Magnetic Compass Deviation and Correction, 3rd Edition

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In addition to dealing with the properties of magnets and the earth's magnetism, three chapters are devoted to the magnetism of the ship, the third explaining in detail the reason for, and composition of, the "nine rods". The relation of the components P, Q and R and the rods to the various coefficients are fully explained. This publication has a great deal of hitherto unpublished information.There are about 70 diagrams, a few in colour, to simplify the matter in the text.CHAPTER CONTENTS :--Definitions of TermsTables of Symbols and their MeaningsTable of Formulae and Laws IntroductionSpace and Vector DiagramsParallelogram and Triangle of ForcesTrigonometrical RatiosMagnetismGeneralFundamental Facts of MagnetismThe Earth's MagnetismMagnetic MeasurementsThe Ship's MagnetismPreliminaryThe Ship's Permanent MagnetismThe Ship's Induced MagnetismThe Theory of the Deviations of the CompassTransformation of Equations (4) and (5)Deviations in Terms of the Compass CourseHealing ErrorAnalysis of DeviationsTheory of the Mechanical Correction of the CompassThe Mechanical Correction of the Compass. Worked Examples. In addition to Compass Adjusters, Magnetic Compass Deviation and Correction will be of invaluable assistance to Lecturers and Teachers, Candidates for Certificates of Competency as Extra Master and Master and others interested in the subject.It is the standard work and is also used in the Examination Rooms. Show more