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 Edward J. Johnson ; published  under the sanction of the right honourable the Lord's Commissioner of the Admirality
Series: Landmarks II, monographs
Publisher: G. Barclay
Published: 1847
Place of publication: London
Language: eng
Format: Microform
Number of pages: 85
Subjects: Compass
Notes: Includes bibiliographical references

Microfiche. New Canaan, CT : Readex. microfiches. (Landmarks II, monographs)