The Forest Republican. [volume] (Tionesta, Pa.) 1869-1952, 1891-09-23
SCIENTIFIC AND INDUSTRIAL.
Porpoises arc said to exist in LAX,

Porpoises arc said to exist in Lake
Nyanza, Africa.
Pleuro-pneumonia seems to be quite
prevalent in Great Britain.
The atmospheric pressure upon the
body of a moderate-sized man amounts
to about fifteen tons.
Leading European physicians express
the belief in very positive terms that
Bright's disease is curable.
A civil engineer has been looking
Niagara Falls over, and his conclusion is
that it is good for 5000, 900 years.
Waste sawdust aud shavings are being
utilized by Mons. Claimant, of Paris,
France, for the production of fine vege-
table charcoal.
The cracking sound Of freshly ignited
wood or coal is caused by the air or
liquid contained in the pores expanding
by heat and bursting the covering in
which it is confined.
NJ. Adler, of Paris, after expending
more than 500, 900 on flying machine,
has produced one in which he flew about
100 yards. He says it is propelled by a
"combination of vapors."
The addition of compound called
stepanite to the charge of iron and coke
in a furnace changes the output to
compound of iron and steel without
changing the metal to any further treat
ment.
Experiments upon tho phosphores-
cence of gems shows that it varies &c.
cording to the origin of the stone
Cape diamonds show blue; Brazilian
stones red, orange, blue, or yellow; and
those from Australia yellow, blue, or
green.
The great seltzer spring at Saratoga,
N. Y, has been sounded to a depth of
5000 feet without touching bottom or
encountering any obstacle, This strength.
ems the belief that this great northern
summer resort is built over a subter-
ranean sea.
England supplies tho plant for the
vast new harbor works now in progress
at Yokohama, Japan. The quick. firing
guns now supplied to the japanese navy
are also of British make, and it is in
England that the japanese order their
railway plant.
"Guyacol," an extract from boxwood
and the active principal of cresote, has
been successfully used by DR.. Max
Schuller, Of the Berlin University, for
twelve years in the treatment of tuber-
culosis, affecting the joints, bones,
glands, lupus, etc.
Smokeless powder was used at the
Wimbledon England) volunteer review
before the German Emperor with great
success. The guns emitted brilliant
red flame on the discharge, unlike the
smokeless compound adopted in France,
which produces pale flash resembling
the electric light.
A new system of house-wiring for
electric lighting consists of fitting the
building with continuous tubes of insu-
lated material, through which the wires
are drawn. The tubes are made of
paper soaked in a hot bath of bitumin-
Gus material, and are said to be hard,
strong and tough.
The French manufacture paper linen
so cleverly that it is almost impossible
without examination to detect the diff
ference between it and damask; and
even to the touch the articles made of
papier lingo are very much like linen,
and are used for many purposes to which
linen is applicable.
Through experiments made by Eng
lish military authorities, it has been
found that whenever the atmosphere is
laden with smoke or mist the power of
an electric light is greatly diminished by
crossing the beam of light by that of an
other at certain angle. At the point
of intersection the illuminated space is
practically made a screen.