The Ohio Democrat. (Logan, O. [Ohio]) 1886-1906, 1892-02-06
IN The ELECTRICAL WORLD.

Recent delicate experiments with
kites show that the amount of cleo
tricity in the air Is proportional to tho
height above the earth's surface.
galvnnometer placed in the circuit
showed at once the changes in eleva-
ton, or whether the kite was rising or
falling
Many valuable high mountain
mines, which could not be worked
proftably owing to the expense of
transporting fuel to the engines, ere
now being operated by electric motors.
whose power is furnished by anou,e-
motor in the valleys which uses water
power.
An electric system OF heating rail-
way cars, used on French lines, pro-
vides for the use OF lead graeings OF
high resistanco, through which cur
rent from dynamo is passed. The re-
sulting heat is transmitted to radiating
coverings with which the lead gratings
are provided, and is thence diffnsed
through the car
An electric corporation in Oregon,
where coal is dear, has had recourse to
sawdust and sawmill refuse for use
under its steam boilers, and so success.
full has the experiment proved that not
only is light and power furnished as
demanded, but arrangements have been
made to supply power for the opera
tion of two street car lines
The longest electric railway in tha
world is to be constructed in Russia
The very audacious project is being
considered of constructing IL line from
st. Petersburg to Arlkangel, port OF
the White Sea, distance of more than
$40 kilometers (49S miles,. The cleo.
trio current is to be furnished by SO.
ries of generating stations, distributed
along the line. Paris La Nature.
The electric railway from Worces,
ter to Spencer, Mass, is said to have a.
ready proved itself q financial success.
1t is operated by the Worcester Leices.
ter & Spencer Street Railway Co., and
was opened for travel as far as Leices-
ter, August IS, and to Spencer twj
weeks later In the first 80 days over
$4,000 passengers were carried, and in
two months from the date 81 opening
the number had run up to over 200, ,0OL.
An electrical exhibition is to be
held at st. Petersburg Russia, which
will be opened the middle of December,
and will close March 10, 1892. The ex-
hibition buildings VIII be located in the
center of the city. For the first time in
the history of Russia foreign firms have
been granted the imperial permission
to exhibit The principal object of tho
exhibition is said to be to enable the
Russian government TO choose the best
system, with the view to the inaugur-
alton of comprehensive electric light
ing schemes i'll the principal towns OF
Russia.
-Ploughing by dynamite is the new
est thing in agriculture at the south
The dynamite is put into holes two or
three feet deep and five feet apart,
making 1,GO0 TO the acre, and the whole
are connected with a wire leading to an
electric bait .ry. When these are ex-
ploded by the electric current the
ground is lifted in many places two or
three feet, and the soil to the depth OF
so inches is thoroughly loosened, as
well as between the holes. This
method is said 10 be more Effective than
the usual method of trenching, and TO
allow of greater absorption of moist
ure, which is SO essential for sustaining
vegetation during drought.
One of the important recent inven-
tions in connection with electric street
railways is the Shaw ra1ial truck, by
the mechanism of which the DETECTION
of the forward truck from straight
line-that is, on Il curve. is communl-
Gated lnverssly to the rear truck, caus-
ing the latter to assume n position on
the line OF the curve be the radius
what it may. This is effected by a
simple, yet ingenious mechanism, con.
sisting of tW parallel bars attached nv
one end to the forward truck, and at
the other tR vibrating lever central
between the trucks, the latter being
again attached to the rear truck by two
diagonal Lars which cross each other.