New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1900-06-10

G Sasn15y the inventor decided that
with his ms too s OF R aa3se oua bs orr
maj purpose He is not directly represented, there
Issia,s Induction motor which is driven by an
lnhS,enuons Is rendering service in the station
eecrc q road to the moving sidewalk and
pecnsrY .oa pefween copper ana nes
for the ateP and the t dee
veiopment Of trolley, lighting and other electrical
ing demand for metal for transmission purposes
ana for constructing certain parts Of dynamos and
able to facilitate in a wonderful manner the pro
produces much more than half Of the worlds sup
ply Of copper and probably two-thirds of the out
iona and Montana separated from the asso-
ciated impurities by electroysis, This process has
uct. fine lot of eectrolytic copper from Arizona
is shown in the Mines and Metallurgy Building
here.
ALUMINIUM EXHIBIT.
The same genera! means are employed the world
in the production of aluminium. The Pitts
burg Reduction Company, which has a monopoly
Of the business in the United States has specimens
on exhibition here. The accidental discovery in
America of cheap way to make calcium carbide
and hence acetylene created a profound sensation
Of the constituents. lime and coke is Effected by
means of an electrical furnace. in which a par
the present time the industry is carried on at only
a few places but the output is rapidly Increasing
A number of huge cylinders of carbide-all ap-
parently of European production-may be seen at
Still another distinctiveIy American invention
belonging to the last decade, is Mr. Edison's cine
eouneymen and by foregners and figures before
the world under number of aliases; Its CHIEF
though it has also been employed in schools Of
pa T r epaHe here deToed to the
latest form of his cinema tograph and TO his phono.
m these
reproduce in country towns the performances snt
dream is ever realized the photograph has GER
tainly improved steadily in its ability to Teprod nHs
and pho abound in Paris
ported IN fle'i HE dE ea PULLING an
life OF the carbons is almost the only important
gain made IN that form Of light, although better tier
fiiaments Of the incandcscent lamp also far
cation of the incandescent principle to rod of
magnesia was attempted by German c ad Thi
number Of his lamps would be shown at the Ex-
position As yet hey h qoo not for n oub a
doing so in the future II is reported that
in the German section Deutschland makes
magncent Showing In the G[ s
For several years Mr.. Tesla. McFarlane Moore
and other inventors have sought to produce light
that should waste no energy In the form OF neat
mer3al basis But in the, Palace Of Optics here
there is tx usiPass cold Of sa
They are nor kept in state 6I ia ou iGf r
many of these tubes were ever seen together be-
fore.
WEAK POINT OF ACCUMULAToRs.
Several types OF storage battery are exhibited
Practically all are Of European manufacture. The
chloride CELL" well known in America. is among
them however In light and power stations, where
there are great fluctuations in the demand for cur
rent during the twenty-four hours. accumuiators
have Of late been extensively employed to equa4!ze
the Toad" on the dynamos ard to maintain uni
form supply. So long they remain stationary
as they do when performing such work accuIau-
lators afford highly satisfactory rgsT m ,aI1e5
lighter and more durable cell is made TO-DAY, dor
ago, but the device is still liable to injury when
is joted about. II is no longer used for streetcar
traction therefore. The development OF the auto
mobile craze. however opens a new ned OF useIuI-
ness to the accumuator and t2us Jar II mas met
Lamps switches, telephones; tnsuiators, induGII
objects are shown in the gallery of the Electricity
Building Here for instance one sees b me 31 r6
because R0ntgens discovery was an accident man
4 case containing a number of Lord Kelvins meas
uring instruments is an OBJECT OF uCn iIGTs 70
electrical science ..- +... - ,,..,
companies among the few American exhioi1 tors
who have secured space on the main moor IT,, y ne
bif 81 ranital n and the other like T These
and moving them about ut the rate of hfty feet a
minute The first OF the comes from Germany,
and bears the of Carl Flohr: the other IS
French and Is exhibited by Jules IL Blanc.
About half of the current which II is possible TOT
the big generators to develop when they are all
a-going VII be expended in furnishing light but
most OF the rest will large number or print
ing presses. inclined plane elevators looms. ma
chine tools and other mechanical devices which the
exhibitors want 10 snow in motion. A. present
only small amount Of machinery IS being driven,
but eventually this Will be greatly increased me
dynamos then VIII be able TO supply the requisite
power They are ready TO do so now Each
machine that is be operated by electricity has It's
own little motor and wires come in conduts under
the floor to right spot from the distant camera
tors The machinery which will enjoy this service
,s scattered through a number OF buildings ana
represents a variety Of industries.
During the last year or two good dea! mas peel
heard bout device. invented by Szczepanik, an
Austrian or Bohemian which was TO serve the
eve as the telephone does the ear 1t was called
the Kaleidoscope, the fernseher, and was said
In present to the vision a perfect picture OF dis
tant scene even though the latter included moving
objects and a variety Of color 1t was announced
that this article would one Of the sensations
OF ne Exposition Dlgent search has rallied 10 dis
cover the telectroscope on the Champs de Mars up
10 the present time
IN COMPLETE SOUTH CAROLINA CAPITOL.