TABLES. 



Page. 



Taiilk XXX. For facilitating the reduction of observations on close circuni-polar stars made 



in determining the value of a revolution of the micrometer 226 



XXXI. For converting sidereal time into mean time 227 



XXXII. For converting mean time into sidereal time 228 



XXXIII. For converting parts of the equator in arc into sidereal time 229 



XXXIV. For converting sidereal time into parts of the equator in arc 230 



XXXV. Logarithms of numbers 231 



XXXVI Logarithms of circular functions 254 



