58 
MR. LUBBOCK ON TIDE OBSERVATIONS. 
The constant A has the same value for London and Liverpool, and I find for both 
places the mean value of log A = 9'5784858. The following Tables, calculated by 
Mr. Jones, will assist in comparing results deduced from observation with Ber- 
noulli’s expressions. 
Semimenstrual Inequality. 
Semimenstrual Inequality. 
<p. 
in Time. 
Height of 
Tide. 
<p. 
<?• 
in Time. 
Height of 
Tide. 
<P- 
o 
+ 
m 
feet. 
O 
O 
+ 
in 
feet. 
O 
0 
0 
22-81 
180 
45 
42 
21-44 
135 
5 
6 
22-80 
175 
50 
43 
21-15 
130 
10 
11 
22-75 
170 
55 
44 
20-86 
125 
15 
16 
22-65 
165 
60 
44 
20-57 
120 
20 
21 
22-52 
160 
65 
41 
20-28 
115 
25 
26 
22-36 
155 
70 
37 
20-02 
no 
30 
31 
22-17 
150 
75 
32 
19-79 
105 
35 
36 
21-95 
145 
80 
24 
19-61 
100 
40 
40 
21-71 
140 
85 
13 
19-49 
95 
45 
42 
21-44 
135 
90 
0 
19-44 
90 
The preceding Table has been calculated with log A = D‘578^858 and log E = 0-6481648. 
Sun’s Declination. 
d \p in Time. 
Decl. 0°. 
Decl. 3°. 
Decl. 6°. 
Decl. 9°. 
Decl. 1 2°. 
Decl. 15°. 
Decl. 18°. 
Decl. 21°. 
Decl. 24°. 
<?■ 
+ 
- 
<?• 
m 
m 
m 
m 
m 
m 
m 
m 
m 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
180 
15 
i 
i 
i 
i 
l 
0 
0 
1 
i 
165 
30 
2 
i 
i 
i 
0 
0 
1 
2 
3 
150 
45 
2 
2 
i 
i 
0 
0 
2 
3 
5 
135 
60 
4 
3 
o 
2 
1 
0 
2 
3 
5 
120 
75 
3 
2 
2 
1 
1 
0 
2 
4 
5 
105 
90 
0 
0 
0 
0 
0 
0 
0 
0 
0 
90 
- 
+ 
Moon’s Parallax. 
d in Time. 
H. P. 54'. 
H. P. 55'. 
II. P. 56'. 
H. P. 57'. 
H. P. 58'. 
H. P. 59'. 
H. P. 60'. 
H. P. 61'. 
0- 
+ 
<p. 
O 
m 
in 
m 
m 
m 
m 
m 
m 
0 
0 
0 
0 
0 
0 
0 
0 
0 
180 
15 
0 
2 
i 
0 
0 
i 
2 
2 
165 
30 
4 
3 
i 
0 
1 
3 
4 
5 
150 
45 
6 
4 
2 
0 
2 
4 
6 
8 
135 
60 
9 
6 
3 
0 
2 
5 
7 
9 
120 
75 
8 
5 
o 
0 
3 
5 
6 
8 
105 
90 
0 
0 
0 
0 
0 
0 
0 
0 
90 
| 
+ 
