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Variation of the Magnetic Needle.
1805.
June24° 7',8 W.
Dip of the needle70 21.
Note. Subtract 2' from the variation of last year, for the error of the instrument.
Page:Philosophical Transactions - Volume 096.djvu/7
Variation of the Magnetic Needle.
1805.
June24° 7',8 W.
Dip of the needle70 21.
Note. Subtract 2' from the variation of last year, for the error of the instrument.