IN THE OBSERVATORY OF GREENWICH. 
487 
Exp. L L. Fresh impulse. Barom. <j 
'30.1521 
30.115] 
30.133 at55°; +.019 Capill. ; -.069 to 32° = 30.083. 
No. of 
Coincid. 
E 
U 
o 
S 
Times of 
Arcs of Vibration. 
Mean 
Temp. 
Mean 
Interval. 
Correc- 
tion for 
Arc. 
Reduc" 
to mean 
temp.53° 
Reduc- 
tion to a 
Vacuum. 
Vibrations 
in Vacuum; 
at 53°. 
Disap. 
Reap. 
Coincidence. 
1 
36 
o 
54.8 
52.8 
m s 1 m s 
17 1117 22 
55 1555 32 
h m s 
1 17 16.5 
4 55 23.5 
0.80X1.05 = 
0.15X1.05 = 
0.84 
0.16 
j 5°3.8 
373.91 
+ 6.39 
+ 0.35 
+ 12.21 
86070.85 
Exp. M M. 
n f 29.6971 
Bar0m - {29.650J 
October 3. 
29.673 at 5 7°; 
Graham making 86520.80 vibrations. 
+ .019 Capill. ; — .072 to 32°= 29.620. 
1 
36 
55.0 
54.6 
m s 
25 36 
03 23 
m s 
25 48 
03 38 
h m s 
10 25 42 
2 03 30.5 
0.78X1.05 = 
0.15X1-05 = 
0.82 
0.16 
j 5°4.8 
373.39 
+ 0.36 
+ 0.79 
+ 12.02 
86070.53 
Exp. N N. Fresh impulse. 
Barom. 
f 29.650 
[29.6^8 
j 29.649 at 56°; + .019 Capill. ; -.070 to32°=29.598. 
1 
30 
54.7 
54.4 
m s 
8 51 
9 15 
m s 
9 01 
9 40 
h m s 
2 8 56 
5 9 27.5 
0.84X1.05 = 
0.22X1.05 = 
0.88 
0.23 
j 54.55 
373.5 
+ 6.50 
+ 0.68 
+ 12.01 
86070.71 
Exp. 0 O. 
n / 29.860 ] 
Barom ‘ 129.856 j 
October 4. Graham making 86520.89 vibrations. 
.29.858 at 52°; + .019 Capill. ; - .06 1 to 32° = 29.816. 
1 
40 
52.5 
53.7 
m s 
01 25 
04 31 
m a 
01 34 
04 52 
h m s 
10 01 29-5 
2 04 41.5 
0.82X1.05 = 
0.14X1.05 = 
0.86 
0.15 
j 5°3.1 
374.16 
+ 6.39 
+ 0.04 
+ 12.12 
86070.97 
Exp. P P. Fresh impulse. Barom. <| 
29.856 ] 
29.850] 
29.853 at 54° j +.019 Capill.; - .066 to 32° = 29.806. 
1 
28 
O 
53.7 
54.3 
m s 
10 37 
58 41 
m s 
10 47 
59 08 
h m s 
2 10 42 
4 58 54.5 
0.77X1.05 = 
0.23X1.05 = 
6.81 
0.24 
| 54.0 
373.80 
+ 6.49 
+ 0.44 
+ 12.11 
86071.03 
Exp. Q Q. 
p f 29.470' 
Barom. | 29.472 
October 5. Graham making 86520.93 vibrations, 
j. 29-47 1 at 55° ; +.019 Capill. ; - .068 to 32° = 29.422. 
1 
40 
54.2 
54.3 
m s m s 
40 4340 55 
43 35|43 54 
h m s 
10 40 49 
2 43 44.5 
0.80X1.05 = 
0.13X1.05 = 
6.84 
0.14 
j 5°4.25 
373.73 
+ 0.36 
+ 0.55 
+ 11.93 
86070.74 
3 R 
MDCCCXXXI 
