12 $ 
on the Rotation of the Planets , &c* 
D. H. M. S. 
March 3 13 49 o 
14 7 36 10 
Divided by 26 rev. 10 17 47 10 
1 revolution = 9 h. 54' 53,", 4.. 
April 7 9 31 
12 7 50' 
— v ■ 
12 revol. 4 22 29 
3 / 6 , 
i revolution — 9I1. 51' 35A 
Again, comparing together the obfervations of 1779, which 
were made with the utmoft attention to time, we have, 
April 14 8 48 52 
April 19 7 10 o 
12 revol. 4 22 21 8 
1 revolution = 9I1. .51' 45 ;/ 6. 
April 19 7 10 
April 23 9 38 
iq revol. 4 2 28 
i revolution = 9 h. 50' 48". 
And taking both together, 
April 14 8 48 52 
April 23 9 38 o 
22 revol. 9 o 49 8 
1 revolution = 9 h, 5 A 19/', 4. 
Thefe 
