Reference Code: GBR/0180/RGO 8/7
Scope and Contents
Correspondence and related papers concerning magnetism, including the following material:Correspondence concerning the variation of magnetic charts and records and requests for measurements of magnetic variation, 1947.Correspondence concerning the 'New Zealand Pilot' magnetic observation spots and an extract from 'Nature' regarding 'Earth Currents in Short Submarine Cables', 1946.Correspondence concerning the amendment of the 'Red Sea and Gulf of Aden Pilot',...
1937 - 1947
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From the Management Group:
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