60 
Lieutenant Foster’s account of 
Table V. Second Series. 
Vibrations of the Pendulum at Port Bowen, computed at the assumed 
rate of the Clock, viz. 86469,88 vibrations in a mean solar day. 
Time of 
the day. 
Vibrations in 24 h. at Temp. 50°. 
Date. 
Barometer. 
Thermom. 
Disappearance. 
Mean of Disap. 
and Re-ap. 
July 6th 
P. M. 
inches. 
2 9>755 
O 
50,59 
86223,36 6 
86223,524 
— 
— 
>757 
5°>74 
86223,445 
86223,604 
7 th 
A. M. 
29,749 
52,83 
86223,45 I 
86223,630 
— 
— 
.742 
S3»75 
86223,512 
86223,652 
— 
P. M. 
>746 
52,70 
86223,473 
86223,632 
— 
— 
>7 5 6 
53,09 
86223,459 
86223,599 
8th 
A. M. 
29,810 
50,15 
86223,261 
86223,379 
— 
— 
,810 
49’36 
86223,282 
86223,420 
■ — 
P. M. 
,812 
50,36 
86223,399 
86223,597 
■ — 
— 
,819 
5o,49 
86223,530 
86223,688 
5 th 
A. M. 
29,812 
5C37 
86223,616 
86223,715 
P. M. 
,811 
52,75 
86223,699 
86223,858 
— 
• — ■ 
,804 
52,77 
86223,609 
86223,769 
10th 
A. M. 
29,772 
49.74 
86223,525 
86223,683 
— 
— 
>77 1 
50,00 
86223,647 
86223,765 
— 
P M. 
>775 
50,29 
86223,791 
86223,910 
— 
— 
>77 \ 
50,20 
86223,703 
86223,861 
Mean. 
29,781 
51,25 
86223,516 
86223,664 
Table VL Second Series. 
— 
By the Stars. 
July 1825. 
Computed vibrations of the 
pendulum in 24 h. the clock 
gaining 69\88 (assumed 
rate) in a mean solar day. 
QJ £. 
0 iz 
<d - 
03 t- 
cti 
1 
2 tS 
-Q 
O 
Stf . 
(fir CO 
a ” co 
0 u. 
Correct number of vibrations 
made by the pendulum in a 
mean solar day at tempe- 
rature 50u. 
"C 
CD 
> 
u. 
<D 
_a 
0 
_cd 
r ‘U 
.£ 
Factors. 
From 
To 
Disappearance. 
Mean of Disap. 
and Re-ap. 
> >> 
CD ^ 
•3-3 
0 .2 
O 
8*2 
1.3 = 
O ^ CtJ 
Disappearance. 
Mean of Disap. 
and Re-ap. 
O 
O 
13 
CD 
C 
HH 
7th A. M. 
7th P. M. 
86223,474 
86223,628 
s, 
70,30 
vib, 
+ 0,420 
86223,894 
86224,048 
2 
I 
2 
8th — 
86223,421 
86223,575 
7°>33 
+ 0,450 
86223,87 l 
86224,025 
2 
2 
4 
9th — 
86223,48 1 
86223,631 
7°, 1 7 
4- 0.2Q0 
86223,771 
86223,921 
2 
3 
6 
iorh — 
86223,530 
86223,677 
70,18 
+ 0,300 
86223,830 
86223,977 
2 
4 
8 
8th A. M. 
8th P. M. 
86223,343 
86223,521 
70,38 
+ 0,500 
86223,843 
86224,021 
2 
1 
2 
9th — 
86223,485 
86223,632 
70,1 1 
+ 0,230 
86223,715 
86223,862 
2 
2 
4 
10 th — 
86223,551 
86223,695 
70,14 
-f 0,260 
86223,8 I I 
86223,955 
2 
3 
6 
9th A. M. 
9th P. M. 
86223,641 
86223,78 I 
69,84 
0,040 
86223,601 
86223,74 1 
2 
1 
2 
10th — 
86223,656 
86223,794 
70,02 
+ 0,140 
86223,796 
86223,794 
2 
2 
4 
10th A. M. 
10th P. M. 
86223,666 
86223,805 
70,21 
+ 0.23° 
86223,896 
86224,035 
2 
1 
2 
Mean 
86223,803 
86223,938 
Sum of 
Factors 
4° 
