  CHAPTER I. PRIMITIVE ASTRONOMY. CHAPTER V. THE RECEPTION OF THE COPPERNICAN THEORY AND THE PROGRESS OF OBSERVATION. CHAPTER VIII. FROM GALILEI TO NEWTON. CHAPTER IX. UNIVERSAL GRAVITATION. CHAPTER X. OBSERVATIONAL ASTRONOMY IN THE 18TH CENTURY. CHAPTER XI. GRAVITATIONAL ASTRONOMY IN THE 18TH CENTURY. CHAPTER XIII. THE NINETEENTH CENTURY. AUTHORITIES AND BOOKS FOR STUDENTS. I. General. Obvious typographical errors have been silently corrected. Variations in hyphenation has been standardised but all other spelling and punctuation remains unchanged. Ditto marks, in the table of contents and illustrations, have been replaced by the text. Blank pages and their page numbers have been omitted. The cover was created by the transcriber and is placed in the public domain. The moon. From a photograph taken at the Lick Observatory. |
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