Harper's New Monthly Magazine, Vol. V, No. XXIX., October, 1852. Various. Читать онлайн. Newlib. NEWLIB.NET

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we have alluded to, but it is more to be relied upon in its results. The data for a trigonometrical calculation are to be obtained by observing, in a very accurate manner, a series of angles of elevation and depression on a line between the points, the relative levels of which are to be obtained. Lieutenant Symonds, an officer of the English service, made such a survey with great care, a few years after the preceding experiments were performed. He carried a line across from the Mediterranean to the Dead Sea, connecting the two extremes of it by means of a series of vertical angles which he measured accurately, with instruments of the most exact construction. The result of the computation which he made from these data, was that the sea was depressed one thousand three hundred and twelve feet below the level of the Mediterranean.

      The surprise which had been felt at the results of the experiments first mentioned, was greatly increased by the announcement of this result. No one was disposed really to question the accuracy of the engineer's measurements and calculations, but it seemed still almost incredible that a valley lying so near the open sea could be sunken so low beneath its level. There was one remaining mode of determining the question, and that was by carrying an actual level across the land, by means of leveling instruments, such as are used in the construction of railroads and canals. This would be, of course, a very laborious work, but there was a general desire among all who took an interest in the subject that it should be performed and Lieutenant Lynch determined to undertake it.

      Accordingly, when the time arrived for leaving the shores of the sea, he organized a leveling party, furnishing them with the necessary instruments and with proper instructions, and commissioned them to perform this service. They began by scaling the face of the mountain which rose almost perpendicularly from the shore of the sea at the place of the last encampment. They then proceeded slowly along, meeting with various adventures, and encountering many difficulties, but persevering steadily with the work, until at last, in twenty-three days from the time of leaving the Dead Sea, they arrived on the shore of the Mediterranean at Jaffa. The result confirmed in a very accurate manner the calculations of Lieutenant Symonds, for the difference of level was found to be a little over thirteen hundred feet – almost precisely the same as Lieutenant Symonds had determined it. The question is, therefore, now definitely settled. The vast accumulation of waters lies so far below the general level of the earth's surface that, if named after the analogy of its mighty neighbor, it might well have been called the Subterranean Sea.

      Lieutenant Lynch had great reason to congratulate himself on this successful result of his labors; for the work which he had undertaken was one not only of toil, exposure, and suffering, but also of great danger. He was warned by the fatal results which had almost invariably attended former attempts to explore these waters, that if he ventured to trust himself upon them, it was wholly uncertain whether he would ever return. He followed in a track which had led all who had preceded him in taking it, to destruction; and the only hope of safety and success which he could entertain in renewing an experiment which had so often failed before, was in the superior sagacity and forethought which he and his party could exercise in forming their plans, and in the greater energy and courage, and the higher powers of endurance, which they could bring into play in the execution of them. The event proved that he estimated correctly the resources which he had at his command.

      THE STORY OF COSTIGAN

      Among the stories which were related to Mr. Lynch, when he was preparing at the Sea of Galilee to commence his dangerous voyage, to discourage him from the undertaking, was that of the unfortunate Costigan. Costigan was an Irish gentleman who, some years before the period of Lieutenant Lynch's expedition, had undertaken to make a voyage on the Dead Sea, in a boat, with a single companion – a sailor whom he employed to accompany him, to row the boat, and to perform such other services as might be required. Costigan laid in a store of provisions and water, sufficient, as he judged, for the time that would be consumed in the excursion, and then taking his departure from a point on the shore near the mouth of the Jordan, he pushed out with his single oarsman over the waters of the sea.

      About eight days afterward, an Arab woman, wandering along the shore near the place where these voyagers had embarked, found Costigan lying upon the ground there, in a dying condition, alone, and the boat at a little distance on the beach, stranded and abandoned. The woman took pity upon the sufferer, and calling some Arab men to the spot, she persuaded them to take him up, and carry him to Jericho. There they found the sailor, who, better able as it would seem to endure such hardships than his master, had had strength enough left, when the boat reached the land, to walk, and had, accordingly, made his way to Jericho, leaving his master on the shore while he went for succor. At Jericho Costigan revived a little, and was then taken to Jerusalem, where he was lodged in a convent, and every effort was made to save his life and to promote his recovery, but in vain. He died in two days, and was never able to give any account of the events of his voyage.

      The sailor, however, when questioned in respect to the events of the cruise, gave an account of such of them as a mere sailor would be likely to remember. They moved, he said, in a zigzag direction on the lake, crossing and recrossing it a number of times. They sounded every day, and found the depth of the water in many places very great. The sufferings, the sailor said, which they both endured from the heat, were very great; and the labor of rowing was excessively exhausting. In three days, however, they succeeded in reaching the southern extremity of the sea, and then set out on their return. During all this time Costigan himself took his turn regularly at the oars, but on the sixth day the supply of water gave out, and then Costigan's strength entirely failed. On the seventh day, they had nothing to drink but the water of the sea. This only aggravated instead of relieving their thirst, and on the eighth day the sailor undertook to make coffee from the sea water, hoping, by this means, to disguise in some measure its nauseating and intolerable saltness. But all was in vain. No sustenance or strength could be obtained from such sources, and the sailor himself soon found his strength, too, entirely gone. All attempts at rowing were now, of course, entirely abandoned, and although the boat had nearly reached the land again, at the mouth of the Jordan, the ill fated navigators must have perished floating on the sea, had it not happened that a breeze sprung up just at this juncture – blowing toward the land. The sailor, though too much exhausted to row, contrived to raise the sail, and to guide the helm, so that the boat at length attained the shore. There he left his master, while he himself made his way to Jericho, as has been already described.

      These and several other attempts somewhat similar in their nature and results, which had been made in previous years, made it evident to Lieutenant Lynch, when he embarked in his enterprise, that he was about to engage in a very dangerous undertaking. The arrangements and plans which he formed, however, were on a much greater scale and far more complete than those of any of his predecessors, and he was enabled to make a much more ample provision than they for all the various emergencies which might occur in the course of the expedition. By these means, and through the extraordinary courage, energy, and resolution displayed by himself and by the men under his command, the enterprise was conducted to a very successful result.

      THE FUTURE

      The true character and condition of the whole valley of the Dead Sea having been thus fully ascertained, and all the secrets of its gloomiest recesses having been brought fully to light, it will probably now be left for centuries to come, to rest undisturbed in the dismal and death-like solitude which seems to be its peculiar and appropriate destiny. Curious travelers may, from time to time, look out over its waters from the mouth of the Jordan, or survey its broad expanse from the heights at En-gedi, or perhaps cruise along under the salt cliffs of Usdum, on its southeastern shore, in journeying to or from the Arabian deserts; but it will be long, probably, before any keel shall again indent its salt-encrusted sands, or disturb the repose of its ponderous waters. It is true that the emotion of awe which its gloomy and desolate scenery inspires has something in it of the sublime; and the religious associations connected with the past history of the sea, impart a certain dread solemnity to its grandeur, and make the spot a very attractive one to those who travel into distant climes from love of excitement and emotion. But the physical difficulties, dangers, exposures, and sufferings, which are unavoidably to be incurred in every attempt to explore a locality like this, are so formidable, and the hazard to life is so great, while the causes from which these evils and dangers flow lie so utterly beyond all possible or conceivable means of counteraction, that