By Sven Röbel
The tower was the first thing Jim Delgado saw. Inch by inch, it emerged from the deep-green surf of the Pacific Ocean -- an encrusted piece of black metal covered with barnacles, rust and seaweed, a ghostly apparition slowly rising from the sea.
Low tide came slowly and sluggishly, eventually exposing the mysterious rust-eaten wreck a fisherman had described to Delgado. The man believed it was a Japanese submarine that had been on a mission to attack ships near the Panama Canal during World War II, only to fall prey to the treacherous waters of the Pearl Archipelago.
But the more the tide retreated, the more Delgado -- director of the renowned Vancouver Maritime Museum -- was convinced that the fisherman's story couldn't possibly be true. This thing appearing before his eyes had to be older, much older.
The design reminded the scientist of an "iron cigar," and he instinctively thought of the "Nautilus," that legendary underwater vessel author Jules Verne described in his novel "20,000 Leagues Under the Sea." Delgado had devoured the book as a young boy.
But could something like this be possible? Delgado was mesmerized. Years ago, working as a marine archaeologist, he had recovered the wreck of the "General Harrison," a ship from the days of the California gold rush, from San Francisco Bay. He was also involved in the raising of the "H.L. Hunley" from the harbor entrance at Charleston, South Carolina -- the first submarine ever to sink an enemy ship, during the American Civil War in 1864.
And now, on this isolated beach on a tropical island -- during his vacation, no less -- he had apparently happened upon the most spectacular find of his career.
Without any equipment, and wearing nothing but boxer shorts, Delgado swam out to the mysterious wreck. He cursed when he scraped his left leg on the sharp-edged metal -- and because he didn't have a measuring tape to document the object's exact dimensions. The size, shape and condition of the chambers corresponded to none of the vessels he was familiar with -- and Delgado thought he knew just about everything that had ever floated. But this craft's technology seemed much more modern that that of the "Hunley." The shape of the hull was more reminiscent of the fantasy forms he'd seen in old science fiction books. Why on earth, he wondered, had he never heard about this vessel?
When Delgado heard the sound of the approaching rubber dinghy that had come to take him back to his cruise ship, he quickly took a few shots with his camera -- hardly able to believe his luck at having decided to pass on the dull bird-watching outing the other passengers had taken. His few hours on this remote island had truly been worth it.
That was five years ago, and by now it's become clear that Delgado made a sensational historic find. He discovered the lost "Sub Marine Explorer," one of the world's first functioning underwater boats, designed by a brilliant German engineer whose invention eventually brought him an agonizing death.
The San Telmo discovery could provide answers to many questions about the first submarines. Some of Delgado's colleagues believe that the wreck in the Pacific is a unique example of a handful of submarine prototypes that have remained preserved. They are craft in which daring men -- essentially the Space Shuttle pilots of their age -- ventured into the unknown world beneath the ocean's surface in the 19th century. Only five diving machines from the years before 1870 have survived the ravages of time:
The "Explorer" marks a high point in maritime engineering, but also a tragic one. Equipped with a cleverly designed system of ballast chambers and a compressed air tank that allowed for pressure compensation, it also had two hatches beneath the hull enabling divers to exit the craft underwater. But about 130 years ago, when the vessel was being used to collect oysters and pearls from the ocean floor off the coast of Panama, the condition known as "the bends," or decompression sickness, was largely unknown. The condition can cause an agonizing death when divers rise to the surface from deep water too quickly. Technical progress had fatally outpaced medical science, costing the inventor and team of the "Explorer" their health and their lives.
But on the evening following his discovery, as he sat excitedly in the dining room of his cruise ship, Delgado had no idea of the tragedies that must have transpired in this iron coffin in the Pacific's pearl beds. Instead, he couldn't stop describing the details of the strange wreck to his wife Ann.
Back home in Vancouver, the scientist had the pictures he took on San Telmo developed and promptly e-mailed the images -- together with a description and a request for further information -- to colleagues around the world.
One man, Richard Wills, an expert on American Civil War submarines, wrote back to inform Delgado that his data were a perfect match to a description Wills had discovered in a scientific article from 1902. The piece even included a precise drawing of the largely unknown diving device. This couldn't possibly be a coincidence -- the vessel had to be the "Sub Marine Explorer."
Little known inventor
According to old business records, one of the partners in the company with offices near New York's Wall Street was a certain W.H. Tiffany, apparently a member of the eponymous jewelry and lamp dynasty.
The story was becoming more and more fascinating, and after making two more trips to San Telmo in 2002 and 2004, Delgado had finally collected enough material to justify launching an expedition to delve into the final secrets of the "Explorer" and its inventor.
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