The sea coast echo. [volume] (Bay Saint Louis, Miss.) 1892-current, 1893-01-07
IN THE ELECTRICAL WORLD. 5
Mexico has 2s, 500 miles of telegraph

GIES ntSA1 WOhZOs
Mexico has 222, 500 miles of telegraph
lines.
There are ten thousand miles OF
overhead telegraph wires in London.
Electricity is being introduced into
the cotton mills in Bombay, India, in
stead of steam.
Many of the explosions in flour
mills have been traced to electricity
generated bysbelts.
The powerful search light now on
Mt Washington will, it is said, be
transferred this winter to Mt. Wilson,
California Mr.. L. Fl. Rogers, who in
stalled the Mt Washington plant, will
superintend the removal of the projec-
tor to California. 1
The electric power plant at the
Worlds fair is to be made up Of all the
principal American makes of boilers,
engines and dynamos, the units being
OF all sizes up to 1000 horse power. The
designs call for the delivery of'over 80
600 horse power in steam, which gives
some idea of the size of this power dis
tributing station.
Much attention has been attracted
OF late to the project of transmitting by
electricity q portion of the tremendous
power of Niagara Falls The project
will be realized for comparatively small
distanccs-that is, in the immediate
neighborhood of the falls-within eight
months, probably, and as far as Buffalo
within year and half.
The postal telegraph system of
Great Britain and Ireland is now, it is
said, the most gigantic and complete
organization for the transmission of
messages in the world. The staff num-
bers 3, 453, the annual amount expended
in salaries and wages is s322, ,96o, and
the total number of kilograms passing
through the Office per annum is 80, 537,-
779.
AT Crawford, N. j., there are two
amateur telegraph organizations which
are about to consolidate. They will
have twenty stations in circuit of
three miles and half The value of
this amateur telegraph organization in
q small village can be imagined when it
is known that 1t contains complete
code of fire, burglar and emergency sig
nails.
Tho General Electric Co., hassjust
succeeded in organizing an electric
lighting company in the city of Balti-
more, whose plant will be unique.- The
central station will have no less than
10000 horsepower. For the central
part of the city the 3-wire Edison sys-
tenn will be used. for the suburbs. the
Fort Wayne alternating system; while
the Fort Wayne arc lights will be used
throughout where arc lights are re-
CURED; all wires will be underground.
AT the Worlds fair grounds a test
of the. search light which is to illumin-
ate jackson park was lately made The
electric light is perched on the high
tower OF the transportation building.
The light is the largest and strongest
in the world. It was made by Schuckert
y Co., Of Nuremberg, Germany The
light is what is known as a four-foot re-
fiector, that is the great magnifying
glass through which the rays are
thrown to such distance is four feet in
diameter. The direct power of the
light is #150, ,000~ candles, without any
glass whatever. With tho big glass
however, the power is magnified to
16o,ooo,oo0 candle power. . Scientific
American. a~
-Electroplating has been applied in
an ingenious and effective manner for
the preservation of lace forms in metal.
An Inexpensive lace of good pattern is
hardened by saturation with SUBJ
stance that sets quickly and is fashioned
into the form of some article, as a lamp
shade. The pattern is then subjected
to the electroplating process with the
result that the flmy beauty of the lace
is preserved to the last detail in silver
OF gold. As the process is of trifing
cost, compared to the labor required to
produce lace forms in metal by hand
work, and, as the quantity of metal
used is only sflm, the price of such
work is much smaller than might be ex-
pected from appearances.-N. Y. Sun.
.--Practieal Electricity states that the
best insulating substitute for rubber
which we know of is one used to con-
siderable extent in France. 1t is made
from linseed or rapeseed oil, mixed with
three parts of Trinidad asphalt and
then treated with bisulp hate of carbon.
The ingredients, warmed and freed from
sediment, are mixed with little
CHARMED resin. If then spread on cloth,
a material similar to ,oilcloth is the pro-
duct To form a more complete sub
stitute, the compound is mixed with a
little African lubber-about FIVE. per
cent OF rubber--and little chalk. When
cured. the result is an inferior ebonite,
good for insulation purposes, and
which, when mixed with a certain
amount Of litharge, is said to resist,
also, the action of acids.
Anxious to Learn.
I.iff1a Rnu-Manan,a rnnu L .44.l..