Reference Code: GBR/0180/RGO 6/685
Scope and Contents
Corrections to compasses on iron ships, with related correspondence. The papers include a report on the correction of compasses on iron ships; experiments in compass corrections for the vessel 'Ironside'; a paper by Airy titled 'Account of experiments on iron-built ships instituted for the purpose of discovering a correction for the deviation of the compass produced by the iron of the ships'; W. Hendry's table of magnetic observations; and directions for correcting the compasses on iron built...
1838 - 1844
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