THERMOMETRICAL OBSERVATIONS. 



239 



O's true altitude 

 ]> 's do. 



Difference true altitudes . 



©'s apparent altitude 

 D's , do. 



Difference apparent altitudes 

 Obferved diftance of the centres 



Sum .... 



Difference 



i Sum . , 



i Difference 



J 's apparent altitude . 



J 's true altitude 

 ©'s apparent altitude 

 © 's true altitude 



Difference true altitudes 

 4 Difference 



62 19 20 

 33 55 58 



38 5« 15 

 9 42 52 

 33 II 25 CO. ar. 



33 55 58 . 

 6z 19 48 CO. ar. 

 62 19 20 



28 23 22 



. S 9.7975032 



S 9.2272126 



c. S 0.0773486 



c, S 9.9189175 



c- S 0.3331280 



c. S 9.6669844 



14 II 41 



2)39.0210943 

 19.5105471 



s 9-3895525 



Tangent 

 CorrefiKinding c. S 



True didance 

 Ulfl. at Greenwich 

 Do. . 



Difference between ift and 2d 

 Do. between 2d and 3d 



10.1209946 



rTobe 

 I line 



deduced from the 2d\ „ 



above increafed by lo.^ 9-7806675 



23 58 29.5 

 2 



S 9.6088850 



9" 3' 

 9 6 



50 8 P. L. 5551 



1 23 39 P. L. 3328 



Add 



2223 = I 47 46 



9-^300 



Time at Greenwich 



Time of the obfervation on the Mobile 



Longitude weft from Greenwich 



9 4 47 46 

 8 22 5S 47 



o 5 51 59 



I i 2 



The 



