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Barrow, John, Sir, 1764 - 1848 (1st Baronet, Secretary of the Admiralty)


Found in 1 Collection or Record:


Account of Peter Barlow's experiments on board the ships 'Leven', 'Conway' and 'Griper' for correcting the local attraction of the vessels, 1819 - 1824

Reference Code: GBR/0180/RGO 14/43: 596-656
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.

Dates: 1819 - 1824
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (

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