The Red Cloud chief., 1877-05-03

light. the spectrum coso1 and th0s
obtained BY the ~ Of tin "a or sfsosp
tive media The invAriable deduction
b tia; III. electrical excitement II ain
ply psoportioaed 10 the amount Of iighk
The mast luminous rays have ihe nsas-
est power. yellow much exceeding the
other colorei rayA Counting the power
Of yellow 1t Is. that OF green blue Il
only 10: decided blue. :. light blue. s.
What makes the matter more CALLING 10
tia; Prof. Roberts does not say . word
about blue giA~-
eAs EsDs 0saa
Prof. Politser recently pu; before The
Medical Society Of the Vienna Garrison
some new proofs Of the . Of both ears
In determining the direction OF sound.
People who are deaf In one ear make
strange mistakes when out hunting. -
they are apt TO suppose that any sound
comes from the direction toward which
the ear they hear with may Be turned A
neat little experiment. easily tried, wA
devised by Prof. PolitzeF. Above the top
Of the head Of person whose eyes are
bandaeed. = watch. ticking loudly II 10
be passed. The blindfolde1 person will
be unable TO say certainly whether the
watch Is above. before. or behind his
head. When one of his ears Is closed.
the watch seem TO be nearest 70 the
other ear; and this impression will still
be perceptible even though the bandAge
be removed from his eyes. The source
Of sound il in general referred 10 \
point on the right or left, according As
either ear hears most loudly.
The feis phoss.
The Telephone, invented by Professor
Bell of this city. IL not . complicated
apparatus. The terminals Of the tele-
graph wires are attached to compounded
magnets. which are connected by means
Of coils Of wires. with a metallic dia-
phragm, having . mouth piece for the
concentration of sounds. The vibra-
tons Of the voice induce modulations.
which traverse the wire to its terminus,
whore they are again resolved into
air mOdulatiOns producing the words
spoken. The experiments with the tel
ephOne thus far have been very sue
cessful. and it would seem that soon We
shall be able to actually converse with
a friend many miles from u~s-perhAps
on another continent. for we have but
to speak through this instrument, and
he hears us.-Ne,D Engiond Journal Of
Education.
Voyages Of scisstiAc Discovery.
The notion Of voyages around the
world for scientific study has extended
to France. A society has been organ
lied to carry out this object. The Pres
ident, NJ. Emile Levasseur. is a member
Of the Institute. The Board Of Direct.
Ors also includes q viscOunt, a baron and
a naval lieutenant. There is attached
a consulting committee. OF which the
chairman is Ferd. de Lesseps, Of Suez
Canal fame. The other members of the
committee are the naturalist, GeOfYroy
Saint Hilaire; the botanist, Du Chartre;
p. Schwaeble, the Director Of the Paris
High School Of Commerce.; the physi.
cist and astronomer, Jansen: and DR..
LiOuville. an expert in hygiene and cli-
m%atOlORy. The intention il TO get every
thing in readiness for a voyage to last
q year. The expense is to be paid by
the tourists, who subscribe, and Is esti.
mated at $1,000 to $1,000 apiece. 1t il
supposed that the honor of going under
such distinguished auspices will have
due weight. Doubtless the society will
be able to furnish unusual facilities for
scientific investigation a well a for
the pleasures of sight seeing and ex-
tended travel.
Care Of the Pest
Concerning this subject the Scientific
American very truly says: MANY are
careless in the keeping Of the feet. II
they wash them once aweek they think
they are doing well. They do not con.
slider that the largest pores are located
in the bottom of the foot, and that the
most offensive matter il discharged
through the pores. They wear stock
ings from the beginning to the end Of the
week without change. which become
perfectly saturated with offensive mat
ter. Ill health Is generated by such
treatment Of the feet The pores are
not only repellants but s~bsorbents, and
lee19 @att1 IL: extent
q taken back into the system. The fest
should be washed every day with pure
water only. a well a the armpits. from
which an offensive Odor Ii also emitted.
unless daily ablution il practiced. Stock
ings should not be worn more than .
day or two At . time. They may he
worn one day. and then aired and sun.
ned and worn another day II neces.
sary."
oeA Eye-0lGhe
There are many causes which tend to
impair the healthy vigor and rsdient
beauty Of the eye. Among these causes
arc the following: insufficient sleep.
evere study. writing and reading by
gas light reading in bed, painting the
eye lids and i'll health. We see the Ore
Of alcohol in the bleared eye y well -
IN the nCan NJ tho NvunksrA An k;nds