CHAPTER I. THE TELESCOPE, ITS INVENTION AND THE DEVELOPMENT OF ITS POWERS. CHAPTER II. RELATIVE MERITS OF LARGE AND SMALL TELESCOPES. CHAPTER III. NOTES ON TELESCOPES AND THEIR ACCESSORIES. CHAPTER IV. NOTES ON TELESCOPIC WORK. CHAPTER XIII. URANUS AND NEPTUNE. CHAPTER XIV. COMETS AND COMET-SEEKING. CHAPTER XV. METEORS AND METEORIC OBSERVATIONS. CHAPTER XVII. NEBULAE AND CLUSTERS OF STARS. BY “To ask or search I blame thee not, for heaven Is as the book of God before thee set, Wherein to read his wondrous works.” Milton. LONDON: [All rights reserved.] |