Hand-book to Beall's Compass Deviascope
Subtitle: together with a few explanatory and practical remarks on magnatism and the deviation of the compass in iron ships
By: by George Beall
Edition: 4th ed.
Publisher: J. D. Potter
Published: 1913
Place of publication: London
Language: eng
Number of pages: 77
Subjects: Magnetic declination; Magnetism of ships; Compass