The Waco evening news. [volume] (Waco, Tex.) 1891-1894, 1893-04-22
SCIENTIFIC MISCELLANY

even temperature, aud are consider
ed great preventive of colds.
A Japanese novelty is "glass pa
per-" which il said to combine won
derful transparency with unusual
strength and tenscity. The mater
ial for making it is furnished by a
japanese sqaatic plant.
An electric deck planer has been
made for an English shipbuildlng
firm. 1t resembles lawn mower
in form and is handel in the same
way, don good work much more
rapidly and easily than it ca1 be
done by hand.
Sacch arin las rival. A new
substance called valzin is now being
manufacture in Berlin under a
patent, and is claimed to be 200
times sweeter than sugar, and free
from Ger, ain Objectionable proper.
ties of saccharin.
1t has been noticed that persons
using vinegar and oil as regu ar ar.
ticles of diet are seldom attacked
by cholera, and later investi 9 ,tion
proves that the comma ba illus"
is quickly destroyed by weak vine
gar.
A German method of protecting
iron and steel from rnst consists in
coa!iug them electrolyticaliy with
pero xlde of lead. A suitable coat.
ing can be applied in twenty min.
utes, and the temper of steel articles
is not affected.
A somewhat widespread belief is
that water can be heated on Y to
2l2 deg Fair. This is true Of I'M
confined wafer, but under pres
sure of ten atmospheres (l5o pounds
to the square irch) the water may
be heated to 359 degrees, aud I'M
der sixty I'm spheres 55l degrees
may be reached
The E.RrH's DIVISIONS After
long study of the e.rth's political
geography, DR.. A. Opel has con
Guided that about !, 700, 900 square
miles are uninhabited or owne rless,
and about 600, 900 .q1are miles
more are without settltd govern
ment. The rema ming 45, 900, 600
square miles are occupied ty
seventy five definite states, most OF
them so insignificant that the
eighteen largest take 40 eighty.
seven per cent of the whole area.
TWENTIETH CE<ruRY AGRIcUL.
ruRE The belief Is gaining
siren 9Th that the model farm of the
future will be an electric one. The
necessary current can be had by
utilizing the wasted forces Of ma
ture. the waterfall being sufficient
in many places, while in others
windmlls can he used in connection
with storage batteries. Inventors
are undoubs dly cay able of adapt
ing electric machines to every kind
OF farm work. With we'll made
roads, electrically lighted houses,
and we'll planned equipment of
electric machinery, including, pos.
sibly. electric carts and carriages,
the lot of the tiller of the soil will
be greatly improved.
A PEACgARGUMENT Or MILITIA
BY ScIENcE.-The trite saying that
great war can no longer be afford.
ed is given gre ater significance than
ever by the descriptions of the new
field piece of the German army.
This is pronounced the most terri.
bic destructive engine of war ever
produced, and is q three-inch gun
which can be loaded and fired in
one-third the time required for the
old gnn, and with almost double the
precision. Explosive shell is the
only projectile. This is charged
with new powder of secret compo-
sition that scatters thous ,nds OF
splinters over a circle of eco feet,
whereas during the Franco German
war the pieces of bursting she'll fell
within circle of 20 or 50 PAGES
and not more than or were
wounded.
DELICATE HEAT Measurement.