A practical manual of the compass
Subtitle: a short treatise on the errors of the magnetic compass
By: with the methods employed in the U.S. Navy for compensating the deviations, and a description of service instruments, including the gyrocompass; prepared with the approval of the Bureau of Navigation, Navy Department.
Contributors: United States. Bureau of Naval Personnel.; United States Naval Institute.
Publisher: The United States Naval Institute
Published: 1921
Place of publication: Annapolis, Md
Language: eng
Number of pages: 234
Subjects: Compass