Stargazing: Past and Present. Sir Norman Lockyer
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Sir Norman Lockyer
Stargazing: Past and Present
Published by Good Press, 2019
EAN 4064066152444
Table of Contents
BOOK I. THE PRE-TELESCOPIC AGE.
CHAPTER I. THE DAWN OF STARGAZING.
CHAPTER II. THE FIRST INSTRUMENTS.
CHAPTER III. HIPPARCHUS AND PTOLEMY.
CHAPTER V. THE REFRACTION OF LIGHT.
CHAPTER VII. THE REFLECTION OF LIGHT.
CHAPTER X. PRODUCTION OF LENSES AND SPECULA.
CHAPTER XI. THE “OPTICK TUBE.”
CHAPTER XII. THE MODERN TELESCOPE.
BOOK III. TIME AND SPACE MEASURERS.
CHAPTER XIII. THE CLOCK AND CHRONOMETER.
BOOK IV. MODERN MERIDIONAL OBSERVATIONS.
CHAPTER XVI. THE TRANSIT CIRCLE.
CHAPTER XVII. THE TRANSIT CLOCK AND CHRONOGRAPH.
CHAPTER XVIII. “GREENWICH TIME” AND THE USE MADE OF IT.
CHAPTER XIX. OTHER INSTRUMENTS USED IN ASTRONOMY OF PRECISION.
CHAPTER XX. VARIOUS METHODS OF MOUNTING LARGE TELESCOPES.
CHAPTER XXI. THE ADJUSTMENTS OF THE EQUATORIAL.
CHAPTER XXII. THE EQUATORIAL OBSERVATORY.
CHAPTER XXIII. THE SIDEROSTAT.
CHAPTER XXIV. THE ORDINARY WORK OF THE EQUATORIAL.
BOOK VI. ASTRONOMICAL PHYSICS.
CHAPTER XXV. THE GENERAL FIELD OF PHYSICAL INQUIRY.
CHAPTER XXVI. DETERMINATION OF THE LIGHT AND HEAT OF THE STARS.
CHAPTER XXVII. THE CHEMISTRY OF THE STARS: CONSTRUCTION OF THE SPECTROSCOPE.
CHAPTER XXVIII. THE CHEMISTRY OF THE STARS (CONTINUED) : PRINCIPLES OF SPECTRUM ANALYSIS.
CHAPTER XXIX. THE CHEMISTRY OF THE STARS (CONTINUED) : THE TELESPECTROSCOPE.
CHAPTER XXX. THE TELEPOLARISCOPE.
CHAPTER XXXI. CELESTIAL PHOTOGRAPHY.—THE WAYS AND MEANS.
CHAPTER XXXII. CELESTIAL PHOTOGRAPHY (CONTINUED) .—SOME RESULTS.
CHAPTER XXXIII. CELESTIAL PHOTOGRAPHY (CONTINUED) —RECENT RESULTS.
BOOK I.
THE PRE-TELESCOPIC AGE.
STARGAZING: PAST AND PRESENT
CHAPTER I.
THE DAWN OF STARGAZING.
Some sciences are of yesterday; others stretch far back into the youth of time. Among these there is one of the beginnings of which we have lost all trace, so coeval was it with the commencement of man’s history; and that science is the one of which we have to trace the instrumental developments.
Although our chief task is to enlarge upon the modern, it will not be well, indeed it is impossible, to neglect the old, because, if for no other reason, the welding of old and new has been so perfect, the conquest of the unknown so gradual.
The