278 
HINTS TO TRAVELLERS, 
TABLE XXII. 
B = Mean of Second Differences. 
.Long, in 
Time. 
I m 
2m 
3 m 
4 m 
5 m 
6 m 
fjm 
8 m 
| 9m 
IO m 
IITTI 
I2 m 
H. M. 
H. M. 
Sec. 
Sec. 
Sec. 
Sec. 
Sec. 
Sec. 
! Sec. 
Sec. 
Sec. 
Sec. 
Sec. 
Sec. 
o. o 
12. 0 
0.0 
0.0 
0.0 
0.0 
0.0 
0.0 
0.0 
0.0 
0.0 
0.0 
0.0 
0.0 
O.IO 
II.50 
0.4 
0.8 
1.2 
1.6 
2.1 
2.5 
2.9 
3-3 
i ^ 
4.1 
4-5 
4.9 
0.20 
II.40 
0.8 
1.6 
2.4 
3.2 
4.1 
4.9 
5-7 
6.5 
7-3 
8.1 
8.9 
9-7 
0.30 
II.JO 
1.2 
2.4 
3.6 
4.8 
6.0 
7-2 
8*4 
9.6 
10.8 
12.0 
13.2 
14.4 
O.40 
II .20 
1.6 
J.i 
4-7 
6.J 
7-9 
9.4 
11.0 
12.6 
14.2 
15.7 
17.3 
18.9 
O.50 
II.IO 
1.9 
3-9 
5.8 
7.8 
9-7 
11.6 
13.6 
15.5 
1 * 7-4 
19.4 
21.3 
23.3 
I. O 
II. O 
2 .J 
4.6 
6.9 
9.2 
11.5 
13.7 
16.0 
18.3 
20.6 
22.9 
25.2 
27.5 
1.10 
IO.50 
2.6 
53 
7-9 
10.5 
ij.2 
15.8 
18.4 
21.1 
; 23.7 
26.3 
29.0 
31.6 
1.20 
IO.40 
J.O 
5-9 
8.9 
11.9 
14.8 
17.8 
20.7 
23.7 
26.7 
29.6 
32.6 
35-6 
I.JO 
IO. JO 
J.J 
6.6 
9.8 
ij.1 
16.4 
19.7 
23.0 
26.2 
29.5 
32.8 
36.1 
394 
I.40 
10.20 
J.6 
7.2 
10.8 
14.4 
17.9 
21.5 
25.1 
28.7 
32.3 
35-9 
39.5 
43 .i 
1.50 
10.10 
3-9 
7.8 
11.6 
I 5*5 
: 19-4 
2 J.J 
27.2 
3 i.1 
34-9 
38.8 
42.7 
46.6 
2. O 
IO. 0 
4.2 
8.J 
12.5 
16.7 
20.8 
25.O 
29.2 
33.3 
37.5 
41.7 
45.8 
50.0 
2.10 
9.50 
4.4 
8.9 
iJ -3 
17.8 
22.2 
26.6 
31.1 
35-5 
39.9 
44-4 
48.8 
53-3 
2.20 
9.40 
4-7 
9-4 
14.1 
18.8 
23.5 
28.2 
32.9 
1 37-6 
42.3 
47.0 
51.7 
56.4 
2 . JO 
9.JO 
4.9 
9.9 
14.8 
19.8 
24.7 
29.7 
34*6 
39*6 
44-5 
49-5 
54-4 
59.4 
2.40 
9.20 
5.2 
10.4 
15.6 
20.7 
25.9 
31 .1 
36.3 
41.5 
46.7 
51.9 
57.0 
62.2 
2.50 
9.10 
5*4 
10.8 
16.2 
21.6 
27.1 
3 2-5 
37-9 
43.3 
48.7 
54.1 
49-5 
64.9 
J. O 
9. 0 
5-6 
11.2 
16.9 
22.5 
28.1 
33-7 
39-4 
45.0 
50.6 
56.2 
61.9 
67.5 
J.IO 
8.50 
5.8 
n .7 
17-5 
2 J.J 
29.1 
35.0 
40.8 
46.6 
52.4 
58.3 
64.1 
69.9 
J .20 
8.40 
6.0 
12.0 
18.1 
24.I 
JO.I 
36.1 
42.1 
48.1 
54.2 
60.2 
66.2 
72.2 
J.JO 
8. jo 
6.2 
12.4 
18.6 
! 24.8 
31.0 
37-2 
4 D 4 
49.6 
55-8 
62.0 
68.2 
74-4 
J .40 
8.20 
6.4 
12.7 
19.1 
25.5 
ji.8 
38.2 
44.6 
50.9 
57-3 
63.7 
70.0 
76.4 
J .50 
8.10 
6.5 
IJ.O 
19.6 
26.1 
J2.6 
39-1 
45-7 
52.2 
58.7 
65.2 
71.7 
78.3. 
4. 0 
8. 0 
6.7 
IJ.J 
20.0 
26.7 
3 D 3 
40.0 
46.7 
53.3 
60.0 
66.7 
73.3 
80.0 
4.20 
7.40' 
6.9 
U.8 
20.8 
27.7 
34*6 
41.5 
48.4 
55-4 
62.3 
69.2 
76.1 
83.1 
4.40 
7.20 
7 -i 
14-3 
21.4 
28.5 
35-6 
42.8 
49.9 
57.0 
64.2 
71.3 
78.4 
85.6 
5. 0 
7 * ° 
7 3 
14 6 
21.9 
29.2 
J 6‘5 
4 D 7 
51.0 
58.3 
65.6 
72.9 
80.2 
87.5 
5.20 
6 - 4 °. 
7-4 
14.8 
22.2 
29.6 
37 -0 
44.4 
5 i .9 
59-3 
66.7 
74.1 
81.5 
88.9 
5.40 
6.20 
7-5 
15.0 
22.4 
29.9 
37-4 
44.9 
52.3 
59.8 
67.3 
74.8 
82.2 
89.7 
6 . 0 
6 . 0 
7-5 
15.0 
22 5 
JO.O 
37-5 
45.0 
52.5 
60.0 
67.5 
75.0 
82.5 
90.0 
