CONTENTS 



OP 



VOLUME SECOND. 



PART L 

 ASTRONOMY, 



Page 



SECT. 1. Fixed Stars, and the Circles of the Sphere, i 



... 2. Atmospherical Refraction, 31 



3. Figure of the Earth, 39 



4. Geographical Problems, 59 



5. Parallaxes, 72 



6. Motion of the Sun, 80 



Apparent Orbit of the Sun, 91 



The Equation of Time, and the Kalendar, 104 



Secular variations in the apparent motion of the 



Sun 112 



The Sun's rotation on his Axis, 116 



7. Motion of the Moon, 123 



Moon's orbit, 127 



Moon's revolution on her axis, 132 



8. Eclipses, 135 



SECT. 8. 

 f 



238 



