The sun. [volume] (New York [N.Y.]) 1833-1916, 1892-03-13

i.aufrrn. in Gcrrany. last summer. could he
rienss sSinsd in transmitting electricity from
I11n,iaasinE sss'ion should Iift to" pressoreo Of
s SAFE snh Ss0G ION Ss,s phsp 2,
is dew ns
SSs i %,S S ssSis
one OF tho best in ,ulators known. Encircine
TN PARE sry Is an a., anS .nrn tube q, SepnS
may. y desired. safely be connected With tho
i so saeH '1 tube nSs cHvGrsd WITH more
aads s 3ass IRON 1 fs0 security s acrns
tho forrs,iti conSaactor has been abun,iapily
BEEN piertsd or divided by an IKE tie c%rrsns
has pa,sed isom tho core to its metallic cover:
ssiSty MsTs stretch %Ss Of i laid from New
sistsncs than milo q the subway, conductor
now doing duty (, l'road,wyay With ieasis,ss
81 3 vcts as % Sset Ssha Is
1000 volts were q remain unchanged, there
wires Of tenioii sapacity, would cali foe but
sn e sn ths Is To be seasd
by increase OF electrical pressure. With no
nit ten times:Iss much current It 1000 volts
as at l 81 he here has ,i.ty been
use Of high pressure steam in engines
4, III bringing tho current across the riynrftom
s0 pro G SnM iS ast s n
tscttvely II Ind as cable under the Hndson
besn Sbs at mains bs
have bettsr under water than in the ground.
iinct%atons oi tompsraturs. 20 Having reaSSed
the shores Of Manhattan the current could bo
would trsnee h. deiivere,l Tor service IN lamps.
Krapn Ss tca would sn pSs ct So baths Il @
i In the rebuilt headquarters nf the Western
won sHpaSs safna nd
battery formerly employed: wrestling another
province from chemical electricity. .-.,.
o.. ,.... ... VARIED SERVICE.
With the very diversified applications OF the
current nm important saving comes in. Az
n,otive power it IL in demnnd during several
uses In electro deposition. This, enables the
mae r %nd o than We Wos oer
wise be the case. And engines and dynamos,
~, men earn most when thoy arc dong their
Mr.. Van vlccks. plans. IL put in use. would
electrical demand such rs on existing lines OF
snPnIy would come only ut ths end Of lengthy
aDIo y not only for New 0 YORK a hut t'a FOR
other s unSest With
M9sd o o"w h hs of
s,ready hssnn here and and there in the United
at een.ra 1aa rs n
GTcn higher than the American standard
IN
miss Jon are generally higher as between
aa pa Of ioT asss nd IN
has been studied with results very desirable
here: As "a conssGuence in several cities the
isolated plant! for lighting factories; theatres.
and the like have Leen abandoned. and the
veyor in Its district.
ELBCTRIo SMELLING. "''"
But for one Limitation electricity wonld bs
power. but for heating. Gensrated as i n.u usu.
ally Sy enxn H. has as to the
converting heat Into work-a levy never less
than s5 per cent. and generally exceeding 90.
the electrician hnds Il bare Of promise Tor the
Si ths ftesm engine ,S
20 we ss As E
rsmalp 70 demand care and drudgery: AZ
Piled to ordinary warming and COOKING. It y yst
can perform special tasks OF heating in
In the Cowles furnace a smeter can takes
pair OF electrodes. or current carriers. into Q
snts Hardly possbs fuel Heat
OF any desired intensity is liberated At the ak.
de se 5ss ws M0fk Sr It, 5
effect at the very coro OF the materials I? be
%th int the pSs Few
eSeRp eys % ths
value In the arts
ELECTRIC WELDING.
The metal worker is further indebted to the
RI
is now in, wide accoptance ior welding So
much is the operation simplified that a mn.
Hhs ssrs IS t sFe It
feeding tho machine and disseminating the
shs wsas the ths N The E Tos
s;ipss And ssn;aEsa ; With bSn% not oaIs
but stronger than The metal itself proves ut any
other point: In uniting wires for the telegraph
place in the oId-ia-hionsd form Of splicing;
binding the wire wound around gums. q
breadth OF steel cable for the, standing rigging
%I sG it tFs feat Gther%ss
H g; WITH Is raj. ii delicate WEEK; as
ill., %eS asssolcpa aGsns0' f' iSs
nr S ftp prSpeer " Glade or engine
shaft Gan b" easily brought to welding heat st
can tIius be taken. to its work instead 81. the
mills. whore teeth accidentally broken from
task !" wien the }, current Is thus applied it.
effectiveness Is hasteneh by a pecuJiarity Of
mstal touch each other at any point where
their contact is imperfect. the current i re-
means a. heating S effect. ffs socssdins from
noint or two, contact spreads until the fusion
In which Welding Is arcom 81 ished takes place.
Sometimes the metal worker employs cleo
tric heat at a temperature much below that
necessary in welding. He uses it to softena
strip. bar, or rod Which has to he bent. twisted.
or coilel. In this branch of his art he is wont
10 excite the onlooker' s wonder by tying
Fl n. in l,,ptp ia 4 kfn gflaI "a a.
rss he softens II rivet with electric heat secur-
ing it BY extreme pressure: In another anil;
cation of the current he cuts AWAY sheet metal
~ " It wsro WAX. Taking the ele''trc nro.
such rs serves for out -of door illumination. no
has an agent more effective than the blow-pipe
md only nofourth as costly. Wero 1t not for
its binding glare it's Held would be- much more
extensive than II Is.
THE CURRENT PUEIFTEs METALS.
Cnnnar Tor cnnluctnrs Shollld be Of Tho most