The Cheyenne daily leader. [volume] (Cheyenne, Wyo.) 1870-1884, 1881-03-04
SCIENTIFIC.

Avine with tuberous roots and herb
aceous stem has been discovered by NJ.
I.eeard In Soudan. 1t yields abundant
and delicious grapes.
Hufner has obtained from putreseent
blood long purple-red crystals of pemo-
globine, many of which were above q
millimetre in length
Capt. Lawson. when in New Guinea,
found that Mount Hercules was 81, 1856
feet high. If his calculation is correct
that mountain must be taken, in the abb
sence of other and moro accurate de-
examinations, to be the highest in the
world.
If steel be left long III the fire it viii
lose its steely nature and grain and as
sumo the nature of cast iron. Steel
should never be kept hot any longer
than Is necessary for the work to DO
done.
A very large vacuum-pan has been
made by a firm in Chicago for a Cali
fornia sugar refinery. 1t holds 1900
gallons, yields at each s'strike' from
250 to 260 barrels of dry sugar, and has
II heating surface of 1000 square f~ei
in the inclosed copper coils.
The simultaneous injection of SUI
phuric ether, in three-drop doses. at i'll
tervals of twelve hours, is recommend
ed by DIR. Comegys for the successful
treatment of sciatica; and ho TIL AXIS
that the substitution of ether for ergo
tine in dealing with tic-dolorcux would
give good results.
As the cold produces change in CIR.
ganic substances closely resembling
those caused by heat, a Hungarian
chemist proposes to cook fresh beef by
exposing it to a temperature Of SO de-
grees below zero. 1t is then placed ia
Theoretically sealed cans, and is thrs
preserved in perfect condition for a lorg
time.
Large quantities of pottery are man
ufactured in Brazil from the hard, 81.
licious bark of the caraipe tree. In the
process the ashes of the bark are pow
dered and mixed with the purest clay
that can be obtained from the bed o.
the rivers-this kind being preferred
as it takes up a larger quantity of the
ash, and thus produces . stronger kind
of ware.
While Prof. Graham Bell was con-
Quoting some new photophonic expert
ments in Paris a short time ago, usins
the light from the electric arc as hS
means of transmission, he found tia,
all the irregularities and vibrations of
the light caused d sort of murmur 10
the telephone receiver, but, atthe sam.
time, articulate speech was heard su-
perimposed, as it were, upon tie
voice. of the arc.
A comparative analysis of the statis-
tics presented in the suicide records o:
France and Sweden has been made By
NJ. Bertilion, of the Anthropologica'
society of Paris, with the result of c.
tablishing, on what he thinks quite sat
isfactory evidence, tho two following
laws: /. Widowers commit suicide
more frequently than married men. 2.
The presence and influence of children
in the house diminish the inclination To
suicide in men and women.
There has lately been turned out al
Mila7 q new kind Of bread made with
blood from raw flesh. 1t is said to be .
preventive of scurvy, and to do away
among peasants with all desire for al
coholic drinks. The difficulty Of blood
coagulation being overcome. the ..blood.
bread will last for years. Twenty per
cent. of its Ingredients consist of blood.
its cost is only ~two-thirds OF a cent per
loaf, and it is more nutritious than tho
ordinary loaves at n cent each.
Siemens and Halske, Of Berlin, are
now constructing an electric railway be.
tween Lichterfelde and Telton with q
branch line to Crosse K~adettenhaus.
These same men have Just patented 8
hammer and rock-borer propelled di.
rectly by electricity. A rod Of iron Ct
soft steel moves within the axe Of three
coils. A constant current in the mid
die coil magnetizes the rod, and alter
mating currents through tho other coil
cause the rod to be forced in and on
with great rapidity.