Clinch Valley news. [volume] (Jeffersonville, Va.) 18??-2019, 1891-12-18
POPULAR SCIENCE.

Phosphorus is now being made by
electricity.
Electric soldering irons are extensively
used in canning establishments.
Cases of tuberculosis arc a commor
result of occupying the room of con.
sumptive.
At Toxic, Japan, concern employ,
an electric motor instead of steam fol-
operating planning aud drilling machines.
A new mode of furnishing power to
motor engines by mixing steam with no,
gases is creating great deal of interest
in English circles.
An arc lamp of about 1000 candle
power will. when placed about thirty
five feet above the earth, light up in an
area of 400 feet radius.
India ink is made from fiue lampblack
compacted aud cemented with glue.
The finest black is derived from pork
fat. The glue is made from buffalo
hide.
The European demand for American.
made carts and light vehicles has greatly
increased. 1t has also been found
cheaper to send them across without
painting, leaving that to be done
abroad.
Investigations carefully made in the
Pennsylvania University Veterinary
School tend strongly to establish the
Tact that the milk and flesh of tubercu-
lous cattle are almost the sole cause of
consumption.
Professor Carcot, the eminent lecturer
on nervous diseases in Paris, has sue
reeded in obtaining enlarged photo.
graphs of the brain under various con-
ditions of the disease, result of great
scientific value.
The danger of conveying infection by
lancet or needle having been pointed
out, French surgeon propose, vaccinat-
ing with ordinary steel pens, specially
pointed. Being inexpensive, fresh pen
can be used for each operation.
A patent has recently been taken out
for the manufacture of good substi-
tute for ivory. The ingredients used
are mostly those of which natural ivory
is composed, and the addition of differ
emit coloring matters enables objects of
any desirable shade to be produced.
The aquatic plant, tho bladderwort,
eeds on animal life. The tiny bidders
attached to the leaves and leaf stalks arc
each furnished with door, the whole
acting on the ccl-trap principle. Any
small water creature that ventures to peep
in is seized in the clutches of the murder.
Gus plant and is ut once swallowed and
nssimiated.
The phenomenon of the "green ray,
or flash of green light seen when the
suns upper limb rises from or sinks be-
hind the sea horizon, has been lately OBJ
served By Mr.. G. Mostyn in the Southern
Ocean. He says it is best ut sunrise,
because the eye is not fatigucd with
watching the glowing disk of the sun, us
it is likely to be at sunset.
An ingenious application of electricity
for ventilation has been brought out in
France. An electric fan furnishes the
current of mir, which can be cooled by
means of ice or other cooling agent. If
hot mir is required, electricity is sent
through series of meshes of wire, whose
high resistance causes it to become hot,
and the air passing through these is given
the heat required.
A novel cure for nervous diseases is
being practiced III W"rishofen, Bavaria.
The treatment is the outcome of tho
study of an old priest, and consists
chiefly in spraying water over the body
in various places, dressing ut once with
out drying, and brisk walking immedi-
ately nfterward. The diet is carefully
attended to, and thousands have been
cured of nervous troubles which had
deiied all previous physicians.