Democratic Northwest. [volume] (Napoleon, Ohio) 1869-1894, 1889-06-06
SCIENTIFIC AND INDUSTRIAL.


,esult of over-feeding..
A successful photograph was taken the
,ther day by the light of Cuban FREELY.
Smokeless powder is being produced
large quantities at Rottweil, Ham
burg.
Living bacteria, in considerable num-
oers, may always be found in snow, and
hey resist extreme cold.
Suspension for one to three minutes,
;hree times week, is a new way Of
Teating locomotor ataxia.
There is lake of petroleum in Utah
md several thousand tons of asphalt in
'ne deposit. 1t is worth $40 per ton.
An English firm has just brought out
new sensitive-Aame burner, which can
De extinguished entirely by loud noise.
Belgium's zinc manufacturing business
las developed until one-third of all the
zinc used in Europe is made in that coun,
Ty.
The Cape Peninsula, South Africa, in
IN area of 500 square miles, contains
1850 species of plants, of which 102 are
orchids.
A number of new sugar factories will
be started in Kansas this year, and the
mgar product will be many times greater
:han it was last year.
At the International Exhibition OF
Botany, to be held in Antwerp in 1890,
will be celebrated the three-hundredth
anniversary of the microscope.
The system to relieve street traffic in
Paris, as proposed by NJ. Berlier, consists
substantially of system of subterranean
;ast-iron tubes, 1874 feet in diameter and
about ten miles in total length.
1t is estimated that sixty-six per cent.
Of the anthracite coal is wasted before it
gets to market. Fifty-fve per cent. has
to be left in the mines for pillars, and
eleven per cent, is lost after it gets above
ground. :,
Lakes in eastern Oregon and Nevada
are drying up in consequence of the
divergence of their waters for purposes
of irrigation and continuous drought.
A number of large lakes have diminished
many square miles in area.
One volume of liquid benzine will rem
der 10000 volumes of air infammable
and 5000 volumes of air highly explosive,
but nothing but contact with flame or a
white hot body will touch off the most
explosive mixture of petroleum vapor and
air.
After twenty months of trial DR.. E.
Houze, of the Hospital St. Jean, Brus-
'els, reports tannin the most beneficial
substance in consumption he has known.
After the first few days expectoration,
'weats and cough diminish, and the
appetite improves.
In engraving on glass by means Of
electricity the plate to be engraved is
covered with concentrated solution of
nitrate Of potash and put in connection
with one of the poles in the battery.
The design is traced out with fine
platinum point connected with the other
pole.
The perfect combustion of coal seems
20 have been effected by Mr.. William
Gibbs, of Essex, England. By means of
fan and suitable openings the exact
quantity of air necessary is supplied to
the furnace chambers, and the products
Of combustion issue as hot air, free from
smoke or odor.
Professor ]. W. Mallett finds that most
alum baking powders ale made with
alum, acid phosphate of calcium, bicar-
Donate of sodium and starch, and he
settles disputed point by showing that
not only alum but the residues left by
its use in baking powder must be un-
wholesome in bread.
A French scientist has found nine
forms of microbes in the juices of
healthy stomach and concludes that they
play an important part in digestion.
Every stomach seems to be little in
habited world in itself and sometimes the
population appear to indulge in revolu-
ton which may be fun to them, but
plays the mischief with the owner of the
organ.