Daily Republican. [volume] ([Wilmington, Del.]) 1874-1890, 1885-10-22
Edison System.
IvKLECrRIC LIGH 7 THAI
r,NoIsTKODUCED An
THIS ClrY. ,
|C)ST NO GREATER.

THIS ClrX.
COST NO GREATER
csxity for an artificial lighI
nertectly steady, which emit
M Qasee, which Is PRACTICAL )
heat, aud which ~ without
70 lite or property. has long
and for many weary months
he father Of electric lights, re-
closet I'd 10 his laboratory try Ing
ibs problem. Plan after plan
4 and abandoned, until at last
i, we're crowned with success,
aye to the world the perfect In
pt light, which combines all
lilies 80 long sought for.
ppulsrly supposed that the use
tc,ric light il inseparab!e from
lite, but this supposition Ia
erroneous, 30 far ~ the Edison
concerned, AS no possible dan
srise, for II even the naked
smselves are Rrasped, the cur
csroely psrceptible to the touch.
many advantages in its favor
urce Of satisfsction TO know
greatly improved system is
pa introduced in this city, The
system, which for the past
o has been In use in this city is
known as the arc light, in
ere are Two pencils of carbon,
Is of which are opposite each
b, separated by a space Of about
Fter OF AL inch, the light being
by the jumping of the current
pencil ID tho other, thus form
h called q" voltaic arc"
tnping is Effected by means Of
sure of the current, and as all
, are placed In the path of one
bro, az 1t In termed In "series;"
that when there is q large
Of lamps, in circuit, the pres
Le current must necessarily be
|a, to dive 1t through all the
)nd then back 10 the dynamo.
belito get to the second lamp
ss through the arst, aud 30 on
eaGh lamp, the electro motive
lug multiplied by the mum ber
in the circuit, consequently
here are . number of lam ps
force 10 very great, and
fgy dangerous 10 any one CON
bpisct with the wires.
system now being introduced
y are paced In "multiple aro,"
outgoing and incoming wires
pped and the lamps placed be-.
Dnse luently IL is not necessary
|urrtnt para through the first
reach the secoud one, becs use
p offars TO the current a path
10 cross over and re-eI ter the
As all the lamps require
same degree Of electrical pres
ing thom up 70 iDcandescence,
|ur- Of the current is not null
the number of lamps, and
Pity or pressure never varies.
rfeDt In this system is of such
r,ure that the wires at any
line, and even the poles OF
lsos themselves, may be
! the naked hand without the
ttsct the current being scaroe-
tlble to the touch. la addition
he safety TO the person, the
Be Ellison Iuoandescent Light
degree Of In immunity from Are
0'her form Of artificial illu.
sffords,
Ilison lamp emits so little heat
most Ia iL4mmable material
OrOugnt In close contact with
10. the slightest danger OF such
becoming ienited. Should q
broken by carelessness or accl-
t'eis 10 possible dap ger of fire,
lCaudescent flament contained
Hole is consumed the instant tits
W the influence Of the atmos-
|smp consists OF . pear. shaped
|loDe, about four and q half in
lrngth, exhausted of air, aud
flus tilament of carbOnizsd
+ slightly thicker than q horse
Fhich becoming inoandesoent by
lsagr Of the current through it
. BEAUTIFUL, soft, mellow light,
|ey steady, equalinR the illumi
poScr ef a jet Of The best quality
The lamp is placed In = receptacle
as the socket" from which 1t
removed by merely unscrew.
p a lamp becomes defective, 1t IL
work ot moment TO remove II
laesocket and replace 1t with a
one. The socket is provided
Key attachment, by means OF
lae light may be turned on or of
p!ta'u . of tho user, the same al
~: Each light will be indepen
Y 'Ae cher, but any number OF
VAh ! he so arranged as 10 be- con.
III gtpups, by mean of a switch,
Performs the same function for
y, .Ssf OF lamps as docs the key In
,Ses foi each individual lamp.
!, ',e'ectrlc current for the lamps
,n lhls city will be supplied ty
'!aamos, which are now in place
Y sation, on Third street below
's 'no' Two OF these will supply
I'a' power for 500 lights each, aud
|, ueariy five toms apiece. TIE other
rI ~, ,slna',tr, aud are Int AIDED for
oats each.
NY NY u! hamos were made under the
va ,' supervision of Mr.. Edison and
,'IIhs'ush'y tested by him before
'oa osL'pp'd TO this city. Each OF
p'lamos consists of a powerful
m'shtt, between the poles OF
il ,ar "Ioti!rr magnet revoives, the
IN ,eSg9'Nhon NV Of the one magnet in
ta,ia" i'l" = presence of the other,
vinN Ihe electric current in the
n,,'d oae' from which 1t is dis.
Q lamps. 'n' ''hduc''Ve "ires
NJ yIamos will bs driven by tive
!, +. ga, Ta7 OF whioh Of Ii5-horse
sTt ta',eady in place, being tha,
bs NJ = va ,t arc lights. The other
IN s a W. horse Power, and will be in
hin, ue" days, the foundation
sst TIf y really fer It's reception Tia,
o. IN rt % conveyed from the dy
h, " I'M ihlrd and King streets by two
scb bsifes = called the mains. Which
poin,s lleaes in diameter. Frou
iIet iDs''N pG'Nhections will be rnade by
isua "so = atad wires, called the feed
lsis1 ~, "o 4 taem in turn a 3.1t
cartept, y tfe W'll be used to conducl
he tle mo loases or other places
be c,nT '"ui ps arc in use. The lamp.
pars,l 81 :. !. ted TO his latter wire by
lottaI, n NIX, z covered wire cord simi,
be cn', a, used on gYlvanic ba,tar;au