dis
charge in bringing forward the next cart
ridge cooking the hammer and pulling the
trigger, 50 that the gun when once set going,
is automatic. Ii its attendant was killed in
action, the weapon would in fact go on fir
ug lis compliment of cartridges until ths
lat ere was expended. The rate of dis.
cbsree can be regulated from one a minute
TO the astonishing maximum of six hundred
per minute.