Frontmatter -- TABLE OF CONTENTS -- ABBREVIATIONS -- INTRODUCTION -- PART I. DESCRIPTION AND DIRECTION TO USE THE CALCULATOR -- CHAPTER 1. THE NAUTICAL ASTRONOMICAL OR UNIVERSAL CALCULATOR -- CHAPTER 2. THE SCALES OF THE CALCULATOR. -- CHAPTER 3. THE FOCUSSING AND READING OF THE VALUES ON THE SCALES -- CHAPTER 4. THE VALUE OF POSITION IN CALCULATION -- CHAPTER 5. THE RECIPROCAL VALUE -- CHAPTER 6. MULTIPLICATION -- CHAPTER 7. THE DIVISION -- CHAPTER 8. POTENCING -- CHAPTER 9. THE EXTRACTION OF THE ROOTS -- CHAPTER 10. THE CONVERSION INTO LOGARITHMS -- CHAPTER 11. THE PROPORTIONS -- CHAPTER 12. COMBINED METHODS OF CALCULATION -- CHAPTER 13. FORMATION OF TABLES -- PART II. THE USE OF THE NAUTICAL ASTRONOMICAL OR UNIVERSAL CALCULATOR IN TERRESTRIAL NAVIGATION -- CHAPTER 14. DETERMINATION OF SPEED AND DISTANCES -- CHAPTER 15. THE DEAD RECKONNING -- CHAPTER 16. SAILING IN THE GREATEST CIRCLE -- CHAPTER 17. CALCULATION OF CURRENT -- CHAPTER 18. FORMATION OF TABLES -- PART III. THE USE OF THE NAUTIC-ASTRONOMICAL AND UNIVERSAL CALCULATOR IN ASTRONOMICAL NAVIGATION -- CHAPTER 19. CALCULATIONS OF ALTITUDE OF STARS -- CHAPTER 20. ASCERTAINING THE NAME OF AN OBSERVED STAR -- CHAPTER 21. CALCULATION OF THE LONGITUDE BY CHRONOMETER -- CHAPTER 22. CALCULATION OF THE AZIMUTH -- CHAPTER 23. CALCULATION OF THE LATITUDE -- CHAPTER 24. RISING AND SETTING OF THE STARS AND THEIR AMPLITUDE -- CHAPTER 25. ALTITUDE AND HOUR ANGLE OF A STAR IN THE FIRST VERTICAL -- CHAPTER 26. ALTITUDE, AZIMUTH AND HOUR ANGLE OF A STAR IN ITS GREATEST DIGRESSION -- CHAPTER 27. THE DIFFERENTIAL FORMULAS -- CHAPTER 28. NAUTICAL TABLES AND FORMULAS -- NAUTICAL FORMULAS -- Print Correction -- Tafel