Cheyenne transporter. [volume] (Darlington, Indian Terr.) 1879-1886, 1881-03-10
SCIENTIFIC

the fumes of burning coffee were shown
to have disinfecting power quite re-
markable.
Pelagra has been attributed to the
dietetic use of maize, but NJ. Fua shows
that if the grain be sound it produces
TO such result.
Dr. y. Schmitz believes that the non
termentable part of grape sugar intro
duced into wines contains Il poison like
that IN potato oil.
TO detect alcohol in ethereal oils, \.
Drechler employs as a reagent solu-
ton of part potassium bichromate in
10 parts nitric acid or sp. gr. 1.30. Al
COhol, if present, is at once betrayed by
the pungent odor of ethyl nitric.
Applications for space by those in
tending to send objects for exhibition
To the international exhibition of eec-
tricity, TO be held in Pari. next autumn.
will be received until March 81 There
will be no charge for space. but those
who will require steam power must
pay some fixed rate,
If person of fair complexion eX-
poses himself to the electric light for
some time in eXamlng the action of
lamps, the hands and cheeks will show
all the SYMPTOMS of "sunburn" even i'm
winter, and he will develop freckleS
on his cOuntenance rs quickly as when
he goes about unprotected. by IA sun.
umbrella in midsummer.
The authorities of the poStOnice n
Glasgow. Scotland, are about to make
arrangements for the permanent light
ing of the main departments of the
building with the Compton electric
system. satisfactory tpetmentS have
been made with that system for some
time in the sorting room and in the
telegraph instrument office
With Il view of approximately aScer-
tanning how long after death phoSpho-
rus can be detected in cases of poisoning.
Dr. l.. Medicus killed Il hen with that
ward the fowl was disSected The di-
geStive organs were observed to he
quite luminous, and the presence of
phosphorus was easily detected.
According to the experiments of NJ.
Grehant, air containing l-300 of It's
volume of carbon dioXide proved fatal
10 dog which inhaled it for fifty
minutes. With another dog of the same
size the fatal dose was l-250 \ rabbit
resisted various proportions of mixtures
% air and carbon diOXide until the lat
ter rose to LOO of the volume of air;
while Il sparrow died with 1900.
If aloes are believed to be present in
cordials, eliXirs, liquors or beer, Hugo
iOrntrager gives this rapid method of
testing the question: A portion of the
liquid is well shaken with twice its
volume of benzine, and the behavior
OF the mixture with ammonia is Oh
served If no red coloration is appar-
ent. aloes can only be present in very
insignificant quantity, or not there at
al.
An easy method for showing wheth-
~ butter is adulterated with beef fat
has been submitted by lIager. He
SaturateS a cotton wick with a suspect
ed sample which is first melted. He
then lights the wick and permits it to
burn for about two minutes At the
cad of that time, when the wick is cX-
tinguished, an odor like that given of
tallow candle, when its flame is blown
ont is readily perceived, if The butter
IS artificial.
remarkable result, says the Enquir-
er, has recently been achieved 10y Sir
w Armstrong in the production of Il
gun weighing ninety-ive hundred
weight, discharging a projectile weigh
ing 100 pounds, with velocity of ,