230 
Captain Hall’s details of experiments 
A. M. 12th January, 1822, Galapagos. 
Clock losing 59 s ,36 at a mean rate. 
— I ' . * J ‘ h iViW.flO f\S rii 
Temp. 
Fahren- 
heit. 
Time of co- 
incidence. 
Arc of 
Vibra- 
tion. 
Mean 
Arc. 
Interval in 
Seconds of 
Clock. 
| 
1 No. of 
I Vibra- 
tions. 
Observed 
Vibrations 
in 24 hours. 
1 Correc- 
tion for 
Arc. 
Vibrations in 
24 hours. 
O 
h. m. s. 
0 
7 4 »S 
6 20 43 
1,30 
O 
1,25 
679 
2,25 
74 j 2 
32 02 
1,20 
M 5 
678 
2,16 
74 > 2 
43 2c 
1,14 
1,07 
678 
1,87 
74>2 
54 38 
1,04 
1,01 
682 
1,67 
74’5 
7 6 00 
°>97 
0,93 
682 
1,41 
74>7 
17 22 
0,90 
0,8 7 
684 
1,24 
75 >° 
28 46 
0,84 
0,81 
682 
1,07 
76,2 
40 8 
0,78 
0,75 
682 
0,92 
77>5 
5 1 30 
0,72 
75 =o 
7 0 Mean Solar Time 
680,875 
678,87 
86087,03 
I,6l 
86088,64 
P. M. 12th January. 
Baroin. 
29,90. 
O 
h. m. s. 
I 
84, 0 
4 20 51 
1,30 
1,25 
678 
2,55 
8 3 > 5 
32 9 
1,20 
I > 1 5 
680 
2,16 
83, 1 
43 29 
1,11 
1,08 
680 
1,91 
82, 8 
54 49 
1,04 
1,01 
682 
1,67 
82, 3 
5 611 
o ,97 
0,94 
683 
•>44 
82, 0 
17 34 
0,91 
0,88 
685 
1,27 
81, 3 
28 59 
o ,85 
0,83 
684 
1,12 
81, 0 
40 23 
0,80 
0 >77 
684 
0,97 
80, 5 
5 1 47 
o ,75 
82,28 
5 0 Mean Solar Time j 
682,0 
680,0 
86087,44 
1,64 
86089,08 
