New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1857-08-20
THE ATLANTIC TELEGRAPH.
FysO In L~skeu H~<s

United states HlRate NARora. Before noon oue end
Of escb cable carried 70 the opposite ship and
ion. up as TO form continuous length Of 500 niles
both ends of which were On board the Apame nnon.
One end wa then connected with the apparatus for
transmitting the electric current and on sensitive
caysponleter being attached to the other end The
wboe cable was tested from end 70 end and found 10
be perfect.
arrangements for sttachjog the recording instruments
70 !, dicate ,ignss left to be Completed in The
ming The amount of electric power dev-loned
AZ II further enc, and exhibited by Mr. Whitehouses
ctr oueter amounted ~ attractive force
Of twenty five gals. As three grains are sut cie1t
force IN record Ineligible signals upon the rer.iy,p
apparatuf, il will be perceived that considerable
snrnlus Of electric power remain-a convincing proof
II ay were needed at once Of the perfect integrity OF
the cable and Do less OF the careful adaptation OF sci.
ep,6c means 10 the desired object.
On r,sunlre the operations on Friday morning, il
xss four a thu oil Communicative was cut off; and
Aft upcet-uurbg the portions Of cable laid out be-
IN cen the Two ships. II Was ascerained that had
hen completely severed by entangem.nt vita the
u,cri, eli ave-. during the time the Agamemuon wss
,vi, iI with the tide and that the other portion was
90 !, ued f n he same cause as to be unit for
Ua,ite FIidsy the ofiicers OF the Company were
psg,d IN relea.Ig the broken nres and Recommending
the CONDUCTORS.
On ree,tabf-hipg communication between chip and
slip tle rsIsn sslOn OF electric telegraph messages
through tie ntI.e length Of 500 miles was mme-
diarriy CONNECTED, ard preceded satisfactorily dur.
ia 2 the whole OF Saturday.
In carving this out sach termir al station or end OF
the cable war separately connected with the earth as
IL usual in lines laid out in actual length, and tho
eLcrican noted that nsidersble interval ct tune
81, med curing the passae VI the current, the amount
Of ,etaioaiion being equal TO nearly second ani
three quarters uloD each elect I,al wave or signa
Y., n1t~ i,hsaLdrg ,hi- i, wa. fluid Thar three sig
pa cou d be preferably ard nttllglbiy trans nted II
two secoudr. TINS col firms the accuracy Of the pre-
vou. e3ps rmeLp made upon shorter GREATS Of wile
b, which il had e.I demonstrated that several waves
Il electric force cceArt 10 long unbroken engt
Of completely insulated conducting wire, anu ye'
resfh their trulal des' nstlon with sufficient inter
vas between then TO record nlellgbly tho Indications
h. y are iLteIdedto convey.
The battery employed by Mr. Wh'ehouse Consists
of yoltaic sere u 10 cels the plates oi which are
tonne sltsrnael! o. zpc and patluzed silver esch
about inches sQIaIe The exciting iiuid or medium
il iu ply ou,, llphIrc acid toe Ioughs containing
which are swung upon Simbaled frame g. prevent
tie fund from beng washed over The conteAon' oe-
~ t. Il c. II AID u. By the motion VI Inc snip .
The ioTce dcu ptd by this battery IN us direct
at,u is go great piece If iron inches ioug ana
oi III inoh IN diameter be entirely Consumed III
Jew minutes BY the heat developed on retaining the
Two poles Of the battery simultaneously IN contact
with II. I.
lle battery current thus generated Is, however,
ouly TIE primary agent in the act Of tclgraphlog
through the cable and is solely USED as means o' III
du,Ig through the aid vi electromagnetic eectrlcty
curi.u Of a suitable character for being transmitted
through such loug distances. The electro magnetic
el, cIcity actually employed is obtained from large
induction coils which Constructed in the following
manner: Around hollow cylinder of soft IRON nearly
FIVE feet long il wound with great regularity length
Of several thousand yards Ut thin copper wre insu-
ated with sik Wrapped by means OF machinery rouho
every portion of tn. metal ana much less IN diameter
han tie conductor constituting the center oil the caoe
To the end Of which 1t ia joined up ana OF ~hicn IL
forms contir uous part when required for USE
Each LAYER Of this inf ulated is covered with
thin vsxed psp.r previously to the application oil the
edipg lay r and the whole, when completed Is
surrounded With sheet guta pcrcha appied 80 S W III
II equally Oh all sides. Over the intervening gulta'
percfa is then wound shorer length Of copper wire
many times larger in diameter than the previous
length OF thin wire, but insulated IN the same manner
The extremity Of this latter wire Is brought nto con-
necton with the battery by means OF key USED "
the operator for the Transmission of Signals in such
MAJ uer that not only the circuit be made and
bI' ken at pleasure but tnat IN sna
The banae Of this key the operator never SENDS Two
curens ssivey from the same poe OF the DAT
.ry but tIaIsmrts alternately negative anu positive
el.ctricity The following phrnonlens are developed
IN the apparatus thus described when set LII MOTION
The gebeIa.0 Ill the voltsc series pass sim
pl, through me thick between pole aud pole OF
The battery, aid in their passage Temporarily convert
he hollow c,lLder Of iron into pvweriui electro
magnet the POSITION VI the poles Ut which may oe re-
yersd with each alteration IL the direction Of the cur
rent through HE thick wire.
The FL. tro-magLet thus formed reacts upon the
pr.at pcth of thin wire wound round the cylinder,
nduci, ~ il current If electromagnetic electricity
osessed of energy adequate to the length OF cable
il is required tO pass through. ~
IL will be seen that the nature OF this secondary cur
rent NAV be varied ut will by the employment OF bat
t.rles dlff ring in character las may De found most
sulied Z, the occasiuD) attached to the thicker or
pin ary wire If the COLL and mat further, as the cur
ieIt which pa-ses into the caUe Is originally gener"
a;eo in a wire Of only one-seventh the area VI the
main conductor III effect can occur to the Con-
ductor which might result khe battery Itself were IN
direct cCnne( ton with IT,
Prvyi,ion having been ade in this nanre Tor the
tbroua tIautmssIUn OF the electric CURRENT the adap-
ts,oh Of an instrument suitable To the Indication or
r.coi DING of signals is simply matter VI mechanical
mg.LuIty and ANY Vi the sensitive indicating or re-
cOIdins instruments now in use may be employed Tor
the purpUe. ,.,
irg signals by the Atlantic Telegraph Company Is
ooifcaiivn "a the well knswn marking Instrument
invented by Piof. Morse. o.:. NJ
Nr. Br, vkiuC, Mr. Pickering, Mr.. Crosole, hr.
Logie, Mr. BretI, Director, accompanied by Mr. Sd
ward, the Secretary Of the Atlantic Telegraph Com-
papy Air EDWARD Bright the Secretary of me Dnti'h
and IIi.h Ma. Letc Telegraph Company; Di. faner
Vi the United statos fgate Niagara suu o.nei gen
il.nen interested in tue succ. IS ~ the undressing,
reached Killarney Saturday night on rou'e iof
Nalentis. C.
The Bitch and Iri.h Magnetic Telegraph Company
ART progressing very rapidly WIN 'nc eIecuon W "
tyefgruund line vi Telegraph along the nl. h"ay oe-
tween Killarney and Valena for the purpose VI con
peciDg tue existing tees raphc system WIN tne Ausa
tic cable at the later place Dy means ot WHICH, unuei
an ar entered into between the and
e-cnc companies the whole Vt the lines III tn7 .nfee
kis,dcus 10 Geo niles in extent viii be available Tor
the rapid transmission Of intelligence between Europe
ard the American Continent.
The .Iiire through communication to |aientla lsef-
psct.d be completed by tue mid lie Oh next week,
when intelligence a. to the progress made in the paying
out Of the cable will be daily received and sent tol
waid by MIR. SawaId, the Secretary OF the COMPANY,
who viii r.u ain there with the staff vi manpuiaioiS
ultl the con petuu vi the undertaking.
(By Bril.h and Insh Magnetic Ielesnph)
VALEyrIa, Wednesday.
The ri, CARA Csptsin Hudson; the SIsquenaona,