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Sir Norman Lockyer. Stargazing: Past and Present
Stargazing: Past and Present
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 IV. TYCHO BRAHE
BOOK II. THE TELESCOPE
CHAPTER V. THE REFRACTION OF LIGHT
CHAPTER VI. THE REFRACTOR
CHAPTER VII. THE REFLECTION OF LIGHT
CHAPTER VIII. THE REFLECTOR
CHAPTER IX. EYEPIECES
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
I. The Rise and Progress of Time-keeping
II. The Pendulum
III. Escapements
IV. The Chronometer
CHAPTER XIV. CIRCLE READING
CHAPTER XV. THE MICROMETER
THE WIRE MICROMETER
THE HELIOMETER
THE DOUBLE-IMAGE MICROMETER
BOOK IV. MODERN MERIDIONAL OBSERVATIONS
CHAPTER XVI. THE TRANSIT CIRCLE
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
BOOK V. THE EQUATORIAL
CHAPTER XX. VARIOUS METHODS OF MOUNTING LARGE TELESCOPES
The German Mounting
The English Mounting
The Forked Mounting
The Composite Mounting
The Driving Clock
THE LAMP
CHAPTER XXI. THE ADJUSTMENTS OF THE EQUATORIAL
CHAPTER XXII. THE EQUATORIAL OBSERVATORY
CHAPTER XXIII. THE SIDEROSTAT
CHAPTER XXIV. THE ORDINARY WORK OF THE EQUATORIAL
TEMPLE OBSERVATORY
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
INDEX
Отрывок из книги
Sir Norman Lockyer
Published by Good Press, 2019
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We have given this long extract in justice to the men of old, containing as it does many of those geometrical principles which all our modern instruments must and actually do fulfil.
It is true that the present idea of the earth’s place in the system is different. Euclid imagined the earth to be at the centre of the universe. It is now known that the earth is one of various planets which revolve round the sun, and further, that the journey of the earth round the sun is so even and beautifully regulated that its motion is confined to a single plane. Year after year the earth goes on revolving round the sun, never departing, except to a very small extent, from this plane, which is one of the fundamental planes of the astronomer and called the Plane of the Ecliptic.
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