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 athwartship magnets azimuth binnacle cause circle of deviations compass course Compass heading compass needle compass record compensation component computed correction correctors corresponding compass cos 2z deck degree of heel draw earth and ship earth's force earth's horizontal force east and west east or west easterly effect exact coefficients Flinders bar force H force of earth fore-and-aft magnets formula ftan gyro 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 red ends semicircular deviation ship swings ship's head sin z standard compass starboard steel steering subpermanent magnetism sun bears tion true bearing variation versin vertical force vertical iron vertical soft iron vessel viation vibrations westerly deviation zero