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CONTENTS.
xv
CHAPTER X.
TYCHO'S LIFE FROM HIS LEAVING HVEEN UNTIL HIS ARRIVAL AT PRAGUE.
PAGE
Tycho at Copenhagen—Departs for Rostock—Letter to the King—Lends money to the Dukes of Mecklenburg—The King's reply—Tycho at Wandsbeck—Vain attempts to reconcile the King—Publishes description of instruments—Star catalogue—Calumnies of Reymers—Invitation from the Emperor—Tycho winters at Wittenberg |
239 |
CHAPTER XI.
TYCHO BRAHE IN BOHEMIA—HIS DEATH.
Rudolph II.—Tycho's salary—Castle of Benatky—Financial difficulties—Work resumed—Kepler's youth—His arrival at Benatky and quarrel with Tycho—Reconciliation—Tycho settles at Prague—His assistants—Solar and lunar theory—Tycho's death and funeral |
277 |
CHAPTER XII.
TYCHO BRAHE'S SCIENTIFIC ACHIEVEMENTS.
Zodiacal and equatorial armillæ—Meridian quadrant—Altazimuth quadrant—Time determinations—Sextants for distance measures—Subdivision of arcs—Nonius—Transversal divisions—Improved pinnules—Theory of sun's motion—Refraction—Lunar theory—Discovery of lunar inequalities—Kepler and the annual equation—Motion of planets—Positions of fixed stars—Absolute longitude—Star catalogue—Precession—Trepidation disproved—Accuracy of observations—Alleged error of Tycho's meridian—Trigonometrical formulæ |
315 |
APPENDIX.
Fate of Tycho's instruments—His family in Bohemia—Publication of his books—Tycho's manuscript observations—Hveen after Tycho's time |
365 |
