Practical illustrations of the necessity for ascertaining the deviations of the compass
Subtitle: with explanatory diagrams, and some account of the compass system now adopted in the Royal Navy, notes on magnetism, &c
By: by Captain Edward J. Johnson ... ; published under the sanction of the right honourable the Lords Commissioners of the Admiralty
Contributors: Great Britain. Admiralty
Edition: Second edition.
Publisher: Published by J.D. Potter ...
Published: 1852
Place of publication: London
Language: eng
Number of pages: 174
Subjects: Compass
Notes: Colophon: Printed by G. Barclay ...