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Practical illustrations of the necessity for ascertaining the deviations of the compass : with explanatory diagrams, and some account of the compass system now adopted in the Royal Navy, notes on magnetism, &c. / by Captain Edward J. Johnson ... ; published under the sanction of the right honourable the Lords Commissioners of the Admiralty.

The nautical almanac and astronomical ephemeris for the year 1791.

Appendices to various nautical almanacs between the years 1834 and 1854 / published by order of the Lords Commissioners of the Admiralty.

The nautical almanac and astronomical ephemeris for the year ...