[ ^8 ] 



. H > „ 



of fome ufe for the prefent; thefe make it o 24 57,9 Weft of 

 Greenwich. In July, 1783, Mr. Arnold came here from England, 

 and had with him one of his large pocket time-keepers, the rate 

 and error of which had been fettled before he left Greenwich. I 

 determined the difference of times by equal altitudes the day of his 

 arrival and the day before his departure ; and by comparifon on 

 his return to Greenwich, made at my requeft, and communi- 

 cated to me by Dodor Mafkelyne, the difference of the lon- 



u . r 

 gitude by the watch was o 24 58,2, differing only fix tenths 



of a fecond from what I had made it by obfervation on his 



arrival. 



The following obfervations of the fame eclipfe have been 

 commuicated to me : 



H > 

 At the Hague Beginning 7 58 7 meantime. 



Begin, of total dark. 



End of total dark. 10 37 52 



End of eclipfe 1 1 40 7 



At Paris, Cabinet 1 

 du Roi, 14" W. of the C Beginning 

 Royal Obfervatory, j 



Total darknefs 

 End of total dark- 

 nefs fuppofed 

 D°. certain 

 End fuppofed 

 D°. certain 



7 41 15 ap. time. 



8 41 8 

 I 10 21 43 



10 22 34 



11 22 30 

 II 24 10 



At 



