The Atlantic Telegraph (1865)Russell, William Howard, Sir
History
The Atlantic Telegraph (1865)
Russell, William Howard, Sir
Transatlantic cables
Such was the foreshadowing of the great calamity that was so soon to
follow. Public excitement became intense. The market value of the
Atlantic Telegraph Stock assumed a downward tendency, and fell rapidly.
But the projectors had not been idle. A rigid inquiry had been
immediately instituted by Professor Thomson, Mr. Varley, and Sir Charles
Bright, which enabled them to arrive at a conclusion that the fault must
lie on the Irish coast. Consequently the Cable was underrun for three
miles, cut and tested; but no defect being found, it was again spliced.
During all this period its electrical condition had become so much
deteriorated that such messages as passed required to be constantly
repeated.
So matters went, hope and fear alternating, until the insulation of the
wire became suddenly worse, and at last the signals ceased to be
intelligible at Newfoundland altogether. Scientific inquiry tended to
show that the fault lay about 270 miles from Valentia, at the mountain
range which divides the depths of the Atlantic from the shallow water on
the Irish shore. This steep range, or sloping bank, which, on being
sounded, showed a difference of 7,200 feet in elevation in a distance of
eight miles, had been crossed by the Agamemnon an hour before the
expected time, and it was said a sufficient quantity of slack had not
been thrown out, so that the Cable was suffered to hang suspended in the
water. But this was of course mere conjecture, and the failure most
probably was precipitated by injudicious attempts to overcome defective
insulation by increased battery power.
The conclusions finally arrived at by the Scientific Committee appointed
to report as to the causes of the failure of the Cable were, first, that
it had been manufactured too hastily; secondly, that a great and unequal
strain was brought on it by the machinery; and thirdly, that the
repeated coilings and uncoilings it underwent served to injure it. To
such causes was the failure to be attributed, not to any original defect
in the gutta percha.
Mr. Varley stated his opinion that there must have been a fault in the
Cable while on board the Agamemnon, and before it was submerged; but
none of the theories accounted for the destruction of a Cable on which
half a million of money had been expended, and which (if successful) two
governments had contracted to subsidise to the gross amount of
28,000_l_. yearly. Thus were annihilated, silently and mysteriously,
all those hopes which had survived so many disappointments, and which
for a moment had been so abundantly realised.
But in England, as no ebullitions of joy had been indulged in when
success seemed certain, neither was there now any yielding to despair.
Public-domain text, read in full here on John Shaqi.
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