166 
ItEV. F. FALLOWS’S OBSERVATIONS WITH AN INVARIABLE 
Cape of Good Hope : Observer, Mr. Johnson. 
1828. 
Attached 
Therm. 
Barom. 
The 
A. 
rm. 
B. 
No. of 
Coin. 
Disapp. 
lle-app. 
Time of Coin. 
Arc. 
Remarks. 
Dec. 
o 
i nches. 
m 
S 
m 
s 
h 
m 
S 
1 5 / 
68.5 
30.224 
67-3 
67-7 
1 
15 
48 
16 
4 
15 
15 
56.0 
1.20 
The Agate Tlanes were 
68.7 
68.8 
69.5 
30.220 
30.220 
30.215 
67- 9 
68.3 
68- 6 
68.2 
68.6 
68.9 
21 
1 
21 
1 
22 
7 
9 
22 
41 
1 
22 
8 
27 
38 
0 
17 
17 
19 
1 
22 
7 
18.0 
30.0 
50.5 
0.67 
1.28 
0.68 
thrown out of level, 
and again adjusted 
before commencing 
these observations. 
69-5 
30.215 
68-8 
69.0 
1 
24 
9 
24 
27 
19 
24 
18.0 
1.07 
69-5 
30.204 
68-4 
68.7 
21 
9 
31 
9 
53 
21 
9 
42.0 
0.56 
f 
69-5 
30.204 
68-7 
69-2 
1 
20 
38 
20 
54 
21 
20 
46.0 
1.32 
69.0 
30.205 
68-2 
68.7 
21 
5 
53 
6 
13 
23 
6 
3.0 
0.70 
16 f 
69-0 
30.118 
67.8 
68.3 
1 
50 
26 
50 
43 
15 
50 
34.5 
1.20 
High wind from S. E. 
during the whole of 
this day. 
{ 
„ / 
69-5 
69.5 
30.110 
30.092 
67-367-7 
67-968.3 
21 
1 
35 
46 
45 
45 
36 
47 
3 
1 
17 
17 
35 
46 
54.0 
53.0 
0.71 
1.20 
i 
69-5 
30.076 
67-7 
68.0 
21 
32 
3 
32 
21 
19 
32 
12.0 
0.72 
„ f 
69.5 
30.076 
68-0 
,68.4 
1 
48 
27 
48 
44 
19 
48 
35.5 
1.23 
1 
70.0 
30.048 
67-968.3 
21 
33 
44 
34 
1 
21 
33 
52.5 
0.77 
” / 
70.0 
30.048 
68-0 
68.4 
1 
44 
45 
45 
2 
21 
44 
53.5 
1.21 
1 
68.5 
30.028 
67-8 
68.2 
21 
30 
1 
30 
19 
23 
30 
10.0 
0.78 
17 / 
68.5 
30.028 
67-5 
68.0 
1 
39 
34 
39 
50 
14 
39 
42.0 
1.20 
1 
69.5 
30.022 
67-8 
68.3 
21 
24 
51 
25 
9 
16 
25 
0.0 
0.72 
„ / 
69-5 
30.022 
68-2 
68.7 
1 
35 
45 
36 
1 
16 
35 
53.0 
1.12 
{ 
70.5 
30.016 
68-5 
69 .O 
21 
20 
58 
21 
15 
18 
21 
6.5 
0.68 
”{ 
70.5 
30.016 
69-0 
69.5 
1 
37 
33 
37 
50 
18 
37 
41.5 
1.12 
71.5 
30.009 
69-5 
69.8 
21 
22 
41 
22 
58 
20 
22 
49.5 
0.67 
” / 
1 71.5 
30.009 
68.5 
68.8 
1 
34 
1 
34 
17 
20 
34 
9-0 
1.30 
{ 
70.0 
30.004 
69.0 
69.5 
21 
19 
8 
19 
25 
22 
19 
16.5 
0.79 
Observations computed. 
No. of 
Observ. 
Mean 
Temp. 
Interval. 
Uncorrected 
Number of 
Vibrations. 
Clock’s 
Rate. 
Correc. 
for Arc. 
Reduc. to 
62° Fahr. 
Red. Vib ns in 24 
Mean Solar Hours 
at 62° Fahr. 
1 
67°78 
h m s 
1 45 22.0 
86088.392 
0.39 
+ 
1.394 
+ 
2.432 
86091.828 
2 
68.60 
1 45 20.5 
86088.275 
0.39 
1.524 
2.779 
86092.188 
3 
68.73 
1 45 24.0 
86088.568 
0.39 
1.052 
2.833 
86092.063 
4 
68.70 
1 45 17.0 
86087-960 
0.39 
1.622 
2.821 
86092.013 
5 
67-78 
1 45 19-5 
86088.198 
0.21 
1.461 
2.433 
86091.882 
6 
67-97 
1 45 19.0 
86088.137 
0.21 
1.482 
2.513 
86091.922 
7 
68.15 
1 45 17.0 
86087-960 
0.21 
1.609 
2.589 
86091.948 
8 
68.10 
1 45 1 6.5 
86087-920 
0.21 
1.597 
2.568 
86091.875 
9 
67-90 
1 45 18.0 
86088.059 
0.21 
1.482 
2.484 
86091.815 
10 
68.63 
1 45 13.5 
86087-660 
0.21 
1.300 
2.791 
86091.541 
11 
69.45 
1 45 8.0 
86087-180 
0.21 
1.284 
3.136 
86091.390 
12 
68.95 
1 45 7.5 
86087-120 
11. 11 
1.753 
2.925 
86091.588 
Mean. . 
68.39 
Mean .... 
Correction for buoyancy 
86091.838 
+ 5.956 
Number of Vibrations in vacuo, in 
24 Mean Solar Hours . . 
86097.794 
