55 
Sir Thomas l^risbane on the Compnlation of High WateVr 
Moon’s 
Moon’s 
Moon’s 
I Moon’s 
passage 
passage 
passag( 
: passage 
over 
Moon 
over 
over 
Moon 
over 
Merid. 
Moon 
in her 
Moon 
Merid. 
Merid. 
Moon 
in her 
Moon 
Merid. 
in 
illUctll 
111 
Perigee. 
Dis- 
Apogee. 
W 
s 
Peri- 
Distance. 
Apogee. 
o5 
o 
CO 
U 
P 
o 
a 
a- 
tance. 
ffi 
o 
a 
t 
a 
o 
3 
G 
gee. 
■fi 
a 
O 
a 
.S 
K 
§ 
K 
S 
§ 
0 
0 
4.0 
0.0 
-f 5.5 
12 
0 
6 
0 
— 55.5 
*1 / 
1.2.^ 
h / 
1.12.5 
18 
0 
10 
— 
6.1 
■— 2.6 
+ 2.1 
10 
10 
— 52.4 
— 
0.58.6 
1. 7.6 
10 
20 
— 
8.2 
— 5.2 
— 1.2 
20 
20 
— 49.3 
— 
54.8 
1. 2.8' 
20 
30 
— 
10.3 
— 7.8 
— 4.6 
30 
30 
— 46.1 
— 
50.9 
— 
0.57.9 
30 
40 

12.5 
— 10.5 
— 8.0 
40 
40 
— 43.0 
— 
47.0 
— 
53.0 
40 
50 
— 
14.8 
— 13.3 
— 11.5 
50 
50 
— 37.7 
— 
40.7 
— 
45.3 
50 
1 
0 

17.2 
— 16.2 
— 15.0 
13 
0 
7 
X 
— 32.5 
— 
34.5 
— 
X 
X 
10 

19.6 
— 19.1 
— 18.5 
10 
10 
— 27.3 
— 
28.2 
— 
29.7 
10 
20 
— 
22.0 
— 22.0 
— 22.0 
20 
20 
— 22.0 
— 
22.0 
— 
22.0 
20 
30 
24.3 
— 24.8 
— 25.5 
30 
30 
— 16,7 
— 
15.7 
— 
14.3 
30 
40 

26.7 
— 27.7 
— 29.0 
40 
40 
— 11.5 
— 
9.5 
— 
6.5 
40 
50 
— 
29.1 
— 30.6 
— 32.5 
50 
50 
— 6.3 
— 
3.3 
4- 
1.3 
50 
~0 
__ 
31.5 
— 33.5 
— 36.0 
l4 
X 
X 
X 
— 1.0 
4- 
3.0 
4- 
,9.0 
X 
0 
10 

33.6 
— 36.1 
— 39.4 
10 
10 
+ 2.1 
4- 
6.9 
4- 
13.9 
10 
20 

35.7 
— 38.7 
— 42.7 
20 
20 
4- 5.2 
+ 
10.7 
4* 
18.7 
20 
30 
37.8 
— 41.3 
— 46.1 
30 
30 
+ 8.3 
4- 
14.6 
4- 
23.6 
30 
40 
40.0 
— 44.0 
— 49.5 
40 
40 
4 11.5 
4- 
18.5 
4- 
28.5 
40 
50 
— 
42.0 
— 46.3 
— 52.0 
50 
50 
■f 12.7 
4- 
20.0 
4- 
30.3 
50 
T 
0 
44.0 
— 48.7 
— 55.0 
15 
X 
X 
0 
+ 14.0 
4- 
21.5 
4- 
32.3 
IT 
X 
10 
— 
46.0 
— 51.1 
— 58.0 
10 
10 
+ 15.2 
4_ 
23.0 
4- 
34.1 
10 
20 
— 
48.0 
— 93,5 
— 1.1.5 
20 
20 
+ 16.5 
4- 
24.5 
4“ 
36.0 
20 
30 
— 
49.7 
— 55.6 
— 1.4.1 
30 
30 
+ 16.2 
4- 
24.1 
4- 
35.5 
30 
40 
— 
51.5 
— 57.7 
— 1.6.7 
40 
40 
-f 16.0 
4- 
23.8 
4- 
35.0 
40 
50 
— 
52.2 
— 59.8 
— 1.9.3 
50 
50 
+ 15.7 
4- 
23.4 
±.- 
34.5 
50 
X 
0 
— 
55.0 
—1.2.0 
—1.12.0 
16 
0 
X 
X 
4- 15.5 
4- 
23.0 
4* 
XX 
X 
X 
10 
— 
56.1 
—1.3.5 
— ial5 
10 
10 
4- 14.4 
-h 
21.7 
4- 
32.5 
10 
20 
— 
57.2 
—1.5.0 
—1.15.0 
20 
20 
4- 13.3 
+ 
20.5 
4- 
31.0 
20 
30 
— 
58.3 
—1.6.5 
—1,16.5 
30 
30 
4- 12.1 
4- 
19.3 
4- 
29.5 
30 
40 
— 
59 5 
—1.7.0 
— 1.18.0 
40 
40 
4- 11.0 
4- 
18.0 
4 
28.0 
40 
50 
— 
59.7 
—1.7.3 
—1.18.5 
50 
50 
4- 9.2 
4- 
15.9 
4- 
25.4 
50 
X 
0 
— 
1.0.0 
—1.7.7 
—1.19.0 
17 
X 
IT 
X 
4- 7.5 
4- 
13.8 
4 
22.8 
X’ 
~0 
10 
— 
1.0.2 
— i.as 
—1.19.5 
10 
10 
4- 5.7 
4- 
11.6 
4 
20.1 
10 
20 
— .. 
1.0.5 
—1.8.5 
—1.20.0 
20 
20 
4.0 
4- 
9.5 
4 
17.5 
20 
30 
— 0.50.2 . 
—1.7.0 
— 1.18.1 
30 
30 
f 2.0 
4- 
7.1 
4 
14.5 
* 
BO 
40 
— 
58.0 . 
—1.5.5 
-1,16.3 
40 
40 
0.0 
4- 
4.8 
4- 
11.5 
L 
10 
50 
— 
56.7 • 
—1.4.0 
—1.14.4 
50 
50 
— 2.0 
4- 
2.4 
4- 
8.5 
50 
X 
0 
55.5 
1.2.5 
1.12.5 
18 
0 
12' 
0 
4.0 
0.0 
5.5 
u~ 
o" 
Method of Using the Table. 
Examplk I. — Required the Time of High Water at Cork on the 21st October 
1820, the Moon being in Perigee * ? 
Time of the Moon’s passing the meridian, - - 12*' 13' 
Correction in the Table corresponding to 12*' 13', - - — 7 
Time of the Greatest Action of the Sun and Moon, - 12*' b' 
Time of High Water at Full and Change, _ _ _ 4 .54 
Time of High Water required, viz. at 5 in the morning, 17*' 0 
*. The moon’s horizontal parallax in the Nautical Almanack will determine whe- 
ther the Moon is in her perigee, mean distance, or in apogee. 
