The Forest Republican. [volume] (Tionesta, Pa.) 1869-1952, 1891-10-21
SCIENTIFIC AND INDUSTRIAL.
Bottles are made by machinery.

Bethlehem, Penn, has the biggest
hammer.
Chicago is about to add to its attrac.
tions a steel chimney, $50 feet high.
Electricity is now being made to serve
for use Of headlights on locomotives.
Eye blinds and dark stables are said
to be the greatest cause of blindness in
horses.
A locomotive is running on the Chi.
cago and Alton road which consumes its
own smoke.
1t has been calculated that 100 laying
hens produce in egg shells about 1877
pounds of chalk and limestone annually
Henry Curtis Spalding claims that tho
idea which Greathead utilized in his pat.
ents for tunneling really originated in
America.
A French amateur photographer has
mounted camera on kite, and gets
remarkably clear views from height of
100 to $50 feet.
Papier mache oil cans which are now
being made are very durable, and i'm.
pervious to any spirit or oil likely to be
used in a machine room.
An expert electrician asserts that an
electric train making 125 miles an hour
would require 1000 feet in which to
come to a standstill.
A physician in Ctacow, Poland, has
made some remarkable cures of cancer
with a new medicine called CAMERON.
Its ingredients have not been made pub
lie.
An English physician, DR.. Lennox
Wainwright, affirms that q mixture of
menthol and carbonate of ammonia
has proven to be the best remedy for hay
fever. 1t is used as smelling salts.
Steel is now being used in the con-
struction of large chimneys. It's weight
is about one-third that of brick struc-
ture of the same conducting power, and
much economy in space is secured.
A hotel in Hamburg has been built
entirely of compressed wood, which, by
the pressure to which it is subjected, it
is rendered as hard rs iron, as well as
absolutely proof against the attacks of
fire.
A light and compact form of rolled
steel or iron columns has been placed on
the market. They consist of two 4
beams bent longitudinally at right aq-
giles and bolted together with small)I
beam between them.
The high price of coal on Mexican
railways has resulted in the adoption of
novel type of compound engine and
locomotive, and a consequent saving of
twenty-five per cent. in coal is obtained
with only slight increase in weight.
Delicate electro magnets are now sue.
cessfulIy used in optical surgery for the
removal of pieces of iron or steel which
have entered the eye. The attractive
power of the magnet causes such par.
ticles to be drawn to it, aud they adhere
when the magnet is drawn.
The largest gasometer in the world
is now being built for London com.
pany. Its diameter will be 300 feet, and
the height $50 feet. IT'S capacity will
be 12,0OD,0 900 cubic feet and weight
1920 tors. 1t will take 1900 tons OF
coal to fill it with gas.
Tie use of the search light on nava
vessels when en- blockade duty is beinn
severely criticised, as it has been shown
mat they serve to show the position of
vessel when she would otherwise be
invisible, thus making an attack with
torpedo boats possible.
A novel idea in the running of street
cars is that recently sug "ested and tried
near Richmond, Va. Eight heavy
springs are used, which are connected to
the axles by suitable gearing. A wind
ing engine will be built at the ends Of
the lines, which is four miles long.
Some of The monstrous cranes used in
the Baldwin locomotive works at Phila-
delphia lift big locomotive as easily as
mother does a baby. Each of them
saves the labor of $50 men and does
away with the necessity of having a COM
plicated system of tracks for shifting the
locomotives.
A late invention, the cushion car
wheel, is described as beng a thick rub. !
Der band placed between the tire and .
centre of the wheel, and which acts us a
cushion, absorbing all vibrations. The
rubber is so attached as to make any
danger from hot box or from corrosive ,
action an improbability.
A new Swedish glass is claimed to
have important advantage for microscope
and other fine lenses, giving greatly in
creased power. The chief improvements
over other fine glass consists in the addi-
tion of phosphate and chlorine, which
impart absolute transparency, great hard
ness and susceptibility Of the finest pol
ish.