Experiments made to determine the temperature co-efficients of Watson's magnetographs . V «-ay ?Jij-s 7 C - Curve sUp II 1! T Y ?Knie Scale Feb. 02. 12 13 14 _^ iPncorrected Curve16 Tirs -40° o -35 -30° -25° ?20° ^ \c ^ > /. v. k Wc \ —^\ \ \ L-20 f

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectgeomagnetism, bookyea