Ship Magnetism and the Magnetic Compass

¿PrefaceChapter I. Magnetometry (1) Unit Pole and Law of Inverse Squares Field Strength, Moment, Long and Short Magnet, Restoring Couple Angle of Deflection of Needle, when in Two Magnetic FieldsChapter II. Magnetometry (2) Comparison of Field Strength and MomentChapter III. Terrestrial MagnetismChapter IV. Ship Magnetism (1) Magnetic Induction Resolution of the Permanent Magnetic Field at the Compass Position into Three ComponentsChapter V. Ship Magnetism (2) The Coefficients Coefficient A Coefficient B Coefficient C Permanent B and Permanent C Combined Coefficient D Coefficient E RecapitulationChapter VI. Ship Magnetism (3) Heeling ErrorChapter VII. Ship Magnetism (4) Changes in Deviation arising from Changes of Magnetic Latitude Table showing Characteristics of the CoefficientsChapter VIII. Principles of Compass Adjustment (1) Theoretical Compensation for Deviation Separation (Splitting) of Total B and Heeling Error into the Permanent and Induced PartsChapter IX. Principles OF Compass Adjustment (2) Combined Correction of Induced B and Induced C Adjustment of all Quadrantal DeviationsChapter X. Directive Force The Influence of Hard and Soft Iron on the Horizontal Force at the Compass Position Coefficient Lambda Adjustment of the Compass from Knowledge of Directive Force Loss in Directive ForceChapter XI. Deflecting Methods of Measuring Relative Directive Force Principle MethodsChapter XII. Vertical Force at the Compass Position Coefficient Mu Correction of Heeling Error by Vertical Force InstrumentChapter XIII. Sub-Permanent Magnetism HysteresisChapter XIV. Compass Adjustment: General Considerations and Procedure Reasons for Adjusting Compasses Order of Making Correction Preparations and Precautions before AdjustingChapter XV. Practical Compass Adjustment On the Compass On the DeviascopeRevision QuestionsAnswers. Chapter Exercises Revision QuestionsIndex