The Salt Lake herald. [volume] (Salt Lake City [Utah]) 1870-1909, 1892-01-10
MIRROR OF SCIENCE.
Ever Pleasing Images Of New Ideas and
Inventions.

Ever Pleasing Images Of New Ideas and
Inventions.
Bremen is the first city in Germany to
operate all its car lines by electric motors.
Work on the cable which is to connect
Florida with the Bahamas will be begun in
January. Its length will be about 225
miles.
The most powerful electric lighthouse in
Europe is the one at Hanstholm on the
Scow. 1t has strength of 100000
candles.
The new Swiss railway-the Brenzer
Rothhornbahn-is the highest in the Alps.
1t IS 1856 feet at the summit level
A smokeless fuel called "Massute" is be-
ing used on steam rollers in Vienna. The
fuel is composed of the liquid residuum of
petroleum rehneries.
Observations made to determine the long
ltude of Montreal showed that the time
necessary to transmit an electric current
across the ocean and back again was tritle
over one second, the distance covered being
5000 miles.
1t is reported that the electric separating
plant which was established at the Michi-
CANINE mine, at lshpeming, Mich, has
proved great success. BY the operation
OF the plant large quantity of low grade
ore has been converted into high grade
BessenIer ore.
In order to photograph flying insect the
exposure must last only 1-25, 000th part of a
second This the French photographer, M
Marcy, claims to have accomplished by the
aid OF new instrument invented by him
self. He has also photographed the blood
globules circulating in vein.
A propeller has been devised to work at
the bow OF vessel instead of the stern. 1t
is conical in shape, with a diameter nearly
equal TO the beam of the ship. The blades
OF the wheel are fixed at right angels with
the surface, and, being arranged spirally,
have boring or auger action.
Water tight cellulose papers have lately
been put on the market by German con-
Germ. They are designed for various uses.
such as for table cloths, book backs, tenn
| porary cover for roofs, for packing goods
and many others. This cellulose paper is
much cheaper than parchment, and does
not become sticky through heat nor crack
| from cold.
| There has been devised by an English in
vent0r new form of electric bell, consist
ing OF vibrating plate of metal which is
set IN motion by an electric magnet, and
emits clear and continuous musical sound
much more agreeable than the noise of the
ordinary electric sounder
The Swiss government proposes to as
sumo proprietorship of the manufacture of
matches, the plan being to purchase the
various works now in operation. 1t is esti-
mated that this will cost upwards of 5000 =
! 600, and the government expects to make
an annual profit of about SIPS, zoo on the
business.
1t is said that four-ffths of the steam
enplnes OF the world have been constructed
within the last twenty-five years The
total horse power is estimated at 49, GOO, OCO
of which the United States has 800 COO
| Great Britain 1000, 900, Germany 4, 500. $50
France 5000, 900 and Austria 100000
The first fore-runne of the typewriter
| In tue United States was a machine invent
ed in 1S43, for those who were unable to use
the pen and pencil The name type
writers was first given to a machine in
vented by three men of Milwaukee, Wis,
which embodied the principles of the pres
ent machine in crude manner Since 1S43
there have been issued in this country $50
patents for writing machines, $50 of which
have been granted since 1880.
Experiments made to determine the
strength of bricks demonstrate that thew
have crushing resistance varying from
1000 to $4,000 pounds per square inch, de-
pending on the quality Of the brick.
The method pursued OF counting pencils
in the factories where they are made is by
means OF board containing a number Of
grooves. a Workmen takes a handful Of
pencils, and rolls them along the board, fill
ing the grooves. As the number in each
board is known, no difficulty is met with il
counting.
A Glasgow chemist has discovered a new
method of producing cyanide that is one.
third of the present cost of manufacture
The cheapening of shis important produc
will have an impt rtant bearing on golC
production, as it will enable many low
grade ores to be worked with profit.