LIST OF FULL-PAGE ILLUSTRATIONS CHAPTER I DIFFERENT KINDS OF MEASUREMENT CHAPTER II THE STARS AND THEIR DIURNAL MOTION CHAPTER III FIXED AND WANDERING STARS CHAPTER IV CELESTIAL MECHANICS CHAPTER V THE EARTH AS A PLANET CHAPTER VI THE MEASUREMENT OF TIME CHAPTER VIII INSTRUMENTS AND THE PRINCIPLES INVOLVED IN THEIR USE CHAPTER XII COMETS AND METEORS TWENTIETH CENTURY TEXT-BOOKS EDITED BY TWENTIETH CENTURY TEXT-BOOKS A TEXT-BOOK OF ASTRONOMYBY |