282 
Captain Hall’s details of experiments 
Clock losing 41 s ,82 at a mean rate. Oct. 29, A.M. 
Barom. 29,77. 
Temp. 
Fahren- 
heit. 
Time of co- 
incidence. 
Arc of 
Vibra- 
tion. 
Mean 
Arc. 
Interval in 
Seconds of 
Clock. 
No. of 
Vibra- 
tions. 
Observed 
Vibrations 
in 24 hours 
Correc- 
tion for 
Arc. 
Vibrations in 
24 hours. 
o 
74»7 
75 
75.2 
h. m. s. 
7 47 45 
59 52 
81158 
24 6 
3 6 ! 5 
48 25 
9 00 34 
12 46 
24 5 6 
O 
1.33 
1,22 
1,12 
1,03 
°>94 
0,86 
o .79 
°.73 
0,67 
1,275 
1,170 
I.075 
0,985 
,900 
,825 
,760 
,700 
727 
726 
728 
729 
73 ° 
729 
732 
73 ° 
2,66 
2,44 
1,89 
1,59 
1,32 
1,1 I 
0.94 
,80 
75 
728,87 
726,87 
86l2I,2I 
1.57 
86122,78 
P. M. October 29. 
Barom. 29,77. 
75 >i 
7S> 5 
75^8 
11 19 12 
3 1 17 
43 24 
55 3 ' 
12 7 39 
19 48 
3 i 5 8 
44 8 
56 20 
J ’33 
1,22 
1,12 
1,03 
,94 
,86 
,80 
.73 
,68 
I » z 75 
1,170 
1.075 
0,985 
,900 
,830 
,765 
.705 
725 
727 
727 
728 
729 
73 ° 
73 ° 
732 
2,66 
2,24 
1,89 
i .59 
1,32 
1,12 
o ,95 
0,81 
75>5 
728,50 
726,50 
86121,10 
i .57 
86122,67 
October 30, 
A. M. 
Barom. 29,82. 
75 
76 
76,8 
8 16 36 
28 41 
40 47 
52 54 
9 5 2 
17 10 
29 20 
4 1 3 ° 
53 4 ° 
1,39 
1,28 
1,18 
1,0.9 
1,00 
0,92 
,84 
» 7 8 
.72 
1.335 
1.230 
1 > I 35 
1,045 
0,960 
,880 
,810 
. 75 ° 
725 
726 
727 
728 
728 
73 ° 
73 ° 
73 ° 
2,91 
2,47 
2,10 
1,78 
1. 51 
1,27 
1,07 
0,92 
75>9 
728, 
726, 
86120,87 
i .75 
86l22,6z 
