[ 260 ] 
concluded by a mean, which agreed with the reft to 
lefs than one fecond, that it was flow on mean time 
at noon 2 f 21", S ; and that flnce the 25th of May, it 
had loft at the rate of 3" a day on the mean motion, 
of the fun. 
I then went to the Mlfjion , to prepare for the 
operations of the next day ; it had been more or lefs 
rainy from fun riflng ; but about fix in the evening, 
the clouds difperfed and the fun fet in the moft 
aufpicious manner. 
June 3d, I took the following correfponding alti- 
tudes of the fun’s fuperior limb ; light clouds being 
troublefome. 
A.. M. 
Alt. 
P. M. 
Noon by clock. 
k / H 
h > H 
h > n 
8 43 20,0 
44 00 
15 7 25,0 
” 55 22,5 
46 3 S>° 
44-30 
4 I 2 >° 
55 23,5 
48 12,0 
44-45 
2 33 i° 
55 22,5 
49 45 >° 
45* 00 
1 00,0 
55 22,5 
51 24,0 
45-15 
<4 59 23,0 
55 23,5 
53 3 ’° 
45 - 3 ° 
57 42,0 
55 22,5 
57 55 ’° 
46. 1 5 
52 49 >° 
55 22,0 
59 33 >° 
46.30 
51 12,0 
55 22,5. 
9 1 I 3 ’° 
46.45 
49 32,0 
55 22.5 
Mean 
11 55 22,54- 
Corredion 
— 4 ? 3 
Clock at true noon 
-n 
on 
k-H 
CO 
'to 
Mean time 
at ditto 
11 57 43>7 
Clock flow on mean time 
2 25,5 
Thefe correfponding altitudes being taken, I went, 
as the day before, about four o’clock to La MiJJion j 
where I met Monfieur de Rochfort, a gentleman of 
Caen, 
