A practical manual of the compass;
a short treatise on the errors of the magnetic compass,
with the methods employed in the U.S. navy for compensating the deviations, and a description of service instruments, including the gyro-compass; prepared with the approval of the Bureau of navigation, Navy department.
|Main Author:||Laning, Harris, 1873-1941,|
|Related Names:||Owens, Charles Truesdale 1878-|
Annapolis, Md., The United States Naval Institute, 1913.
"Designed ... to replace Diehl's Practical problems and the compensation of the compass ... It was originally compiled by Lieutenant Commander Harris Laning." Later, two chapters were added, by Lieutenant Commander C. T. Owens, who also prepared chapter VI and a revision of chapter VIII. cf. Pref.
illus. (part col.) diagrs.
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