A Treatise on Compass Compensation: A Textbook for Academies and Colleges, and a Reference Manual for Navigating Officers |
Contents
The Ship as a Magnet | 1 |
The Soft Iron of a Ship | 29 |
Analysis | 73 |
Copyright | |
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Common terms and phrases
angle approximate coefficients ashore athwartship magnets azimuth binnacle blue pole causes circle of deviations compass course Compass heading compass needle compass record compensation component correction correctors corresponding compass deck degree of heel DYGOGRAM earth and ship earth's force east and west east or west easterly effect equation exact coefficients Flinders bar force H force of earth fore-and-aft magnets formula gyro heading Deviation heeling adjuster heeling error heeling magnet inches latitude local hour angle lubber line magnetic course magnetic heading magnetic north minus navigator netic observations parameter pilot house placed pole position quadrantal deviation quadrantal error quadrantal spheres red ends semicircular deviation ship swings ship's head sin z standard compass starboard steel steering subpermanent magnetism sun bears swing tion true bearing variation versin vertical force vertical iron vertical soft iron vessel viation vibrations westerly deviation zero