Clinch Valley news. [volume] (Jeffersonville, Va.) 18??-2019, 1892-02-12
POPULAR SCIENCE.
ph0togtaphing on metals BY el.ctrici..

Photographing on metals by electricity
is announced.
Leading French writers are using green
paper for manuscript, as it is less fatigu-
ing to the eyes than white.
OF the 1900 species of mushrooms
known to science only 1874 varieties may
be safely regarded as edible.
Brown bread is said to furnish more,
bone, muscle, and blood to the human
system than any other variety.
Paper is being made, by the ordinary
process, from corn husks which have
been boiled in caustic soda and pressed.
| A meteorite, found u few weeks ago in
the rotten stump of willow tree at Lysa-
bid, Denmark, was seen by the finder tc
to fall into the tree in August, 1S43.
Scientists find evidence of primitive
savagery in a custom in almost universal
use among the criminal classes of tattoo
ing emblems on different. parts of the,
body.
An important discovery, by means OF
which ordinary soft steel can be readily
used for all kinds of tools, has been made
by man in Pennsylvania The process.
is still secret.
An egg not long ago laid by blue
AndalusIan hen at Bradford, England,
contained the usual yn!k and white and
q heshy substance resembling heart.
The weight of all was d ounces.
A block of pure asphaltum, weighing 3,
tons, was recently taken from the us.
phaltum mine near Santa Barbara, Cal.
1t is believed to be the largest piece of
asphaltum ever mined in one block.
From recent investigations made in the
Pennsylvania University Veterinary
School 1t was shown that the chief cause
of consumption came from the use of the
milk and flesh of tuberculous cattle.
Au English astronomer has arrived at
the confusion that the age of stars can
be determined by their color. Red stars
are the latest formation, white next.
and those of q blush ting the most
ancient
The manufacture OF artificial bitter
almonds is continually Interesting, and
they eau hardly be detected from tho
genuine. They consist chiefly of grape
sugar favored with Il small amount OF
nitrobcnzolc.
In photograph of the heavens now
in course of preparation at the Paris
Observatory, it is calculated that GO, 900.
600 stars will be represented. In the
nebulG of the Tyre, Mr. liailand took a
photograph 4x5! which reveals 1890
stars to the naked eyc
The street sounds OF the PRINCIPAL
European cities are to be photographed
simultaneously with the photcgraphing
of the occupants of the street. This
may enable lecturers TO reproduce both
sights and sound by means OF lantern
and the phonograph used together.
Japanese lacquer trees, planted in Ger
many sixteen years ago, have thrived
wonderfully. The juice from one of
them was recently sent to Japan to be
tested, and similar test is being made
in Germany. Should the result be what
is hoped, new industry will soon be
inaugurated in Germany.
A simple and practical method of
applying electricity to ralroading has
been invented by French electrician.
The steam engine used supplies the
electric power to motors in each car of
the train, and not to the locomotive
proper. This relieves the tremendous
strain on the driving wheels OF the loco
motive.
All sounds, whether high or low loud
or soft, travel ut precisely the same rate,
/. c., about 100 feet second. Were
this not so the different notes of music.
would reach the car at different ii mes,
and the result would be confusion Instead
of melody. If the sun gave forth sounds
loud enough to reach the earth such
sounds instead of reaching us in the space
ofabout eight minutes, as light does, would
only arrive after u period of nearly four
teen years.