THERMOMETRICAL OBSERVATIONS. 269 



Q's preceding limb on the meridian at ii 51 26 A. M. 

 Subfequent do. at . . 11 53 34 A.M. 



Centre at . . . n 52 30 A.M. 



Sirius on the firll fibre of the tranfit inflrument at 18 47 38 

 The meridian at . . . . 1 8 48 3 1 



The third fibre at . . . . 1 8 49 22 



End of the obfervations made at this ftation. 



Examination of the meridian by the tranfits of / Draconis, and 



a Aquilx. 



Mean A. R. <f Draconis in time to the beginning of 7 



I799-. J 



AbeiTation and precefllon, Sept. 7th. 

 Nutation ... do. 



True A. R. cf Draconis 



Mean A. R. a Aquils in time to the beginning of 1799 

 Aberration and preceiCon, Sept. 7th. • . 

 Nutation . . . do. 



True A. R. « AquiljE 



True A. R. J' Draconis . . . . 



Difference ...... 



In 28' 30" fidereal time gains 4". 6 on mean folar time,] 

 which is therefore to be dedudled 'J 



Difference in mean folar time . . 

 Obferved difference, in mean folar time on the 7tli. 



Error of the meridian to the eafl 



Difference in A. R. between i Draconis, and « Aquilx' 



on the 8th, mean folar time J 



Obferved difference on the 8th . . . . 



Error of the meridian weft .... 



Vol. V. N n 



