[ 27 S ] 
Correrponiding double altitudes of the Sun’s lower 
limb, taken with a brafs fextant, by refledion, from 
a faucer of oil, fo placed as not to be the leaft 
difturbed with wind. 
Thurfday, June i, on the north-weft ftde of the 
ifland of Coudre, in latitude 47° 16' 50'^ determined 
by feveral obfervations of two altitudes, with the in- 
terval of time ftiewn by the time-piece. 
Morning, June i. 
h / n 
At 8 29 45 
8 32 C2 
8 35 5 ° 
.8 38 3t 
8 4 ^ S3 
8 43 3+ 
16 01 36 
Dou, alt. 
Afternoon, Compared feparatcly give 
0 / 
h / 
h 
/ P 
75 38 
At 4 8 54 
12 
19 19 
76 42 
4 5 37 
12 
19 14 
77 43 
4 2 39 
12 
19 14 
78 38 
400 
12 
19 15 
79 26 
3 57 24 
12 
19 08 
80 20 
3 55 0 
12 
19 17 
4 I 36 Mean 
12 
19 13; Mean 
Add 12 
7 24 42 Interval 16 01 36 
3 42 21 Half Interval 
8 36 54 Time in the morn. 
12 19 15 
—00 00 06 Equat. of correfponding alt. 
12 19 09 Time Ihewn by clock at apparent noon 
-j-2 35 Equation of time— from apparent noon 
12 21 44 Clock too fall for mean time 
N n ? 
Friday, 
