The sun. [volume] (New York [N.Y.]) 1833-1916, 1890-06-06
ELECTRICAL.

by electricity, but tho process n" not been re-
duccd to commercial basis although the utility Of the
Fas for various industrial has lopgbeen well known.
electrical process ozone IL said to be produced
from tho atmospheric air instead Of as formerly,
direct from oxygen The details OF the Invention the
results Of which have been exhibited both In France and
Eng and are kept secret and this circumstances Is not
reassurlng Several osonized products have been
shown such sspRrto pulp beached by the oIons,
ogonled water for serisnR purposes ozonized oil for
in medicine and In tho manufacture Of door cloth
and nOieum preached solutions OF sugar and 60 IL
this invention bona nde, Its hyEenic and commercial
value will be inohlonlablo
new and popular development Of electrical science
10 the electrical hair curlsr said to DO equal the
most exaciing demands of tho feminine couture and
the beard mouStache 10 curlsd in any style in
two mtnutoa
Attention has bscn directed OF late to the telauto
graph, an instrument which is said to have been In
vented years ago by Prot. Gray This wonderful
Device which Ia to solve the question OF sending auto
graph messages drawinga and plans by tplsgraphy
has Just been proved to DO OF British origin In case
that has been decided before the Comptroller OF Patents
In England.
Tho feasibility and economy OF tho new process OF
electrical tanning notwithstanding the doubts which
have been expressed to the contrary have lust boon
concusvsy proved in London. A largo number OF
persons interested brought together at an cleo
trical tanlery hide of leather was taken from the
tanning butts and up in front OF the onloOkeru
rms niue neen nlhCcu Ill tno reNOVlnK butts HNo
and half days before 1t was well and thoroughly
tanned equal to that which had stood 1.-Two or zig
months in the ordinary process The process consists
In simply placinRtho hides, after cleaning In large
revolving wooden butt with water, and known pro.
portion OF tannin and subj citing them current %
electricity while tho butt Is slowly revolyeG. In the
ordinary the tannin tho outer surfaces Of
the skin, forming an almost impermeablo surface,
which very slowly penetrates to the centre In the
process the current diffusion the tannn 10
ala a Oh an.lf Alaath ara a.
in the short time mentioned. The formation Of gas Ia
the interior of tho pores also have something to do
with IT, and the heat generated doubt aiiB the proc
Re this as 1t may, tho result 10 unquestonable,
and in spite OF the opposition of oldashioned leather
merchants electrically tanned leather is beginning 20
be sold in tho market and gives every indication Of
becoming staple commodity.
novel application Of electric heating 10 suggested By
correspondent 1t ia stated in Italian Journals that the
dome of St Peters has been cracking for conpiderA
BILE length of time aud the number and extent OF the
assures is becoming alarming 1t appears that about
hundred years ago similar state OF thinKs was rene
died by encireltnR the domo with q strong band of
metal The band was heated and its contraction on
cooling found to be sufficient to close the crAoRa
The suggestion made is that electric Welding has
como Just tmO to mako St. Peters safe for another
hundred yearG
Tho peasants in Belgium have . peculiar fancy for
smashing the telegraph insulatorA and as they have
OF considerable excellence, tho destruction of the nsa
lators has of late become very serious question An
unbre ak able insuaor was devised which was sunk in
Of galvanized IRON but this found
be both extremely heavy and extremely costly. An
other system adopted. As It thought that tho
large white nsulator offered irresistible attraction
individuals OF destructive turn OF mind. It was de-
cdod try tho effect OF less obtrusiye color and tho
porcelain enamel coored RrRyish brown tho
color of the posts making it difficult to distinguish the
ipep frnpn ia
vded with lo2 inSuaors Of each kind arranged alter
nately In year twenty-five of the white nsuiAtors
were broken. but only thirteen of the colored All
broken he nsuRtorS replaced by brown ones.
Street railway electric cars are he provided with
a fender which has much TO recommend It II will
safely obstacle in the path OF the advancing
car and carries in front heavy four ply rubber belt
Ing flexible enough to pass over paving stones, hu.
rigid enough to prevent q body or = limb from being
drawn under the fender
DO you expect electric engines entirely TO dSplsoo
steam locomotives all railroads r. This question
Just been discussed by o. Crosby In paper Tho
Limitations of Steam aud Electricity" Mr.. Crosby
very fully into the relative cost Of power and
ang expenGes under various conditions ana puts for
ward some very Interesting and instructive data The
conclusions arrived at rsaasurng to those who have
hitherto had feeble faith to the ultimate supersesson
Of by electricity for long distance traction Mr..
Crosby points out tho difficulties which lie In the way,
and indicates Just as clearly the remedies for
those difficulties. Tie efficiency Of she street car
motor 10 unquestlonabIy not yet high enough
for the motor to compete with tho locOmo-
tive in railroad service. The cumbersome gear
ing now use serious obstacle. There Gesms little
doubt however that II will presently bS dispensed
with and economical motor will BIO applied directly
TO the axle When this ID done the commercial en-
cheney Of tho electric locomotive will DO equal to that
OF the locomotive and electricity Will DO OdoptSd
for ordinary railroad service
electricity. The new United stAtsS man Oliver BSlth
moro is supplied with electrical VSntlAtor which
will change the atmosphere Of the engine com
pletely in two mnuteA
That electricity has already begun to surplAnt steam
on some OF the railroads of this country 10 shown by
photograph which has been published In tho electrical
Journals. The picture shows an electric car OF the
Dallas Rapid Transit Company drawing the st0Am
dummy which WAS formerly used on that line BY way
OF giving hgurativo we'll actual Significance
to the contrast of the old aud tho the engineer Of
the engine Ia represented trying In vain 10
catch the train which s leaving him behind The sAIy
manipulation OF the car Is suggested by the controlling
switch being in charge OF young lady while another
young lady acts as conductor Tho superior economy
of the system 10 evidenced by tho fact that the
steam dummy required an engineer and fireman be-
sides train conductor.
As al instance of the speed at which the world I'd,
vancing. tho Eectrical World calls Sttention to Q
prophecy which writer In HdFpsrs HaOaslae hAHAEd-
cd In the year 1855 This infatuated dreamer predicted
that In the year 300 men would be able to attach an
car tube wire and hear conversations tive miles
away In the OF dozen centuries he dared to
believe news would bs printed by electrical agency
rolls OF paper for prompt and convenient distribution
and that far sime transmission by wire would become
an accomplished fact "lt 10 not easy to realize Gays
the Electrical WOrtd that since the Hdrp'TI ngsniOu
contributor thus gave reign TO his Imagination there
have elapsed tho twelve centuries no expected but
merely matter OF less than tWo.Ieora yeRrL"
At the last conversations of the Royal Society Lon
don, England. new bTOntomoter was exhibited which
will slip OF paper note tho beginning variation
intensity aud termination OF rain and hail tho In
slant OF each lightning flash, and the beginning aud
duration OF a thunder clap. The instrument can DO
read for periods of tmo down to fifteenth part OF
second An arrangement also exhibited to show,
either BY projection or by photography the oseiAtory
nature Of al electric spark.
Anew way OF relucng the price OF the electric light
10 Aluminium is reported from Paris A young man from
EkopoIis named YerdChewski had been sent TO Paris
IN Nv nj a terh school WA, buDUli0d