FN Archimer Export Format PT CHAP TI The Voyage of H.M.S. Challenger 1873-1876. Narrative Vol. I. First Part. Chapter VIII BT H.M.S. Challenger AF WYVILLE THOMSON, C MURRAY, J AS 1:;2:; FF 1:;2:; UR https://archimer.ifremer.fr/doc/1885/publication-4757.pdf LA English DT Book section AB ON 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] PY 1885 ID 4757 ER EF