Barrow, John, Sir, 1764 - 1848 (1st Baronet, Secretary of the Admiralty)
Found in 3 Collections and/or Records:
An essay on his proposed method, with three related letters.
Concerning the appointment of Peter Lecount to the crew of HMS Prince Regent.
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.