The Cable That Failed Twice

• Introduction
• Chapter 1 The Vision of an Ocean Bridge
• Chapter 2 Sounding the Atlantic Abyss
• Chapter 3 The Electricians Assemble
• Chapter 4 A Difference of Philosophy
• Chapter 5 The Atlantic Telegraph Company
• Chapter 6 Iron and Gutta-Percha
• Chapter 7 The Fleet Sets Sail
• Chapter 8 Disaster in the Deep
• Chapter 9 The Mid-Ocean Rendezvous
• Chapter 10 Storms and Broken Strands
• Chapter 11 Shore to Shore
• Chapter 12 A Queen's Message
• Chapter 13 The Fading Pulse
• Chapter 14 Five Hundred Volts of Ruin
• Chapter 15 The Silence of September
• Chapter 16 Inquest and Indictment
• Chapter 17 The Physics of Retardation
• Chapter 18 Years in the Dark
• Chapter 19 The Great Eastern Awakes
• Chapter 20 Redesigning the Wire
• Chapter 21 The 1865 Expedition
• Chapter 22 Lost at Two Thousand Fathoms
• Chapter 23 The Final Attempt
• Chapter 24 Grappling for the Past
• Chapter 25 Two Cable Triumph and the Dawn of Global Signal Logic

In the mid-nineteenth century, the Atlantic Ocean was not merely a body of water; it was an immense expanse of time. Information traveled across its three thousand miles of cold, stormy surface at the speed of a steamship, binding two continents to a delay of at least ten days for every inquiry, news report, or diplomatic dispatch. To bridge this vast marine abyss with an copper heart—a continuous electrical telegraph wire laid across the dark ocean floor—was the single most audacious engineering ambition of the Victorian age. It promised to shrink the planet, turning weeks into minutes and inaugurating a new epoch of instantaneous global communication. Yet behind the heroic narrative of technological conquest lay an untold story of catastrophic ignorance, hubris, and an intense intellectual feud that nearly destroyed the entire enterprise.

At the center of this drama stood two men with radically opposed visions of how electricity behaved and how human ingenuity should master it. William Thomson, the brilliant young professor from Glasgow later known as Lord Kelvin, viewed the subsea cable through the lens of mathematical physics. He understood that electricity in a long underwater line did not flow like a bullet through a barrel, but rather soaked into the wire like ink into blotting paper, creating a sluggish, smeared signal that demanded the delicate, ultrasensitive detection of tiny currents. Opposing him was Dr. Edward Orange Wildman Whitehouse, a former surgeon turned self-proclaimed master electrician. Whitehouse believed in brute force: if a signal grew faint over two thousand miles of ocean, his solution was to hammer the cable with immense surges of electricity from massive induction coils, forcing the message through by sheer electrical violence.

The tragic collision of these two philosophies unfolded during the ill-fated expedition of 1858. When the first transatlantic cable was finally landed after years of heartbreak, storm-battered fleets, and broken wires, the world erupted in wild jubilation. Fireworks illuminated London and New York, and Queen Victoria exchanged historic greetings with President James Buchanan. But even as the public celebrated the dawn of a new connected world, the cable was already dying on the ocean floor. Driven by Whitehouse’s stubborn adherence to high-voltage bombardment, hundreds of volts of electricity burned through the thin gutta-percha insulation, corrupting the signal into an unreadable whisper before plunging the transatlantic link into total, humiliating silence after just twenty-three days of operation.

The collapse of the 1858 cable was a disaster of unprecedented scale—a ruinous financial failure that burnt millions of dollars and cast profound doubt on the very possibility of deep-sea telegraphy. Yet this failure became the forge in which modern electrical engineering was born. In the dark years that followed, British science and industry were forced to confront their ignorance. The disaster sparked a monumental scientific inquest that transformed telegraphy from a realm of empirical guesswork and eccentric tinkerers into a rigorous discipline grounded in precise measurement, standardized units, signal theory, and unyielding material quality control.

The Cable That Failed Twice tells the complete, unvarnished story of this extraordinary technological quest. It traces the journey from the early sounding expeditions that mapped the mysterious Atlantic abyssal plain to the terrifying storms encountered by the wooden warships carrying hundreds of tons of iron-sheathed wire. It follows the dramatic trials of the mid-ocean rendezvous, the heart-wrenching snaps of wire disappearing into two miles of ocean, the courtroom battles over blame, and the eventual rebirth of the project aboard Brunel’s gigantic, legendary leviathan, the SS Great Eastern. Ultimately, it explores how the failure of 1858 paved the way for the astonishing dual triumphs of 1866, when engineers not only laid a perfect new cable across the Atlantic but grappled into two thousand fathoms of black water to resurrect the line that had been lost the year before.

This book is both a gripping historical narrative of industrial ambition and a study in the birth of modern network logic. It offers readers a front-row seat to the clash between arrogant dogma and scientific truth, illuminating how hard-won failures in the deep sea established the foundational physics that power our own digital, interconnected world today. The story of the transatlantic cable is not merely about iron wire and sea water; it is about the resilient, agonizing process by which humanity learned to speak across the globe.

In the early months of 1854, a young English engineer named Frederic Newton Gisborne sat in an Astor House hotel room in New York City, thoroughly broke and nearly out of options. Gisborne had spent the preceding three years hacking a survey line through the tangled, spruce-choked interior of Newfoundland. His goal was ambitious enough: he wanted to string a telegraph wire across the island to its easternmost tip at Cape Race. There, fast steamships arriving from Europe could toss canisters containing the latest Liverpool cotton prices, London political rumors, and European battle dispatches into the surf. A waiting rowboat would fish the canisters out of the water, a telegraph operator would hammer the words into a key, and within minutes, the news would light up the tickers of Wall Street and the printing presses of Manhattan. It promised to trim two full days off the transit time of international news.

The reality of Newfoundland, however, had broken Gisborne’s backers. The terrain was an impassable labyrinth of granite ridges, peat bogs, and icy rivers. Gisborne’s men had mutinied over unpaid wages, suppliers had seized his equipment, and the Newfoundland Electric Telegraph Company had collapsed under twenty-two thousand dollars of debt. Desperate for fresh capital to revive the enterprise, Gisborne came to New York looking for anyone with deep pockets and an appetite for high-risk infrastructure. An acquaintance gave him a letter of introduction to an address on Gramercy Park, the home of a retired paper merchant named Cyrus West Field.

Cyrus Field was thirty-four years old and suffering from the peculiar restlessness of a man who had made a fortune too quickly. Having entered the paper trade as an errand boy at fifteen, working fourteen hours a day for fifty dollars a year, he had built his own merchant house through relentless thrift and a terrifying capacity for work. By thirty-three, he had amassed over a quarter of a million dollars—a vast fortune at the time—and retired to travel through South America with the landscape painter Frederic Edwin Church. He had ridden mules across the Andes, collected exotic birds, and returned to New York thoroughly bored.

When Gisborne laid his maps across the library table in Gramercy Park, explaining the geography of Newfoundland and the value of intercepting steamships at Cape Race, Field listened politely. He was not an engineer. He knew nothing of electricity, galvanism, or the mechanics of submarine cables. He understood ledgers, freight rates, and market arbitrage. To Field, Gisborne’s scheme seemed small. Slicing forty-eight hours off a ten-day sea crossing was a tidy commercial proposition, but it did not fundamentally alter the mechanics of human civilization.

After Gisborne left that evening, Field walked over to the large terrestrial globe standing in the corner of his library. He spun the sphere and put his finger on the ragged, fog-bound coast of Newfoundland. Then he traced a line east across the Atlantic to the southwest coast of Ireland. The distance was just under two thousand miles.

Field wondered why anyone would stop at Cape Race. If an insulated copper wire could be dropped to the bottom of the Gulf of St. Lawrence to connect Newfoundland to the North American mainland—a prerequisite of Gisborne’s plan—why could a wire not be laid all the way across the ocean floor from continent to continent? Instead of saving two days, it would annihilate the entire ten-day void. London and New York would be brought into direct, simultaneous conversation.

The idea of a transatlantic telegraph was not entirely unprecedented, but in 1854 it existed purely in the realm of scientific speculation, regarded by most practical men as lunacy. Overland telegraphy had expanded rapidly since Samuel Morse had tapped out his first public message between Washington and Baltimore ten years earlier. By the mid-1850s, a spiderweb of iron wires hung from wooden poles across Europe and eastern North America, humming with commercial traffic. Overland lines were straightforward: if a pole blew down or a wire snapped, a lineman with a pair of climbing irons and a wagon could locate the fault and splice it within hours.

Submarine telegraphy was another matter entirely. Water was a conductor; drop a bare wire into the ocean and the electric current would bleed into the surrounding sea within an inch of the shore. The entire enterprise depended on finding an insulating material that was flexible, entirely impervious to salt water, capable of withstanding crushing hydrostatic pressures, and chemically stable enough not to rot in the dark.

That material had only recently arrived in the West. In the early 1840s, a British surgeon with the East India Company, William Montgomerie, had observed Malaysian woodsmen using the boiled, coagulated sap of the Isonandra gutta tree to fashion handles for their parang knives and axes. The substance, known as gutta-percha, possessed remarkable properties. Unlike natural rubber, which became brittle in the cold and sticky when heated, gutta-percha was rigid and tough at normal temperatures. When immersed in hot water, it softened into a plastic paste that could be molded around a copper wire; once cooled, it set into a seamless, flexible, water-tight sheath that offered nearly total electrical resistance.

In 1850, John and Jacob Brett had laid the first rudimentary gutta-percha wire across the English Channel, from Dover to Cap Gris-Nez. It survived long enough to transmit a few garbled characters before a French fisherman hauled it up in his trawl net, hacked out a piece to see if it contained gold, and carried the strange seaweed-covered trophy back to Boulogne. The Brett brothers returned the following year with a much sturdier cable, armored in heavy iron wire spirals to protect it from anchors and rocks. That 1851 Channel line held, demonstrating that an underwater electric circuit could operate reliably across twenty miles of shallow water.

Other short subsea lines quickly followed. Wires were submerged across the Irish Sea, the North Sea, and the narrow waters of the Mediterranean between Corsica and Sardinia. Yet these crossings were modest ventures carried out in shallow shelf seas, rarely exceeding a few dozen miles in length or a few hundred feet in depth.

The Atlantic was a different beast altogether. It was an oceanic chasm of unknown topography, swept by violent gales, infested with icebergs along its western approaches, and descending to depths where no human device had ever traveled. The longest submarine cable in existence in 1854 was barely over a hundred miles long. A transatlantic line would require nearly two thousand miles of continuous, unbroken conductor to be laid in a single operational effort across water two miles deep. No ship afloat was large enough to carry such a weight of cable. No machinery existed to lower it without snapping the wire under its own suspended tonnage.

Field, possessing the supreme self-confidence of the mid-nineteenth-century American capitalist, did not view these obstacles as insurmountable. To his mind, they were simply engineering challenges to be measured, funded, and overcome. Before committing his own money or approaching his wealthy neighbors, however, he sought expert counsel on two fundamental questions: Could an electrical signal actually travel through two thousand miles of submerged copper? And what did the floor of the Atlantic look like?

To answer the electrical question, Field wrote directly to Samuel Morse, who was then living in retirement in Locust Grove, New York. Morse had actually predicted an ocean telegraph a decade earlier, writing to the United States Treasury in 1843 that "a telegraphic communication on these terms may with certainty be established across the Atlantic Ocean." Morse immediately took the train to New York, met with Field at Gramercy Park, and enthusiastically confirmed that the project was theoretically sound. Morse promised his full technical backing and agreed to serve as the project's honorary electrician.

To answer the geographical question, Field sent an inquiry to Lieutenant Matthew Fontaine Maury, the superintendent of the United States Naval Observatory in Washington, D.C. Maury was the world's preeminent hydrographer and oceanographer, a man who had dedicated his life to mapping the currents, winds, and depths of the world's seas. By a stroke of remarkable timing, Maury had just compiled the results of recent soundings taken by the United States Navy in the North Atlantic.

Maury’s reply arrived in New York within a week. He informed Field that the ocean floor between the west coast of Ireland and the eastern shelf of Newfoundland was not a chaotic landscape of jagged volcanic peaks and abyssal trenches, as many had feared. Instead, recent surveys indicated a vast, elevated, and remarkably flat plateau of soft sediment, resting at a depth of roughly two miles. Maury named this geographic feature the "Telegraph Plateau."

The ocean floor along this stretch, Maury explained, appeared to be completely sheltered from the violent surface currents and tides that ripped through shallower seas. Microscopic examination of the sediment hauled up from these depths revealed the unbroken, fragile shells of tiny animalcules—foraminifera—so delicate that they would have been ground to dust had there been any currents at the bottom. Maury wrote that the Atlantic floor was "a plateau which seems to have been especially provided by the Author of nature for the purpose of holding the wires of a submarine telegraph, and of keeping them out of harm’s way."

The confluence of Morse’s electrical optimism and Maury’s geological endorsement was all Field required. The scientific authorities of the age appeared to have given the ocean bridge their blessing. What remained was the task of raising the capital, securing exclusive landing rights, and building the necessary infrastructure.

Field wasted no time. Over the course of four consecutive evenings in March 1854, he gathered a small group of New York’s most prominent financiers in the dining room of his Gramercy Park home. His guests were men of immense wealth and conservative business habits: Peter Cooper, the venerable industrialist, ironmaster, and founder of the Cooper Union; Moses Taylor, a shrewd banker and merchant who controlled the National City Bank of New York; Marshall O. Roberts, a shipping magnate and capitalist; and Chandler White, a retired merchant and close friend of Field. Field’s brother, David Dudley Field, a prominent jurist, served as legal counsel.

Sitting around the dinner table over port and cigars, the men listened as Cyrus Field laid out the vision. He showed them Maury’s hydrographic charts and Morse’s letters. He made it clear that Newfoundland was merely the stepping stone; the true prize was the monopoly over transatlantic electrical traffic.

The initial skepticism was palpable. Peter Cooper, who was seventy-three years old and had built his reputation on solid investments in iron foundries and real estate, pointed out the staggering unknowns. No one had ever manufactured two thousand miles of continuous insulated wire, let alone laid it at sea. If the cable snapped in mid-ocean, the entire investment would vanish into the abyss without salvage value.

Field countered every objection with relentless energy. He argued that the British Empire and the United States government would both provide naval assistance and subsidies to secure a communication line that would revolutionize diplomacy, naval strategy, and commerce. The potential revenues were astronomical. Every bank, insurance underwriter, news agency, and brokerage house on both sides of the Atlantic would be forced to pay whatever rates the company demanded.

On the fourth evening, the men agreed to form an alliance. They signed an initial agreement pledging their personal credit to back the enterprise. On May 6, 1854, the group met again to formally incorporate the New York, Newfoundland, and London Telegraph Company. The five men subscribed to the initial capitalization of one and a half million dollars, with Field himself providing a substantial portion of the funds and taking on the role of vice president and general manager. Gisborne was bought out, his debts settled, and his proprietary rights in Newfoundland transferred to the new corporation.

The first order of business was to complete the grueling land line across Newfoundland and connect the island to the North American network across the Cabot Strait. Field had radically underestimated the logistical nightmares of the Canadian wilderness. What was supposed to take a single summer and a modest budget dragged on for two brutal years and consumed more than a million dollars.

Roads had to be hacked through miles of virgin forest and dense alder swamps. Thousands of cedar poles had to be dragged by hand and horse teams through trackless bogs. Blackflies, mosquitoes, and winter blizzards battered the construction crews. Field traveled to the island repeatedly, chartering supply schooners, tramping through the mud, and constantly injecting more of his own capital as costs doubled and tripled.

In 1855, the company attempted its first marine laying operation: eighty-five miles of heavy submarine cable across the Cabot Strait, from Cape Ray, Newfoundland, to Cape Breton Island, Nova Scotia. Field chartered a clumsy sailing barque, the Sarah L. Bryant, and hired an uninspired steam tug to tow her across the strait.

The operation was an amateurish disaster. A severe gale blew up mid-crossing, the tug lost control of the tow, and the heavy cable began running out of the barque's hold with terrifying speed. Fearing the ship would be dragged under or driven onto the rocks, the captain panicked and hacked the cable with an axe, dropping forty miles of expensive wire into the sea.

Field was undeterred. He returned to England the following year, ordered a new cable, chartered a proper steamship, and successfully laid the line across the Cabot Strait in the summer of 1856. By that autumn, an electric circuit ran unbroken from New York City all the way to St. John’s, Newfoundland. Messages could now be flashed across four thousand miles of American and Canadian territory right to the Atlantic seaboard.

The western terminus was secure, but the New York syndicate had reached the end of its financial tether. The Newfoundland line had drained their liquid reserves, costing more than twelve times Gisborne's original estimate. Peter Cooper, Moses Taylor, and Marshall Roberts made it clear that while they would maintain their stakes in the American land lines, they would not finance the oceanic crossing on their own.

If the ocean bridge was to be built, it would have to be financed and engineered in Great Britain. London was the financial capital of the Victorian world, home to the global shipping industry, the gutta-percha manufacturing plants, and the world’s most powerful navy. In July 1856, Cyrus Field packed his bags, boarded a Cunard steamer in New York, and set sail for England to convince the British Empire to help him string a wire across the Atlantic.