XIV 
t ABLe 
AN ACCOUNT of the going of the Six CHRONOMETERS selected for the determination of Longitudes 
Week being shewn of each Chroi 
notiiete, 
XV 
cement of the Voyage to the close of the season of Navigation of 1819 ; the average Daily Rate in each 
.commen' 
lessively on the other five. 
The “ Daily Rates which are here given, are the actual daily differences of each Chronometer on the others, as shewn ® 
reference is made. A Table of this nature much facilitates the regulation of Chronometers, by bringing into a small compa ss ’ 
It will also generally shew the week in which any Chronometer may change its established rate ; and as this sometimes happe» s 
on the mean Longitude, which requires to be met by a special correction, this Table serves to fix the periods, and regulate the 
Week 
ending 
228 with 
254 with 
259 with 
369 with 
404 with 
25 with 
Temperature. 
254 
259 
369 
404 
25 
228 
259 
369 
404 
25 
228 
254 
369 
404 
IT 
B8 
254 
259 
404- 
25 
228 
254 
259 
369 
25 
228 
254. 
259 
369 
404 
Mini- 
mum. 
Maxi- 
mum. 
Mean 
S 
$ 
5 
s 
S 
S 
S 
S 
S 
S 
5 
S 
S 
i 
S 
S 
S 
S 
S 
$ 
S 
S 
S 
S 
$ 
S 
S 1 
o 
0 
O 
May 13 
GO. 61 
G2.77 
G0.92J 
L4.96 
L7.46 
Lo.61 
G2.16 
GO. 313 
L 5.57 
Ls.07 
L2.77 
L2.16 
L 1.747 
L7.73 
L 10.23 
$ 
|,0,9-?3 
L0.313 
Gl.747 
L 5.886 
LS.3S3 
G4.96 
G5.57 
G7.73 
G5.8S6 
L2.5 
G7.46 
G8.07 
GlO.23 
G8.3S3 
G2.5 
20 
Ll. 
3.3 
0.86 
5.93 
9. 
Gl. 
4.3 
1.S6 
4.93 
8. 
3.3 
4.3 
2.44 
9.23 
12.3 
6.S6 
1.86 
2.44 
6.79 
9.86 
5.93 
4.93 
9.23 
6.79 
3.57 
9. 
8. 
12.3 
9.S6 
3.07 
27 
0.93 
2.93 
0.57 
4.86 
9.536 
0.93 
3.S6 
1.4 
3.93 
8.606 
2.93 
3.S6 
2.36 
7.79 
12.466 
0.57 
1.4 
2.36 
5.43 
10.106 
4.S6 
3.93 
7.79 
5.43 
4.676 
9.536 
8.606 
12.466 
10.106 
4.676 
June 3 
1. 
2.36 
2.036 
4.464 
10.43 
1. 
3.36 
3.036 
3.464 
9.43 
2.36 
3.36 
0.324 
6.S26 
12.79 
2.036 
3.036 
0.324 
6.5 
12.466 
4.464 
3.464 
6.826 
6.5 
5.966 
10.43 
9.43 
12.79 
12.466 
5.966 
10 
0.034 
2.8 
3.107 
3.14 
10.61 
0.034 
2.S34 
3.141 
3.114 
10.576 
2.8 
2.834 
GO. 307 
5.94 
13.41 
3.1H7 
3.141 
L 0.307 
6.247 
13.717 
3.14 
3.114 
5.94 
6.247 
7.47 
10.61 
10.576 
13.41 
13.717 
7.47 
45 
55 
49.5 
17 
G3.ll 
3.14 
2.32 
2.57 
12.68 
L3.ll 
0.03 
L0.79 
5.68 
15.79 
3.14 
0.03 
L0.82 
5.71 
15.82 
8.32 
GO. 79 
G0.S2 
4.89 
15. 
2.57 
5.68 
5.71 
4.89 
10.11 
12.68 
15.79 
15.82 
15. 
10.11 
45 
65 
54.5 
24 
4.14 
2.7 
Lo.14 
1.535 
11.32 
4.14 
L 1.44 
4.58 
5.675 
15.46 
2.7 
Gl.44 
2.84 
4.235 
14.02 
0.14 
4.58 
2.84 
1.395 
11.18 
1.535 
5.675 
4.235 
1.395 
9.785 
11.32 
15.46 
14.02 
11.18 
9.785 
49 
68 
37.5 
July 1 
3.7 
3.5 
0.14 
1.07 
11.43 
3.7 
0.2 
3.84 
4.77 
15.13 
3.5 
0.2 
3.64 
4.57 
14.93 
0,14 
3.84 
3.64 
0.93 
11.29 
1.07 
4.77 
4.57 
0.93 
10.36 
11.43 
15.13 
14.93 
11.29 
10.36 
46 
68 
58.7 
8 
3.465 
3.6S 
Go. 14 
0.714 
10.8 
3.466 
Go. 215 
3.325 
4.179 
14.265 
3.6S 
L0.215 
3.54 
4.394 
14.48 
0,14 
3.325 
3.54 
0.854 
10.94 
0.714 
4.179 
4.394 
0.S54 
10.086 
10.8 
14.265 
14.48 
10.94 
10.0S6 
45 
64 
60 
15 
3.607 
4.25 
0.714 
GO. 036 
9.964 
3.607 
0.643 
2.S93 
3.571 
13.571 
4.25 
0.643 
3.536 
4.214 
14.214 
jmi 
3.893 
3.536 
GO. 6 78 
10.678 
L0.036 
3.571 
4.214 
0.678 
10. 
9.964 
13.571 
14.214 
10.678 
10. 
49 
66 
56.5 
22 
3.57 
4.214 
0.357 
0.036 
9.57 
3.57 
0.S44 
3.213 
3.534 
13.14 
4.214 
0.844 
3.857 
4.178 
13.784 
0,3,7? 
3.213 
3.857 
0.321 
9.927 
0.036 
3.534 
4.178 
0.321 
9.606 
9.57 
13.14 
13.784 
9.927 
9.606 
45 
66 
57 
29 
3.07 
4.5 
0.2S6 
0.107 
8.S2 
3.07 
1.43 
2.784 
2.963 
11.89 
4.5 
1.43 
3.214 
4.393 
13.32 
0.2S6 
2.784 
3.214 
0.179 
9.106 
0.107 
2.963 
4.393 
0.179 
8.927 
8.82 
11.89 
13.32 
9.106 
8.927 
52 
66 
58.7 
Aug. 5 
3.286 
4.393 
Lo.357 
0.18 
5. IS 
3.2S6 
1.107 
3.643 
3.106 
8.466 
4.393 
1.107 
4.75 
4.213 
9.573 
J0.3o7 
3.643 
4.75 
0.587 
4.823 
0.18 
3.106 
4.213 
L0.537 
5.36 
5.18 
8.466 
9.573 
4.S23 
5.36 
50 
66 
57.5 
12 
2.536 
4.36 
0.57 
0. 
7.536 
2.536 
1.824 
3.106 
2.536 
10.072 
4.36 
1.824 
4.93 
4.36 
11.896 
0,37 
3.106 
4.93 
0.57 
6.966 
0. 
2.536 
4.36 
0.57 
7.536 
7.536 
10.072 
1.896 
6.966 
7.536 
46 
68 
58 
19 
3.036 
4.464 
0.75 
0.43 
7.S2 
3.036 
1.42S 
3.786 
2.606 
10.856 
4.464 
1.428 
5.214 
4.034 
12.284 
0.7,7 
3.786 
5.214 
1.18 
7.07 
0.43 
2.606 
4.034 
1.18 
8.25 
7.82 
10.856 
12.284 
7.07 
8.25 
50 
65 
58 
26 
3.716 
4.93 
0.536 
1.S93 
5.5 
3.716 
1.214 
4.252 
1.823 
9.216 
4.93 
1.214 
5.466 
3.037 
10.43 
«.33i 
4.252 
5.466 
2.429 
4.964 
1.893 
1.823 
3.037 
2.429 
7.393 
5.5 
9.216 
10.43 
4.964 
7.393 
40 
70 
57 
Sept. 2 
3.536 
5.93 
0.18 
2. 
4.036 
3.536 
2.394 
3.716 
1.536 
7.572 
5.93 
2.394 
6.11 
3.93 
9.968 
0,1s 
3.716 
6.11 
2.18 
3.856 
2. 
1.536 
3.93 
2. IS 
6.036 
4.036 
7.572 
9.966 
3.856 
6.036 
50 
69 
58.5 
9 
5.07 
6.643 
G 1.036 
2.5 
3. IS 
5.07 
1.573 
4.034 
2.67 
8.25 
6.643 
1.573 
5.607 
4.143 
9.823 
4.034 
5.607 
1.464 
4.216 
2.5 
2.57 
4.143 
1.464 
5.6S 
3.18 
8.25 
9.823 
4.216 
5.68 
48 
70 
58 
J comparison each day at noon ; being wholly unconnected with the respective corrections to Mean Greenw.ch time, to which no 
J 1 °ne view, the means whereby their absolute as well as relative uniformity and steadiness of going may be estimated. 
or three (where several are concerned), in the intervals between comparisons with known time, and as each change has an influence 
"t of such corrections accordingly. 
ho 
