New-York daily tribune., 1858-08-04

Hou,e If Conron.by Mr. tltIfo!' "a fe."'u -
case Mr. Wapole aniwereJ tia; l. k,d iGuhd ~
record Of tie fact. an anss.r ~hl-h dsi'Ss -
record but 10, the tact. That things VII no' oe
allowed 70 rest at ihi. point, may be Inferred
Mr.. Tiies notice 'hat On az early doy neS' -tssyn
" he would move f5r 8 seiee, committee 70 h4--'e
a.;o lie cpera;i OF the Lunaey az.
THE ATLANTIC TELEGRAPH LXPkD..lOS'
Coir.,p> -5.Bo- of Tse LoasoD TiG.s
OrEgssrows Jii, g, 1855.
xbrt,srow bsxu 6oue CSC ts tsEsr - sly 10
dicaton II wh.: msy re expected t-oD '1.u e1o,s;
,bsr indeed the chances sgsIs: tie prsssL' o'n OF
cable btitg iafsiy eIo%erssd Se 60 m.oy eo'
s.rcrs ss 10 leave 10 rc)n Tor 5cpe tia' ~ heh
terrt III result ID aDytsirg oye t.sr iceet cl-c's'-
s,ea en-. sld injury 10 tie system Of Fsom.:ie t-s
7Isubs generally. L. vii, ncwtver, ts Ho-; eyre
eous piece of FLY Il any ore, j1tsos 70 n taese 's
peaied failures. fails into tae er.or oi s1p Pes '
an AtIantc telegraph caDno. % ls.i Wta is,
weather ard proper rops tie scheme csI Do o,r'sa
out with comparative esse ard q. Pss .as2 sal
d,.d,h cf TIE eIperse sni c.ih3Gliy sli-h haVs -
.eBded tie construction OF Eai our IA sys. ".si
tse rreseut cable togsys- il s quite Z ferent ns.-
or IL TIE recon. expedition tae Ira. fracture 'oog
pl.ce op board tte N.sg.'s; but ss tai va. ca1seo
b7 IN oversight IL tie ne'.snisn o' tte Ss'..s syn
pnlley which was Immediately Iec.1e1 sno oli not
sg.n occur i. ought rot 10 be c5uLeo e. sh)Dg we
crsrcIs .ysust tie tuccsss Of Tie rsI. srea.p. se
t.cypd biesk took place, bevond al co1bt, g. tae
bo.tcnn Of tie ocean, ard hOF was caused O. .2N
z "a
nnbroxn. This toG5en. ia btyorc 81 doG9, tre
rost discoursgirg crcInstacce c1urec'ef VI the
whole undertaking, fr, Il the co:jec:ne is eo-:ec:
that the rope psiisd "a consequence ol y: reshhg
scfoss sharp ledge Of rex IN tte oti o. tae ~
lsrtc fsial blow .s given ID every Z, re at mot,
70 matter with whst kud of cable & - rsde. In
fsct the only k'ud Of cable wh-h u suited ior the
ymk-a very Ign one-becOnes II this tuppos'lJn
of tie rocis below j. correct, TIE ve.y ore which
could not Be lsd intact Therefore prefer supp'seg
n AZ II arose from defect n the csoe Itself and for
ttCte reasons.
The whole cable vas orisirslly made 10 two mile
lergths and aftervsrd sp ced iogetner, 80 tna. IN
tie GO niles there txis. 10 less thsn Jj j)i0ts.
Ave a. these oirirgs Of the conductor = De relied
O., ,ud if not il not the Old story thst the strength
of rope s only the strength o. Its weaker pat
Again, how many air buoolfs c.n De found IN tre
putt. Iertha which iIc'otes the copper Hire Wnen
the frat splCe was s3s at The rendezvous one wss
found il tle very p.ece where the JOINT was n %
L ace, tLd Immediately cut out. Nniie ths caoe IS
paying out the tea q 10 60 sreS. tla, tue outHje
fprs aires compress tne lar out CT ~ g. Wst-r "ou1
be vrupg from wet cloth. Ou' OF how msny buo-
bles is the air pressed IN this msrner snf a. tae
cable desCends into the tremendous pressure OF the
Atlantic depths, does not the "s,er graouay ioFcs Ns
wsy in through The aperture thus left III the copper
cobduator 10 reached and Us incubation totally
destroyed On the voyage out TO the rendezvous the
ndeialgab,e electricians on board the Niagara de-
e ted While testing through the cable, total bre sk
of contr t. il the current, about JO mes below tue
surface OF mbn dtck coil. The exact spot was dig
covered the cable uncoiled and the Iiscs cut out,
when al examination showed thst the copper con.
cucter had forced is wsy TIL ough the guita perchs
ard yarn covering IN such manner es 10 togch the
out.de wires Of CouIse totally destroy Its electrical
continuity. Such defect wac at once reneoled, but
tie question naturally aIisss Ia nov many pisces mas
Tie corner wire almost forced its way through and
vet remains 60 close 10 the yarn and outside
wires that though is electrical condition is perfect
while the cable is IN safe OF rest, IFS insulation 10 de-
syoyed the moment the strain Of paying out comes
snrn n q no q
10 show why break might at the bottom OF the
fea il sad work to adopt such hopeless suggestion
as that natural obecs exist IN the bed OF the Aannc
about which 10 one knows any hing, and therefore
sgsrst which no ore can possibly provide. The third
and lsst break occurred a. your readers ere s1are
en- board the Agsnemnon and no investigation mas
thrown sny light upon the csuee OF t1s Sccdent 1t
wac pdeed said at the time Sst the reduction in tae
speed Of the ship had capsed her 10 fall off from her
courte and brought strain al an angle upon the
rope yer TIE stern wheel which the dyn4moms ter could
not giser though the tension was enough 10 bresk
the wme. Such MODE of accounting for the mishsp
is however r.dcu QUE &c the reduction in the speed
of the ship was oply from ur and half 10 three knots
per hour ard the evidence OF al the officers OF the
watch on deck could be brought 10 Prove that the
ships head never altered by the fraction Of point
from e proper course The solution Of the difficulty,
therefore, is simply ths. it was weak portion Of the
cable, ard that breke under strain OF lees than one
tun.
Ihcse connected with the undertaking on board
both vessels carrot entirely conceal that the rope is
rot tit for the work. ard that ire wire caoles, such
as tbis will not keep, but must be submerged as coon
az possible after they are manufactured The present
cable has been made year and halt, and dur'1g
that time what With ceiling and uncoiliDy snt water
getting at it IN many places IN spite OF the tar aud oil
ard rnstipg the wire from the inside, toe efficiency
of the whole has been most sadly deteriora.sd ss q
deepsea cable. For any water less than 900 or
eG0 fsthoms is still as hne submarine wIre as ever
was made, aid ii would be admirably suited for the
Red Sea- line, one from Malta to Alexandra.
Durirg last Autumn. while il was being uncoiled a.
Keykam, i; suffered so much from damp and casual
wet that, en- Us next examination, very many miles
had 10 be cut away in psrts where It was emos. rust
ed through Ii Is quite true ths some OF these pieces
were te,t.d and resisted strain OF than three
tune but on the other hand, there pieces go far
gone as TO be utterly worthless for any strain. The
point Of fracture where the cable broke from the
AgsmemnCn showed unmistakable signs of rust inslde
the outer wrts though by no means TO such an
tent would apparently account FOR the breskage.
have alreaoy said ths even 3ii the pre- ssns G Gespe
means be regarded encouragement 10 the en,er-
pI'se thoush IL should most decidedly teaca future
Companies the necessity OF having nothing further 10
60 with wire covered cable for the Atlantic. In all
other seas where strength is Necessary and such
tremendous depths OF water exist, le-.opes msy not
only be good, but even requise but for the Asntic
uothirg bu, the comparative infancy OF the scienes Of
cab e-lsyipg NJ ever excuse tle sttemp. hsyng been
made with such description OF rope.
The precise cost Of the Atlantic Telegraph Comp any
rope msy not be kuown, bus | thiuk | sm not TAR
wiorg in saying that TIE Company paid I r per nils
for the wire u Us frs. stse, i. from the CUTS
Psrcba Compspys works, and siterward paid ( - per
mile for having il sewed round with creased hemp
warn. ard thea incossd in the strands OF iron wire.
II is this second most unnecessary outlsy for the
wre which has made the chances against the success
OF the whole VI Undertaking % many and serious.
While il was only wire covered with eutts peichs
and creased yam il could easily have been psyed
out 10 any depth but the brief traditions OF submarine
teleersphy are al in favor OF tremendous iron wire
eoyerirgs' notwithstanding the lamentsble loss of
property which has resulted from the etaployment Of
men ropes in toe Mediterranean Therefore with the
Atlantic cable said If the rope is not covered
viii wire how viii il be sbe TO resist the strain Of
paving out quite forgetfl Of the fact that such
rone. ftom as specific hshtness, would require no