The spirit of democracy. [volume] (Woodsfield, Ohio) 1844-1994, 1873-10-28


Ruby-red glass is better than yellow
glass for the windows of photographers
dark rooms the latter does not absorb
all the blue rays. !
In recent Cantor lecture the Rev.
A. Rigg calculated the power of the
heart to be equal to- lifting itself through
distance Of 10000 feet in one hour;
which would he neatly equal to placing
itself at the top Of ST Pau's Cathedral
fifty times in one hour.
A papyrus manuscript found in an
L Egyptian tou,b has lately been transla-
ted by scholar OF Heidelberg, who
pronounces it to be the address OF Ram
ses HI to all the nations Of the earth,
detailing infinitely all the causes which
led to the exodus of the Jews from the
land Of the Pharaohs.
A new patent glass-cutler has been
introduced hy Messrs. Dockrell of Dub
lin. 1t is said that it will cut glass Of
any thickness equally as we'll as the or
dinary diamond, can be purchased for
one-fourth the price of that instrument,
and the unskilled laborer can use it with
as great facility as the skilled mechanic
As an illustration of animal instinct,
correspondent of Nature notes that
on one occasion, while he was waiting
at an inn door, he noticed some pigeons
feeding on the oats which had fallen
from the nose bag of horse in the
yard; when, however, the supply was
exhausted, large "pouter" would fly
up and flap his wings in the horses
face, thus causing him to upset his food
by shake Of the head; wheu the sup
ply was again exhausted the stratagem
was repeated.
To change the color of natural How-
ers. place them in glass funnel, which
is inverted over plate containing few
drops of sal ammoniac solution. After
a few minutes, blue, violet or carminc-
colored flowers change to green; dark
carmine flowers become black; white
change to yellow. They. retain these
colors some hours By treating simi.
larly with the hydrochloric acid, many
flowers may be colored lasting red.
A Canadian has devised method of
producing gum from the milkweed
plant, or other plants of the asclepia
family, and flax and other seeds, which
consists in macerating and fermenting
the substances, and then, by eyapora-
fion, reducing the resulting liquid to a
thick gummy mass. The gum thus OBJ
tained may be cheaply produced, and is
said TO have many of the valuable quail.
tiles of rubber. 1t is insoluble in wa.
ter, may be vulcanized with sulphur, DC
It appears that the Prussian govern.
ment has become alarmed at the increase
Of the German emigration to America
and has elected law prohibiting all
departures from northern Germany 'af
ter the age of II. This year the limit
is fixed st 10 years, and next year i,
will be reduced to Is, and then to IT,
The Germans themselves do not believe
that .he measure will stay the exodus
Persons breaking the law will simply
lose their national rights. and will be-
come naturalized as Americans.
An inventor has demonstrated that /,
is not necessary to groove rife barrel
along its whole length in order to ge,
good results in shooting. About fonl
inches at the muzzle are grooved-al
the rest is smooth, by which the initial
velocity Of the bullet is much greater
than in barrel grooved from breect
to muzzle, and the flight of the bulle
Is more direct, or, as shooters say, i
has iatter trajectory. 1t is found ir
practice that the few increase Of groov
= ing at the muzzle are quite sufficient tt
set the bullet spinning.