MR. LUBBOCK’S NOTE ON THE TIDES IN THE PORT OF LONDON. 599 
Time. 
Difference. 
He 
ght of Tide. 
Differ 
Time. 
Difference 
Height of Tide. 
Difference. 
London 
Docks. 
St. Ka- 
thcrine’s 
Docks. 
London 
Docks. 
St., Ka¬ 
therine’s 
Docks. 
ence. 
London 
Docks. 
St. Ka¬ 
therine’s 
Docks. 
London 
Docks. 
St. Ka¬ 
therine’s 
Docks. 
h 
m 
h 
m 
m 
ft. 
in. 
ft. 
in. 
in. 
h 
m 
h 
m 
m 
ft. 
in. 
ft. 
in. 
ft 
in. 
March J 
1 
30 
1 
35 
+ 5 
20 
2 
25 
2 
+ 5 
0 
2 
0 
1 
58 
- 2 
21 
0 
25 
10 
+4 
10 
2 
2 
5 
2 
10 
+ 5 
21 
2 
26 
2 
+5 
0 
2 
20 
2 
35 
+ 15 
21 
5 
26 
5 
+5 
0 
3 
2 
40 
2 
46 
+ 6 
21 
4 
26 
3 
+4 
11 
3 
0 
3 
11 
+ 11 
20 
10 
25 
9 
+4 
11 
4 
3 
15 
3 
20 
+ 5 
21 
0 
25 
11 
+4 
11 
3 
25 
3 
30 
+ 5 
21 
6 
27 
4 
+5 
10 
5 
3 
45 
3 
45 
0 
21 
3 
26 
2 
+4 
11 
4 
5 
4 
14 
+ 9 
21 
5 
26 
4 
+4 
11 
6 
4 
0 
4 
10 
+ 10 
22 
11 
27 
10 
+4 
11 
4 
30 
4 
45 
+ 15 
19 
10 
24 
8 
+4 
10 
7 
5 
5 
5 
15 
+ 10 
21 
6 
26 
4 
+ 4 
10 
5 
0 
5 
8 
+ 8 
22 
11 
27 
10 
+4 
11 
S 
5 
30 
5 
24 
- 6 
23 
1 
28 
0 
+ 4 
11 
5 
50 
6 
0 
+ 10 
21 
11 
26 
10 
+4 
11 
9 
6 
10 
6 
15 
+ 5 
21 
11 
26 
10 
+4 
11 
6 
45 
6 
48 
4- 3 
20 
10 
25 
9 
+4 
11 
10 
7 
15 
7 
15 
0 
20 
7 
25 
7 
+5 
0 
7 
50 
7 
55 
+ 5 
19 
8 
24 
7 
+4 
11 
11 
8 
15 
8 
18 
+ 3 
19 
6 
24 
5 
+4 
11 
9 
15 
9 
18 
+ 3 
20 
0 
25 
0 
+5 
0 
12 
9 
30 
9 
40 
+ 10 
19 
9 
24 
8 
+4 
11 
10 
45 
10 
45 
0 
19 
7 
27 
4 
+7 
9 
13 
11 
20 
11 
18 
- 2 
20 
3 
25 
2 
+4 
11 
12 
0 
0 
5 
+ 5 
20 
6 
25 
6 
+5 
0 
14 
0 
25 
0 
23 
_ 2 
21 
3 
26 
2 
+4 
11 
15 
0 
50 
1 
8 
+ 18 
21 
6 
26 
7 
+5 
1 
1 
15 
1 
23 
+ 8 
23 
0 
27 
10 
+ 4 
10 
16 
1 
40 
1 
50 
+ 10 
22 
3 
27 
2 
+4 
11 
2 
10 
2 
13 
+ 3 
22 
0 
26 
10 
+4 
10 
17 
2 
20 
2 
25 
+ 5 
21 
6 
26 
5 
+ 4 
11 
2 
45 
2 
55 
+ 10 
23 
10 
28 
8 
+4 
10 
18 
2 
50 
2 
55 
+ 5 
23 
0 
27 
9 
+4 
9 
3 
30 
3 
30 
0 
23 
0 
28 
1 
+5 
1 
19 
3 
35 
3 
35 
0 
24 
0 
28 
11 
+4 
11 
4 
0 
4 
10 
+ 10 
21 
6 
27 
4 
+5 
10 
20 
4 
10 
4 
18 
+ 8 
22 
2 
27 
2 
+5 
0 
4 
30 
4 
33 
+ 3 
23 
9 
28 
9 
+5 
0 
21 
4 
50 
4 
56 
+ 6 
22 
0 
27 
2 
+5 
2 
5 
20 
5 
30 
+ 10 
21 
6 
26 
5 
+4 
11 
22 
5 
25 
5 
30 
+ 5 
21 
8 
26 
7 
+4 
11 
5 
40 
5 
55 
+ 15 
20 
10 
25 
7 
+4 
9 
23 
6 
0 
6 
5 
+ 5 
20 
8 
25 
7 
+4 
11 
6 
15 
6 
30 
+ 15 
20 
4 
25 
4 
+5 
0 
24 
6 
30 
6 
40 
+ 10 
19 
0 
23 
11 
+4 
11 
7 
15 
7 
20 
+ 5 
19 
1 
24 
0 
+4 
11 
25 
7 
40 
7 
38 
- 2 
18 
6 
22 
4 
+3 
10 
7 
50 
7 
48 
- 2 
17 
0 
21 
10 
+4 
10 
26 
8 
45 
8 
48 
+ 3 
17 
7 
22 
5 
+4 
10 
9 
30 
9 
40 
+ 10 
17 
0 
21 
11 
+ 4 
11 
27 
10 
35 
10 
40 
+ 5 
18 
10 
23 
9 
+4 
11 
11 
0 
11 
5 
+ 5 
18 
1 
23 
0 
+4 
11 
28 
11 
30 
11 
48 
+ 18 
19 
0 
23 
10 
+4 
10 
29 
0 
15 
0 
10 
- 5 
19 
4 
24 
4 
+5 
0 
0 
30 
0 
48 
+ 18 
21 
3 
26 
1 
+4 
10 
30 
0 
50 
1 
2 
+ 12 
20 
5 
25 
4 
+4 
11 
1 
20 
1 
32 
+ 12 
21 
7 
26 
7 
+5 
0 
31 
1 
50 
1 
40 
+ 10 
21 
8 
26 
6 
+4 
10 
2 
0 
9 
5 
+ 5 
22 
3 
27 
2 
+4 
11 
4 H 2 
