Republican news item. [volume] (Laport, Pa.) 1896-19??, 1901-01-17
SCIENCE AND INDUSTRY,

A geological commission is at pres
ent endeavoring to prove that val.
liable and workable coal seam eX-
tends beneath the sea at a point on
the northeast coast of England
The use of superheated steam in
stationary power plants has proved
hlghly economical. and of late the ex.
pertinent of putting superheaters on
locomotives has been tried in Ger.
many. At least two such engines are
now in service on the state railways
and third has been exhibited at the
Paris exposition.
The typhoon of the Orient is an
own sister of the West India cyclone.
1t is generally in low latitudes. late
In the summer or early in the au.
tumn, at the western edge of the Paci-
fic, not far from the Philippines. 1t
begins it's career by moving westward,
but in time returns to the coast of
China and Japan.
M. Pierre Baudin. minister of pub.
lie works. is preparing list Of all
the paved roads which are now i'm.
practicable for the bicycle or automo.
bile, within radius of 40 miles
around Paris. According to the indi-
cations thus furnished. which are to
be checked up on the spot. he is to
commence a series of improvements
in the roads. beginning with those
which seem to be the most urgent or
offering more interest for touring or
circulation.
cap nut lock for propellers has
been invented by Captain Lewis Davis
of Liverpool. and is intended to pre-.
vent the loss of blades at sea. The
centre of the cap nut and the centre
of the fixed stud or bolt are bored,
and left-handed fat-head bolt is in
serted. Through the head of this bolt
and on the cap-nut are number of
holes, so arranged that locking pins
can be inserted. A fiat cap piece is
also screwed into a recess made on
the head of the bolt. and again
through the centre of this is screwed
a small-headed screw. The worming
of each bolt or nut is contrary to that
preceding, so as to check any loosen
ing tendency. A rubber washer is
placed under the fiat cap to prevent
the entry of water.
In a recent lecture at the Royal In.
stitution, London. Sir Andrew Noble
hat in
high power explosives used in guns a
chronoscope had been employed
which registered the velocity of the
projectile at 16 successive points be-
fore it left the bore. 1t was possible
with this apparatus to register time
to the millionth of a second. In the
older experiments. where the velocity
did net exceed 1900 or 1900 feet per
second, the projectile recorded it's
time by knocking down series OF
steel triggers projecting into the bore.
But with velocities of $500 feet and
more per second, the trigger. instead
of dropping frequently plowed
groove in the projectile, and another
device was necessary.
Mr.. James Judge, an engineer OF
Newcastle-on-Tyne, England. has in
vented a gun which. whatever its
practical value may be. is certainly
a new and ingenious application OF
centrifugal motion. The contrivance
consists of a disk. so connected to an
electric motor that it can be revolved
at an exceedingly high rate of speed.
Bullets are introduced into the in
terror of the disk at the centre; and
travel along specially arranged curved
chambers to the circumference. and
from here are thrown with great velo-
city through the barrel of the gun.
The disk it is claimed will rotate at
the rate of 10000 revolutions in a
minute, and will eject bullets from
the muzzle of the gun with an initial
velocity of 1000 feet per second. The
bullets are spherical and measure
3-16 of an inch in diameter.