Hansteen, Christopher, 1784 - 1873 (geophysicist and astronomer)
Found in 1 Collection or Record:
Admiralty note relating to Christopher Hansteen's variation chart, 1827-04-14
Reference Code: GBR/0180/RGO 14/43: 546-547
Scope and Contents From the File:
Correspondence regarding the effect of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.
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