Clinch Valley news. [volume] (Jeffersonville, Va.) 18??-2019, 1889-03-08
POPULAR SCIENCE.

Woodworking Parisians average less
IN stature than their idle neighbors.
The sounds of the heart have been re-
corded and reproduced by the phono-
graph.
To remove rust from steel. take one
half ounce Of emery powder mixed with
one ounce of soap and rub well.
a French subterrancan river has been
explored for mile or more by NJ. Martel,
who derives from his Investigations q
theory of the origin of canons.
The progress of the science of making
perfumes is SO RAPID IN America that the
manufacturer will soon be independent
of flowers for his swect-smellips csseno es.
Professor Ayrton estimates that the
power wasted at Niagara Falls exceeds
that which could be produced By the
annual consumption OF 10, 0U0, 00U tons
of coal.
The microscope often reveals impuri-
ties in diamonds, partic es of organic
matter and bubbles OF gas being common.
Quartz, chloriic, pyrite, hcmatitc and
TOPAZ have also been seen.
hydrogen is shown by experiments of
DR.. Is. w. Richardson to be neither an
anaestheiic nor hypnotic, but if inhaled
so rs to bc taken up by the blood it
quickly Kills warm booded auimals, but
suspcndS life in cold bloodcd animals for
long time before actually destroying it.
NJ. Spring, the French physicist, finds
that the preservation Of rails in use IS
not the result of vibratory motion, or of
an electric action produced by the pas
sa9c of the trains, hut is due 10 tho
formation ul Il coating of magnetic oxide
by the compression Of the rest on the
metal.
Langley finds that hardly one fourth
OF the solar energy, us we receive it, is
visible; while Hertz astonishes the Ger
man physicists by showing that, although
the visible violet rays of the spectrum
have no influence on electric discharges.
the descriptive effects of such discharges
are increased by the dark ultra violet
rays.
The British he 'icI ,Ioarnoi mentions
n re- ort made To the Central Board OF
Health ut Melbourne, Australia, dcscrib-
ing an outbreak Of Iii rithcria in which
he cases occurred almost simultaneously
i'll the mel .hborhool of Daylcslord. The
local health o'ccr's report presents
strong prima facic evidence that the
children contracted The the disease from
cats, numbers Of which animals were
dying in the ncighborhood.
a variation OF nr O. j. Lodges cx-
perimcnts on the electric deposition of
dust has been tried by NJ. Sorct, of
Geneva Steam submitted to electric
discharges wGS instantly precipitatcd,
and when the pole of the Gle, tric ma
chine was SUI GENTLY near the surface of
the water--thc other pole being attached
to the platinum cup used for the boiling
the steam was condensed us rapidly
rs formed presenting the anomaly of
stcamless boiling water.
The wave motor. which was begun at
Point I.obos, Cal. about three years ago,
is nearly completed AS de, cribed BY n
San francisco paper "it is machine
for utilizing the dashing in Of the waves
by turning their power into practical use,
such rs furnishing water for sprinkling
the streets, flushing the sewers, and even
driving cable cars. Only one piston has
been put in rs yet. This pumps at the
rate of three barrels minute. The
motor will run from eighteen to twenty
hours per day, and if the wind and tide
are favorable can be worked throughout
the whole twenty four"