Evening capital. (Annapolis, Md.) 1884-1910, 1891-12-24
scIESrIFlo AND USEFUL.


it is stated that the London Times is
printed from stereotype plates made upon
type set by machinery of American in
vention. Inventive Age.
After many trials il is now shown that
color can be given to cotton while grow
ing. aud beautiful red variety of this
article is now being raised in Georgia.
Science comes to the front in the man
ufacture of grindstones. The best now
made are composed of mixture of pull
Seri2ed quartz, powdered flint, powdered
emery, and rubber. They outwear 10y
many years any natural stone.
The new Maxim flying machine viii
be propelled by light screw making
2,500 revolutions per minute. Its sus-
pending power will be kite 10 feet long
by 40 feet wide. The motive power will
be petroleum condensing engine.
Meteors Of various sizes reach the
earth in many places. The largest
known is that which fell ON the plains of
sncumaa, la South America, which
weighs about 15 tons. A recent calcula-
lion shows that the increase Of the earth's
weight annually from meteoric sources
is about 90, 900 tons.
The recent invention at Arbon, Swiiz-
ei!and, of a new steam machine for
| making embroideries threatens To revo-
lutioniee the most important manufaetur-
ing interests of the Swiss republic. East.
ern Switzerland, with st. Gall as a center,
for 100 years has been headquarters of
the embroidery industry of the world.
Miss Amanda Jones, who invented q
new process of fruit canning, by which
all kinds Of food can be kept without
cooking or the use of chemicals, has re-
fused to sell the fruit Gamers the right to
use the process. Miss Jones says that she
will never permit the process to be used
so long as women fruit Gamers are pnid
about 81 week.
An ingenious application of electricity
for ventilation has been brought out in
France An electric fan furnishes the
current of air. which can be cooled by
means Of ice or other cooling agent. II
hot air 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 be-
ing practiced in Worishofen, Bavaria.
The treatment is the outcome of the study
of an old priest. and consists chiefly in
spraying water over the body in various
places, dressing at once without drying
and brisk walking Immediately after
ward The diet is carefully attended to,
and thousands have been cured of ner-
vous troubles which had defied all pre-
vious physicians.
DIR. Mitcherlich has invented stuff
made from the fibers of wood. Thin
boards with the knots taken out are
treated with solution of sulphuric acid
in a hollow boiler. Not only the hard
matter, which is the cause of the brit
tleness of wood fibers, is eliminated by
this treatment, but the fiber itself is
chemically transformed. 1t is bleached.
and becomes silky as well as strong and
elastic. 1t is then treated in the same
manner as any other goods, that is,
combed, spun, and finally woven into
stuffs OF exceeding fineness and differ
ent varieties.
Waterproof cellulose paper of one and
two colors is being introduced by Ger
man firm for various uses, such as table
cloths, bookbacks, and temporary cover
for roofs, and for packing goods. 1t is
much cheaper. than parchment paper,
and does not become sticky by heat, nor
crack from cold.
The latest craze in Paris is for steam
carriages. Daily Comte Greenfulbe, who
was the first to have one built for his
country seat, is seen experimenting
about the streets with the Prince de Sa-
gau and the Prince de Polk. The vehicle
is in the shape Of a phaeton, and is
worked by an instantaneous steam gen.
orator, and there is no smoke or steam.
A speed can be obtained Of from 25 to 80
kilometers, or maximum OF Smiles an
hour-Paris Special in New York Her
aid