The Forest Republican. [volume] (Tionesta, Pa.) 1869-1952, 1891-12-09
SCIENTIFIC AND INDUSTRIAL.

Coffee mills are run by electricity.
instantaneous photographs show lip
movements.
The experiment is about to be tried
in Chicago of running double.decked
street cars.
A street railway system, to be operated
by compressed air, is to be inaugurated
in Leavenworth, Kan. The power will
also be applied to factories.
The phonograph has been applied to
the telephone, so that any conversation
coming over the wires during the day
may be readily reproduced.
Phosphorus is now being made by
decomposing a mixture of acid phos-
pilates and carbon by the heat of an
electric arc within the mass.
The latest innovation in car decora-
tion is new material called 'sili-
chrome" 1t can be used also for depot
or other interior decoration.
On the eastern frontier of the "Dark
Continent" coal is so plentiful that by
lifting a shovelful of clay off any particu-
lar spot it may be reached. But there
Is no means of transporting it to market.
The range of naval guns is roughly one
mile for every inch of calibre foi guns
less than ten inches, but last year 90
inch breechl hloading rifle attained a
range of twelve miles. The pneumatic
gun has fred dummy shell two miles
and half.
1t is said that the local steam trains
between st. Paul and Minneapolis have
all been taken off, being unable to COM
pete with the electric road, which is
running trips every eight minutes, and
is expected soon to change to five minute
schedule.
About twice as much energy is re-
quired to stop moving object as to
start it. In order to relieve its horses of
a great deal of work, the London Gen
eral Omnibus Company has adopted an
ingenious device by which springs are
wound up when the omnibus stops. The
amount of energy which is thus stored up
In the springs is utilized for starting the
vehicle again.
A smokeless powder has been prepared
at the Newport (R. ~ Torpedo Station.
which is credited with having given a
rifle bullet the astounding velocity of
2S60 feet per second. Moreover, it is
stated that at distance of 500 yards the
report of the gun was not heard nor was
any smoke visible. Gun cotton pulp is
reported to be the base of the powder,
but the other Ingredients and their ma
nipulation are Government secret.
A lake has wonderfully tempering
effect on the climate. Thus, according
to Nj. Forel, the quantity of heat accu.
mulated in the Lake of Geneva, Switzer-
land, during the summer of 1889 was
equal to that given off by the combustion
of 81, 900, 600 tons of coal, or the amount
carried by coal train 1920 miles in
length. The greater part of the heat is
discharged into the air of the valley dur
ing the colo season, thus producing a
milder temperature in autumn and win.
ter.
DR., Brown Sequard in one of his lee.
lures dwells with great emphasis on the
Importance of general knowledge in the
matter of checking coughing and sneez.
ing. He states that coughing can be
stopped by pressing the nerves of the
lips in the neighborhood of the nose,
and sneezing may be stopped the same
way. Pressing in the neighborhood OF
the ear, or right in front of the ear, may
stop coughing. 1t is so also of hiccough.
ing, but much less so than for sneezing
or coughing. Pressing very hard on the
roof of the mouth is also a means Of ar.
resting a cough, ard the will itself is
often found to be a wonderful preventive.