The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1857-08-15

los Of the cable before be spced Let Us see If this
snpt oolscson does not turn out 70 be the canse Of
Asus Of this great undertaking. OBSERVER.
The Atlantic telegraph
From the London Post July 81
Tho alteration from the original plan OF ing down the
Atlantic telegraph cable though il will delay FOR short
time The completion of the Communication between the
two continents has the advantage Of enabling this
eide The Atlantic 10 know from hour hour how the work
proceeds, and In the course Of few days shs
bic Will be the telegraph station at Valen
TIA, end then tie Agamemnon the Niagara with their
cSed in company to Newfoundland when one OF the ARE
ehs from which the cable has been has dis
burg the end Of the nrH half will be connected
that ooed up In the hold Of the other ship and by that
time the success failure Of The undertaking win al
mos csdsny known, for NE greatest Of The difficulties
oejeoons have been taken the machinery for paying
out The cable - 700 cum brous for The work and likely
Ss ss Of the o. he w1s
rope derent but from neither Of those circumstances
nsed there b much sp and the second obsc
difficulties those which pertain the verJ nature OF
the eossrprsetbe difficulty Of maintaining perfect neuls
trctty Whs effect the pressure OF the water Al great
depths may have on the elastic Insulating mseriss In the
nrss paos, renaIs TO bs seen Al depth OF tSo miles
Inch Of surface and the efec Of thai compree
sion on IN classic body may be conceived when II is stated
Of walnut shell; and ., depth Of three miles would
be denser The gutta percha rope
ouch presume may be squeezed into tenth
their present thickness and the insulated will be
ooupressed within the olier casos Of wire rope, II
bad sbrunk fro H. leaving water between them
What eject this compression Of The guta pc, ,ha on the
Inner wire may have % the insulation remains 70
proved but inclined think the compress on
Of The Insulating material will be beneficial rather than
otherwise; and the outer caring OF wire rope s
separation will be OF DO CONSCIENCE regards the secur
or the Insulation OF the uire. II 10 questionable, In
deed whether has not been from The beginning an IN
necessary AZ vel - = cnstly appendaSe.
Assuming, then that no disruption occurs In the laying
do W. that Insulation remains infect the question
70 be proved Is whsther dtiact electric signals
sent sucoeslvely ihroosh The submerged wire with SUN
Gent rApdy 70 be available for teleg Aphio purpo,es In
The experiments Of Mr. whiehouse vich through
1000 miles OF vire the signals transmitted the
Ing from end Of the wire the other was three.
quarters OF second. thus appeared that two or more
separate signals were rsvcrsrg the tame in
slant Another experiment which ,od In fayor OF me
GraneemsiU made for dscharging the electricity from
the wire After each ,gn.l was this wntn az ins,an.
wire, IL remained charged with electricity for several
sec,nds, and the shock received the tongue nseId
Of being violent and instantaneous, became prolonged
electrical sepsaon indicsrg clearly the detention OF
electricity In the wire But by reversing the dir.
sensation ceased fsom which II may be aferred hai BY
reversing the amer each signal the wire will be
sreieniy discharged 10 transmit another sisoaI inst>n
Wet. srcrrie G bsry ,SIo 1s1isf s s,gsai aud
~ 0s .aosod r. ir.s,sd ,rtr, eSs Z sg inosrz ai
Se-y dToes ret gag y oeatned hs 0 telegraph iarg
be sui .obAy sntsra ned tina, 50 The cable safely
deposited In the bed CT the Atlantic may be
discharged Of eectr iy with sufficient rapidly afleY
sisns BY merely reversing the electric current Should
This difficulty occur, vin begin afser sbou,
400 Des OF the cable have been laid down, and shall
look with muoi city for the reports OF progress
Ger that di'nSce has been completed
no.e not scau,nled -i,h slerspbc operation. may be
81 ss 70 kpo~ how, sith single wire, o voltac cur
reni can be completed In the early stages Of ecrc
teh graph u vas customary 70 employ second insulated
wire n brig back the The voltac battery
II Afterwards found that The molsi esrth good
conductor Of electricity thai viii purpoSe bet
erppA stations TO bury plate OF copper N u. ground
and 10 connect with the vobae batteries BY wire and
Cha, meal plate Keep, up hs electric 60 IN inic.aou
ps,es bu red 10 The Atlantic telegraph the return
current win the be copduced through the
sea BY communication win immersed meta plates 90 each
side Of me Atlantic
The Atlantic 1unnar~gh.
DnfyR By TIN sHAREHoLuUk OF THE COMPANY
TO TIE CAPTAIN AND oyyIoERs or THE NIAGARA
-srscHHs, LkTrnRs, roAsrs, Erc., Erc.
On Monday evening the 2oth or July, the captain and
ofnoer q The Niagara, the captain and officers OF The
susquehAnns and number Of ether eentlem pre-
sent dinner given b. The shareholders OF the Atlantic
7ekgrapo COMPANY In The Adslphi Hotel, Liverpool
This the fourth dinner which has been nj van Al this
pscs In connection with this great enterprise
There were preIeni Of this entertain mept bc,v.ss
eighty and ninety gentlemen, including Captain Hudson
Captain Sands, Mr.. Bushell, Mr. J. II nacrSe and Mr.
r. n Chambers. ~ MI
Mr. Bushsn presided and on his rxb "a, Canal, Had
sop viii The leu vas Captain sands
When full jus Ice bad been done 70 the viands M ohr
Finch he Honorary Secretary Of the Atlantic Teesrsnh
Company, read The following letter. FN
yxsroSs Horn JorDor, July 20 1881,
syour polite invsuon 70 dine this evening Iver Soo
eusquehanns and the Liverpool sharehoders Aiantr
TELEGRAPH company ceived and exceedingly ihs,
sccepilL These 70 be an iwporsn meeting here
which, think my dut, attend u would have ryen
me srest pleasure have vi you evening and 10
you and The othe- holders
Isptic Teieg aph Com pany bright propect When
no boerd the fhga ard Asamemnon and the per
fert arrange fov the Atlantic csbs
ins The great OF those engaged important
vork eannc doubt of complete and 10 sbou
mos u peaee looh for message from The other
of the atlantic thu viii eecrfy the shareh ldsrs
psny vii drns abumpef the drtc,ors 70 the
tse phic Of hngind aud and be
.neurng AZ ne focn Of rswfoundlaDd md he ela o. old
10 ions TIEcn Esq No Ooot street. Liverpool,
TIE CHllssAs then rose and said :-Gentemeu, give
you-"Her Majesty the Queen" The toast wss drank
vim tnihnsssm Ar-"God save the eieen."
ne CH.nsAr-Geptemen, have noe the pleasure 10
yropse v you The Presiden, ~ the United States (Heu,
beN nay be and those mo succeed him long rule over
nshon ne.i slorioos and free (Cheers) fuse these
eormt Va ther highest and most noble sense Nay ths,