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Wyville Thomson, C / Murray, J - 1885A brief review of the efforts made to acquire a knowledge of the Ocean, and a general account of the opinions held prior to the year 1872 as to the physical and biological conditions of the great ocean basins, may form an appropriate Introduction to the Narrative of the Voyage of H.M.S. Challenger...Contributeur (s):
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Wyville Thomson, C / Murray, J - 1885ON the 17th December 1873, the Challenger left Simon's Bay for the southern cruise, at 6.30 A.M. As the vessel steamed out to the open sea considerable differences in the temperature of the surface water were observed. [NOT CONTROLLED OCR]Contributeur (s):
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Wyville Thomson, C / Murray, J - 1885On the 2nd February, the day after leaving Kerguelen Island, the weather in the forenoon being fine and clear, a successful sounding and dredging were obtained in 150 fathoms, on a hard bottom (Station 150). The bottom was covered with a coarse gravel; the dredge brought up a large number of stones...Contributeur (s):
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Wyville Thomson, C / Murray, J - 1885Five expeditions only have been despatched from this or other countries to explore the Antarctic regions, viz., those of Cook 1772-75, Bellingshausen 1819-21, D'Urville 1837-40, Wilkes 1838-42, and Ross 1839-43. [NOT CONTROLLED OCR]Contributeur (s):
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Wyville Thomson, C / Murray, J - 1885The island of Kerguelen is throughout mountainous, made up of a series of steep-sided valleys separated by ridges and mountain masses, which rise to very considerable heights. Mount Ross, the highest, is 6120 feet in altitude, Mount Richards 4000 feet, Mount Crozier 3250, Mount Wyville Thomson 3160...Contributeur (s):
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Wyville Thomson, C / Murray, J - 1885One of the chief objects of the Expedition was to collect information as to the distribution of temperature in the waters of the ocean. It was therefore important to observe the temperature, not only at the surface, but at the bottom, and at intermediate depths. The determination of the temperature...Contributeur (s):
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Wyville Thomson, C / Murray, J - 1885The Challenger left England on the 21st December 1872, and experienced heavy southwesterly gales until the 30th, when the parallel of Cape Finisterre was reached. From this position to Lisbon, which port was reached on the 3rd January 1873, the weather was variable, but on the whole fine, so that...Contributeur (s):
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Wyville Thomson, C / Murray, J - 1885The deep-sea investigations conducted on board H.M. Ships " Lightning," "Porcupine," and" Shearwater," in the years 1868, 1869, 1870 and 1871, and the subsequent correspondence between the Lords Commissioners of the Admiralty, the Council of the Royal Society, and Dr....Contributeur (s):
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Wyville Thomson, C / Murray, J - 1885The second visit of the Challenger to Bermuda lasted from the 31st May till the 13th June, and during this time as well as during the visit in April, the Members of the Expedition were hospitably received by the Governor, Sir Henry Lefroy, the naval and military officers stationed on the island,...Contributeur (s):
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Wyville Thomson, C / Murray, J - 1885The Challenger left Santa Cruz, Tenerife, on the evening of the 14th February. The weather was bright and pleasant, with a light breeze from the northeast. A southwesterly course was pursued for a few days, until well within the northern limit of the trade wind, after which the route followed was,...Contributeur (s):
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Wyville Thomson, C / Murray, J - 1885The Expedition remained at Melbourne until the 1st April, refitting the ship and obtaining magnetic and other observations on shore, and the stay was greatly enlivened by the receptions and excursions arranged for the members of the Expedition by the inhabitants of Victoria. [NOT CONTROLLED OCR]Contributeur (s):
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Wyville Thomson, C / Murray, J - 1885On the 25th September, at 4 P.M., the Challenger left Bahia for the Tristan da Cunha group of islands, and proceeded to the southward until the 30th, without sounding or dredging, as it was desirable to get into cool weather at once to avoid any risk of yellow fever spreading amongst the ship'...Contributeur (s):
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Wyville Thomson, C / Murray, J - 1885The Expedition left Porto Praya at 8 P.M. on the 9th August, and a course was shaped for St. Paul's Rocks. Owing to the season of the year in which the passage was made, the course was necessarily somewhat erratic; the ship proceeding to the southeastward along the African coast until the S.E...Contributeur (s):