CONTENTS OF THE CATALOGUE. 



95 



Appearances of the Primary Planets 

 Appearances of the Secondary Planets 



I Moon 

 Appearances of the Sun and primary Planets jointly 



|Transits 

 Appearances of the fixed Stars and Moon 

 Appearances of the Suu and Moon jointly 



I Eclipses 

 Appearances of the Primary and Secondary Plants conjointly 



[Eclipses of Jupiter's Satellites 

 Appearances of Comets 

 Planetary Worlds. Appearances with respect to different Planets 

 Practical Astronomy in General 



Astronomical Apparatus in General 

 Observatories 

 lime 



Equation of Time 

 Equation Clocks, for Solar Time 

 Observations of Time, in General 

 Dialling, or Gnomonics 

 Chronology and Calendars 

 Instruments for Observation 



Reflecting Instruments for Angles 

 Astronomical Telescopes, and Telescopic Sights, 



Micrometers, and Photometers 

 Theodolites 

 Fixed Instruments 



Transit Instruments 

 Mural Quadrants 

 Zenith Sectors 

 Equatorial Instruments 

 Levels, Mechanical or Hydrostatical 

 Modes of fixing Insrruments 

 Observations in General 

 Corrections 



Refraction 

 Aberration of tight 

 Parallax iu General 

 Dip 

 Azimuths and Altitudes in General 

 Observations of the Stars 

 Corrections 



[Aberration 

 Annual Parallax 

 Places of the Stars 

 Altitudes of the Stars 

 Observations of the Sun 



Parallax, and Modes of determining it 

 Observations of the Solstice 

 Observations of Solar Altitude 

 Observations of the Planets 

 (Aberration 



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