284 
Captain Hall's details of experiments 
Clock losing 41 s , 82 at a mean rate. Nov. 1, A. M. Barom 29,82. 
Temp. 
Time of co- 
Arc of 
Mean 
Interval in 
No. of 
Observed 
Correc- 
Vibrations in 
Fahren- 
incidence. 
Vibra- 
Arc. 
Seconds of 
Vibra- 
Vibrations in 
tion for 
24 hours. 
heit. 
tion. 
Clock. 
tions. 
24 hours. 
Arc. 
o 
h. m. s. 
0 
75>5 
8 15 26 
i ,39 
O 
' 
-1 3 ° 
1,28 
1,335 
724 
2,91 
39 35 
1 18 
1,230 
725 
2,47 
5 1 4 1 
1,09 
1 , >35 
726 
2,10 
7 *>> 4 
9 3 47 
1,00 
i ,°45 
726 
1,78 
15 54 
0,92 
0,960 
727 
1,51 
28 3 
,84 
,880 
729 
1,27 
40 12 
>77 
,805 
729 
I,o 6 
76,5 
52 22 
>7 2 
,745 
73 ° 
0,91 
76,1 
727 , 
725 , 
86l20,6l 
1,75 
86122,36 
P. M. November 1 
Barom. 29,74. 
77 
11 52 47 
1,41 
12 4 49 
i, 3 ° 
i ,355 
722 
3,00 
16 52 
1,20 
1,250 
723 
28 56 
1, 11 
1,145 
724 
2,14 
77>2 
41 2 
1,02 
1,065 
726 
1,85 
53 9 
0,93 
°,975 
727 
i ,55 
1 5 14 
,86 
,895 
725 
1,31 
17 21 
,80 
,830 
727 
1,12 
77> 2 
29 28 
,75 
>77 5 
727 
0,98 
77 > x 
725,12 
723,12 
86119,99 
1,81 
86121,80 
November 2 , A.M. 
Barom. 29,71. 
77»8 
00 
00 
i ,34 
20 45 
1,23 
1,285 
7 2 3 
2,70 
3 2 49 
M 3 
1,180 
724 
2,28 
44 S 2 
1,03 
1,080 
723 
1,91 
78,8 
5 6 57 
0,94 
0,985 
7 2 5 
1,59 
9 9 2 
, 8 7 
, 9°5 
725 
i ,34 
21 8 
,81 
,840 
726 
1,15 
33 14 
,75 
,780 
726 
0,99 
7 8 ,9 
45 22 
, 7 ° 
,725 
728 
,86 
78,5 
725 , 
7 2 3 , 
86119,95 
1,60 
86121,55 
