The Republican. [volume] (Oakland, Md.) 1877-current, 1890-07-25
SCIENCE AND INDUSTRY.

The sales of Dresden china at the
$475, 600, the greatest sum ever realized
il a single year.
To coat tin dishes to withstand the
action of chemicals used in developing
and toning photos, use quick-drying
asphalt varnish, as that for bicycles.
The highest military authorities
have determined to build in the neigh.
borhood of St. Petersburg large fac.
tory for the use of smokeless powder
One hundred boys and girls of Wood.
land, Cal, whose ages range from twelve
to nineteen years, have formed Co
operative Fruit Canning and Drying
Union.
1T is reported that an effort is being
made at Atlanta, Ga, to organize com.
pany with 100000 capital to establish
newly-invented system of electric me
tive power.
1t has lately been shown that if two
coins are placed on opposites sides Of !;
plate of glass and electrified for two
minutes they will leave perfect image
of themselves upon the glass.
Herr Meyer, in a recent address in
Heidelberg, announces than we may
reasonably expect that chemistry will
teach us to make the fibre of wood
source of human food. Wood fibre con-
sists essentially of cellulose, from which
it is hoped to make starch.
"A thermometer valued at ten thou.
sand dollars-the finest in Americas
among the instrumental resources of
Johns Hopkins university. The gradua-
lions on the scale are so fine that
microscope is necessary for reading them.
The latest report states that twenty
one observatories are now engaged in
the international undertaking of photo
graphing the entire heavens. Each OBJ
servatory will have to take about 700
photographs in the zone assigned to it,
and it is hoped to finish the work in
three or four years.
There is talk in France of utilizing
watercourses as a railway motive power.
1t is proposed that the track shall be
laid on an embankment in the middle Of
the current, and that the locomotives
shall have two paddle-wheels dipping
into the water and revolyed by it.
In his electrical treatment of wart,
DR.. Patrick, of Oppeln, first moistens il
with warm solution of salt, then
thrusts both needles through it just
above the skin, and gradually turns or
the current until pain is felt. Five
cells are sufficient battery. In mos!
cases two sittings of five minutes each
destroy the wart. which gradually dries
up and falls away.
M. de Malarce recently informed the
French Academy of Sciences that the
use of the metric system had in 1887 be
come compulsory in countries having ar
aggregate population of 302, 900, 600
being an increase of 53,000,000 personi
obliged to use it in ten years; use wal
optional in countries having nearly 81,
600, 900 inhabitants; and it was legally
admitted and partially applied in coun
tries having an aggregate population Of
395, 900, 600.
An important advance in surgery
the successful substitution of catgut,
ivory and bone for defects in bone,
muscles and nerve sinews-was illus.
trated by Prof. Gluck at the surgical
congress at Berlin. The inserted ma.
terial sucks up the juices of the body,
establishing the junction of the sepa.
rated ends without any shortening OF
the part. Prof Gluck presented cases
in which mobility had been restored to
defective fingers-a hitherto impossible
feat-by insertions of from two to four
inches of catgut; a case in which the re.
moval of tumor from the thigh had
left defective bone, which was RENE
died by the insertion of ivory, shorten,
ing being prevented; and case in which
a large piece of nerve in the groin had
been replaced with catgut, with no
serious impairment of functions.-Ar-
kansas Traveller.