The Forest Republican. [volume] (Tionesta, Pa.) 1869-1952, 1892-03-16
SCIENTIFIC AND INDUSTRIAL.

oOihiohAuuh 10 MOAbh SlAty NlulCS lts
weight in gold.
A light steel telegraph pole has been
patented by Wisconsin man.
To extinguish an oil fire, bran or any
kind Of mill feed will be found effective.
An Athens (Greece) student asserts
that Hippocrates and Galen used antisep-
tic dressings for wounds.
Sixty gas motors were shown at the
last Paris (France) Exposition. In 1868
only three were exhibited.
A telephone wire has just been COM
pleted between Melbourne and Adelaide
in Australia, distance Of 500 miles.
A curious fact, common to England,
France and Germany, is the special Sc
verify Of tho grip epidemic at the sea-
side.
A few years ago the Belding Brothers,
silk manufacturers of Northampton,
Mass, sunk we'll at their silk works to
the depth of 300 feet without obtain.
ing water.
Hot water taken freely half an hour
before bedtime is helpful in the case of
constipation, and has most soothing eff
feet upon the stomach.
The mean descent of the Ohio River
from the junction of the Allegheny and
the Monongahcla to the Mississippi is
about 81 inches per mile, the distance
being 975 miles.
London (England) streets are now
paved with new compound of granu-
lated cork and bitumen pressed into
blocks and laid like wood paving. The
especial advantage of the material is its
elasticity.
Good peat in Germany furnishes cell
lulose which is valuable to paper makers.
Besides serving as wholesome litter for
live stock, 1T is also used to preserve per-
ishable goods. Meat and fish are now
packed in peat litter for transport be.
tween Trieste and Copenhagen.
By the subjection of ordinary air to a
pressure of seventy-fve atmospheres, or
1924 pounds, with condenser kept at
minus 13O degrees centigrade, air has
been reduced to liquid form, aud the
liquid, when allowed to evaporate, pro-
duces, it is said, a temperature of minus
200 degrees centigrade. This is within
seventy-three degrees of absolute zero.
Shad are of different families, which
come from the ocean to the rivers to
spawn. The shad of Florida are not the
same as those of the Hudson or the Con-
necticut or the Susquehanna. The same
fish come each year to the particular
river where they were born, and in their
appearance are slightly different. Each
river is the home of separate colony.
A number of magnetic foci have been
found in the Alps by Signors Sella and
Oddone, the rocks with distinctly mag
netic properties being magnetic, serpen-
tine, ,diorite and syenite. A magnetic rock
on Ponta Giufetti showed traces of fu-
sion, as If it had been struck by light
ming, and it is suggested that this cir.
cumstance has given the rock its mag
netic properties.
A tube inserted in the throat of a
child suffering from membraneous Group
gave relief, but had disappeared when
the physician, DR.. j. Bleyer, came to
remove it. 1t was located by passing an
electric probe through the larynx,a click
being heard in connected telephone
receiver when the tube was touched. It's
exact position being known, it was sue
cessfully removed by 5racheotomy.
A speaker at the recent International
Congress showed by experiments upon
school children when three or four sums
in arithmetic were given in succession,
that each sum showed an infenority to
the previous one, both in correctness and
as regards the time in which it was COM
pleted. The one faculty employed was
gradually exhausted, a fresh piece OF
evidence showing the necessity for di-
versity of work.