New-York daily tribune., 1858-11-30

and IL an xious 20 cnnduc' ri his erp@r erts nIoo ts
wire at hs osn e1P"nse J. ne AtI"puc IsieE'spu
ncnsiiop 20 permit NJ. Hu yhes u try hs skii; ys,
arrange to say, though bJ-h parties are WiAhs,
noiLiic j. done nevertheless.
/, viii very likely be Interesting to many OF orr
readers # we explain at once on 1nat grVnGds NJ
Uuob.s re.ts bi. hopes OF making the de'unct wiIe
sek trsin especially Gs by so J'ng W. mag D. ao.e
to pilt cut tue geD. q nature oi Tue dicu!iic- "1h
have craduy made the signals from the otner ss "i
the AuaDtc uniLtelheibie; Wneh the mr. w
ful Gt.erpt vac uade T. lay the sire Il VII be rec".-
eci.d that II parted from under he Nfgars- stern a.
come $50 mics distance from the lrsh c)ast- lle
pee. TINS .ubu eTgt6 remained oi course attached 10
the shore end for considerable Per.I, ahl ,leA' III
lii. met time the pheno1 o magnetic storms or,
- ttey ,re now called ".arth currents, was ob-
sery.d OF tue causes 81 these e0rh currents, or the
law. b, Which they sr. governed, nothing yet Known
They NAV BIZ bT IL d--crloei as Irregular current %!
,ecyiry pes-ing thI0Ugh tue Vu-r wire covering ts
q, hi md Ln nCrari!ug 20 the aw- - niue eur
rerts crate another cuTrnt 10 tie conduc)r OF the
cable itself rnorng 10 co, rary drecuobt that III
which The earth current travels alony the nsle iAe
eff q he- upon lie cOBIg'tO- of cOGfscto dehcct
rady the needle Of the galyanoleteT - WI ch Il vas
attached ore csey IT signals were being sent quick
w. souei ines these earth currents were 50 v"eht as
t cause the Ieede to ybrate with such rap1Hy th4t
Vas myOe.ib.t 10 hllUV ~ movements vita the eye.
Sir gular enough the storm currents Away. o;
Their wor, at 10 O'Clock at and 10 in The morn
iug while they were, the OtLer land Away l-s.t
iet at II O'Clock N tie lO.Dlrg aud II al uisht Be-
yordtle,e general facts nothing see1s ~ have been
known about them. Wncn the cable was laid last
August the instruments were on the principle VI
MOIse's recording telegraph according - the -ysien
Of which three four currents or slgnas SCAT hcrOss
tie Atlantic n-c-s-Gry 70 form letter % Sori
nile the c,ble in gOOt JIder, and its ns1alpn
tol,ratiy peri, e. ths plan worked vel enough, iis
giedt.et and most serious dTawba only being tIat
the method very slow one, since on the average
four sgDals required 10 one letter. aud nve -iee
On the average went 10 ore sOId. However, all
weIt well ueti the sst increasing defective nsG alton
Of the wire became meLliest, aod the earth cur-
rents began To tase mp't uop!easant part IN
tie telcgraphing. a. the ec'tric current OF the
siguals o,t force hearing tie IRISH shore the earth
currents oydFOwered them, ma ~ the mlidie ~ the
letter mace one OT more uulnirI-bl- sigma the task
of reading became more anJ m'te diiDc1l, TIL, Win
the Increasing dtTasgeueI OF tle hLe, consecutive
woIds gradually ceased and al ast i.ters came
only al rare intervals. Comparatively speaking. tins
difficulty was not experienced on tnis side OF the ~
ai tie u fer the reasoIs We have stated, II had long
overcome the messages - America; ani 10 tAis
reason II is owing thai the rst signals sent from
here were constantly answered from Newioundiant
with "kepeat ana 9 y nj -loSeT." - much ipr
tie stcppage of tic ~fe. TIE reason Tor Nr.
Hughes couideut belief cf being able now to WORK
through simply Hrises nom the fact that his insirc-
m,n-the printitg TEL gr0phis not exposed "a any
thing Ike toe sane Gmouu, o! rsB iTom ea1th car
reI,s. His instrument ~, On small scale, on very
much the same principle t. shape and plan as Mr..
Hoes An erican printing mac. ne. j. IS worked by
of key note. Ike those Oi email piano, ach key
bcir marked win the letters If the alphabet. Thus,
touching key at cLd Of the nire Transmits a cur-
n 10 the otrer, whore. instsad of tie paper ~ IN
Morses telegraph receiving dint or mark taat forms
part of letter. the tniiIe letter Itself printed the
advantage # tins u obyious. One cunent suhi'es 10
form on letter ustant8ncously instead OF four i've
cunsIts. Less time is q us given for the action ot
earth currents; or even IN case Of ther acting hnt
printing in other letters than those sent,
Il by follows tha the letters mlsp' lced
7ould prev, Ut the accurate meaning OF the sentence
beng read. Allow that unSer the worst cream
stances oneurth Of the letters owing to the action of
tbeearh cuIrls, were wrong, su'lcient would beIght
ard suc, n consecutive permit tue meGnin oi the
whole Ia be freely read. At ell events MIR. III Ighcss
machine ut ICES tne currents 10 their utmost since e
makes Suffice for clearly printing one letter ic-
stead Of i,quifug three four. The only dolOt IS,
can tso such con phcated machines be made to work
With matht maticai accuracy when 3,UW mules apart
This objection is urged something almost insnpera
bic though none doly that II IS purely mocha-icsl
one, and one that be overcome. So far however,
ere We from considering it insuperabe that W. think
veiy inple process would remedy it If practically
such On obstacle IL found to exiet. VIII on by
means deny might be the Both the machines
a newfoundland Hnd Valencia woul1 have to b. made
With tie accuracy oi chrcnonoters, It being unler-
stood that both are To be put back TO gwen zero
when q message was either int or Llcliyed.