The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1857-09-06
THE ATLANTIC CABLE.
Hints from COMMUNICATING OF = Float
Ing Tube for Paying Out the Cable, etc.
uDIroR

Ing Tube Tor Paying Out the Cable, etc.
TO TIE HDIroR OF THE HERALD.
10 obviAie the the principal cause OF dan
ger 70 which the failure In la, Ing The Atlantic cable a.
6buted, would suggest the expedlency OF passing the
cable from tho shp through tubes wood of length In
ALL when connected togo her. of eight hund, ed thou
sand feet The tubes, each Of length or say fce
be easily constructed in semi cylindrical sections by
growing, and cd by clamps or fastening.
Their intefr diameter TO be su the passage
the thick shore end Of the cable abou~o Inches ana
NE exterior may bo In the form Of square of three or
four inches the whole Of the joints when placed end In
line TO BIO lashed firmly 70 two ropes running one on
either side and OF sufncen strength 20 the who'll
hrmly 10 the end sf The tbp To add buoysnoy 10 this
floating, At xbe tube gudna Siroe Of cork dned to
the sizes OF be attached to several Joints and 70
wards the exremy air nset finders Of TIM oainsed Of
about four inches diameter and corresponding with
wooden oinis be likewise he'd to the upper su-
faces These cy rders should pointed g.
the cable wonid DO projected fro rupture any
dAmsgI strain BY the surglng sudden elevation OF
rern Of ~ snip-s danger which hardly fall to
II the caoo be run out into de+ nearly vertical
direction, as appears have been the when
broken The effect ulop the cable At lie point Of depart
ture from The floating tube through the violent surg
Ing Of the chip, would be 90 nappreoabe 10 add little
II Indeed sbythiog, to the strain upon submerged
tion Of u me joint o. ne suhs nearest he ship 'ga
stance were lined 9Th guttA percha other softer
Erai might DO 20 const ucted by external
moderate ctiopa restance) the speed Of the cable in
running out The joint 10 queaon should for this pur
be lime required for The sub ldence Of the cable 10
water must be much greater than estimated Deripg
ths procs will be nece asy subject 70 the inau nce
certain desro0 OF under and,
. larger extra quantity OF cable than constructed will
reed 10 be taken out on The next trial sugse the sone
plan Of eating tube the hope that lead minds
OF more mechanical turn than mine - project some still
better c0ntfvaDCc A
s-snce writing the above, very Ingenious mode,
OA Tai nA1 nF
sprIg guard TO be aachei loosely TO cable at dis
tsnce OF two thousand yaris FROM and eoted
10 the stern Of the strip, tie cab be- securely
sripped and prevented from being lost Tnis 90 lid be
easily worked hh the 1oaing tune above described.
BRooKIyH, August 20, 1857
TO THE EDITOR OF THE HERALD.
Nsw YonK, August 80, 1857.
u seems the protectors Atlantic cable have
overlooked very important feature In laying down
They should commence ths side OF tho ocean IL
well knewn that the gulf stream towards tho north
and east, and the ang winds VI the North Atlantic
much quicker eastern passage than the western II is
very important that tho Gable stoh be laid With the
curiens, or as near - possible as ,ae immense length
carry miles out OF IL coupe l -ould aleo suggest
heavy leaden weiehh At certain distances from each
other to facilitate the sinking of the cable. w. II N
TO TIE BDIToa OF rHB HERALD.
The successful bypg Of this cable depended upon the
Firrt--rhe cable to have clear run wi4,out being
chssd or amm.d against the sides OF the groove In the
deliv ering wheel
secopaThe cable paid on. q, the same rate as the
ships run, with tendanI apparatus merely 10 accee
rate Te'Ard ~bsb ersary.
fhrdFhe cable could not bs b'oKsn by tho ahp's ad
vance
case The sbr's ,olns win tend 10 ,1ro the cable
from sIae to side Of tDs grNovo aud heavy nrch Gill
csu,e Il To surge entirely out Of is berth (nancai 10
obv.se ,bs axis OF thf wheel ough, traverse p,rt
AID ssaIsear1 Sufficient d!siaaoe to Accommodate the
roll
Case D There should be stubborn brake for that
would ihevGhiy brc al has bet satisfacso-
rily rro- er.-"Frperisliic iocit rutsm -
Case 3-The brake brakes phouid be eas,in and in.
dics,ng the susn that Is then upon the cable, which
ovgh to exceed enc hsf Of its strength To insure
the equality OF the ships and tho cables the
cable must he supplied direct by The revolutions OF the
stips propeller Af,sted have said, occasionally by
power in which indicates the force, but cannot
The machine that has been put together 10 COMPLEX
exJtn,ve and clumsy woocen frics,D wheels and roll
lers connected BY elastic bsnds, would have sorse ed
ID better than tooth and p'non and moiey Of the
cost Five knots (which IL ~ milcs) per hoar Ia TOO
"wsely and slow; they stumble that run ras. Z"
CoLD srRne, Angus. 70, lsel, tStokspere.
TO sHK EDITOR or rnR HERALD.
An explanation OF the supposed under currents, the
influence Of which many persons dspo,ed 10 attribute
OF the cable will be found 10 the enclosed essay
publshed some time since In the HnRAIs, and recently
quoted In reference 70 the Management. Of .hc cable
the direction Of ts inclination there pointed (sce
paragraphs marked a.
Tho secret Of the anomalous temporary Interruption
continuity will be found In The paragraph, markedb
ne copper conducting wires we're drawn and broken
the gura percha ching the sJrals OF The
wires elongated, the continuity Vas Lost Bat when
that portion OF the cable approached the bottom 10
slact, ~ II deposited In "waves he bot
TOM the sul,a percba relieved Of strain and by virtue
OF s elasticity contracting brought together Tho ends
the broken conducting wires thu, restoring continuity
This restoration Of continuity, which mgni been
anticipated had due regard been paid TO the construction
Of the cable and Me vapins conditions 80 -h'ea ".
subj vet In paying out s,rk ng proof aci tb.. Tho
conducting wires were broken on the way down While
the ga,,s percbs remsined unnsrmed, though strained
severely Had continuity not been 70 established the
Interruption would have been generally attributed 70
abrasion OF the gotta perchs, and srea Of
struc,lon would nave remained snsed
J. NJ BROKE, Lieut. q, : N
There are U me who doubt the possibility OF laying Q
telegraph ca,s across the Ain 10 think u may be
q he project "a much -inin the limits OF probsptiy II
true that have bit 10 experience IN this kind Of on
tneerDs yet kindred hratens' there have born msny
erestg fac,s developed beau directly uoon ,nis sub
ject WetIo- for instance that ret Frequently four
or ave miles OF mall isine, Ices insn scnts Of
inch diameter have been te.rse into sod dragged ny
heavy h " inc bolom Of the sea add that in some
n,rces these lines have bcea recovered from depsn OF
nea,y four miles
pay This eey out, snd "a sh ne anip.
nigh, a. from Ne- Yo's 70 rsano, aud " the me
AGA epor Ph ~ the nsnds ~ diverse rrests N
Or IA be uubrpktn This t-iue uoud req tire no reuu
ast,o Aincy. but -ould ,cs'css .Uk 70 mo
Nss III go erperimene " IRE can sres n, under tie
sir, e,rn OF Ieuenst Wslsh nle, OF stecl ~re
veefed out CD CT sered bofire bressue
You nigh then, bu,fr ~ boo r.yia descent the
~nh -te - uld reach botton q,ickiv bts WoJd ne
qtnve ~ minps acennoa ard ayyl,ancs,
Trgu II. ndt guard sssirst .a.e ~ taat sha
W require q b opt,.>, asp >-e. ~ strength OH
ne hghness n fc'ne. % Hsty,c oab thaf may ic
up ne ,c,r, - fsf ia wrg sion % the bot rhs "a
lk,p dther hghssi yat ~ seea Tat k greatest
saaoe the d,sonf IA oabL Fsoy h. ottrnef AND Ne
d,n, b stde s,coy dvintsA>d This favorable Of ell
CONDITIONS only mued by the prob sble strain arising
ffou The &C len az upsqt si currents
Gurs pertba the insulsaisr msierai, ans-ds ready
mcsns o. ounshpe he specins gravity OF sire cabbs.
y true that In asdirG futla pe cha the surface
sSrcso W me s~tvn ~ these Currents ~ih Ne lsctess
ed bot here evidence OF Their sb~-ne q the depth
N thousard n this Learn by ucro,cop,r cram.