Report on the scientific results of the voyage of during the years 1873-76 : under the command of Captain George SNares, , Captain Frank Turle Thomson, . I ChaUenger CURVES OF KgiAL MAGNETIC DECLINATION OH VARIATION. IRBO. Leal Results, Chart NI. Now Ike continuous lines indicate Declination The pecked lines I ? - rf H31S Th CURVKS OF KQTAI, MAGNETIC INCLINATION OK OIIV IBRD. Ma^m-ucal Results. Chai-t Nll

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscientificexpedition