84 
MR. AIRV ON THE OBSERVED DEVIATIONS OF THE COMPASS 
Table of Polar-Magnet-Deviations, 
Apparent Azimuth from Neutral 
Position 
in points and decimals. 
Modulus. 
•00 
•01 
•02 
•03 
•04 
•05 
•06 
•07 
• 
08 
•09 
•10 
Corresponding Polar-Magnet-Deviation, 
in degrees and minutes. 
+ 
+ 
— 
- 
1 
P 
P 
P 
P 
0 
/ 
o 
/ 
O 
/ 
O 
t 
o 
/ 
O / 
o 
/ 
0 
0-0 
16-0 
16-0 
32-0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 0 
0 
0 
0 
0 
0 
0 
0 0 
0 0 
0-1 
15-9 
16-1 
31-9 
0 
0 
0 
1 
0 
1 
0 
2 
0 
3 
0 4 
0 
4 
0 
5 
0 
6 
0 7 
0 7 
0-2 
15-8 
16-2 
31-8 
0 
0 
0 
2 
0 
3 
0 
4 
0 
6 
0 7 
0 
8 
0 
10 
0 
11 
0 13 
0 14 
0-3 
15-7 
16-3 
31-7 
0 
0 
0 
2 
0 
4 
0 
6 
0 
9 
0 11 
0 
13 
0 
15 
0 
17 
0 19 
0 21 
0-4 
15-6 
16-4 
31-6 
0 
0 
0 
3 
0 
5 
0 
8 
0 
11 
0 14 
0 
16 
0 
19 
0 
22 
0 25 
0 27 
0-5 
15-5 
16*5 
31-5 
0 
0 
0 
4 
0 
7 
0 
10 
0 
14 
0 17 
0 
20 
0 
24 
0 
27 
0 31 
0 34 
0-6 
15-4 
16-6 
31-4 
0 
0 
0 
4 
0 
8 
0 
12 
0 
16 
0 20 
0 
24 
0 
28 
0 
32 
0 36 
0 40 
0-7 
15-3 
16-7 
31-3 
0 
0 
0 
5 
0 
9 
0 
14 
0 
19 
0 24 
0 
28 
0 
33 
0 
38 
0 43 
0 47 
0-8 
15-2 
16-8 
31-2 
0 
0 
0 
5 
0 
11 
0 
16 
0 
22 
0 27 
0 
32 
0 
38 
0 
43 
0 48 
0 53 
0-9 
15-1 
16-9 
31-1 
0 
0 
0 
6 
0 
12 
0 
18 
0 
24 
0 30 
0 
36 
0 
42 
0 
48 
0 54 
1 0 
1-0 
15-0 
17-0 
31*0 
0 
0 
0 
7 
0 
13 
0 
20 
0 
27 
0 34 
0 
40 
0 
47 
0 
54 
1 1 
1 7 
1-1 
14-9 
17-1 
30-9 
0 
0 
0 
8 
0 
15 
0 
22 
0 
30 
0 37 
0 
44 
0 
52 
0 
59 
1 7 
1 14 
12 
14-8 
17-2 
30-8 
0 
0 
0 
8 
0 
16 
0 
24 
0 
32 
0 40 
0 
48 
0 
56 
1 
4 
1 12 
1 20 
1-3 
14-7 
17*3 
30-7 
0 
0 
0 
9 
0 
17 
0 
26 
0 
35 
0 44 
0 
52 
1 
1 
1 
9 
1 18 
1 27 
1-4 
14-6 
17'4 
30-6 
0 
0 
0 
9 
0 
19 
0 
28 
0 
38 
0 47 
0 
56 
1 
6 
1 
15 
1 24 
1 33 
1-3 
14-5 
17-5 
30-5 
0 
0 
0 
10 
0 
20 
0 
30 
0 
40 
0 50 
1 
0 
1 
10 
1 
20 
1 30 
1 40 
1-6 
14*4 
17-6 
30-4 
0 
0 
0 
11 
0 
21 
0 
32 
0 
43 
0 54 
1 
4 
1 
15 
1 
25 
1 36 
1 46 
1-7 
14-3 
17-7 
30-3 
0 
0 
0 
11 
0 
22 
0 
34 
0 
45 
0 56 
1 
7 
1 
19 
1 
30 
1 41 
1 53 
1*8 
14-2 
17-8 
30-2 
0 
0 
0 
12 
0 
24 
0 
36 
0 
48 
1 0 
1 
11 
1 
23 
1 
35 
1 47 
1 59 
1-9 
14-1 
17*9 
30“1 
0 
0 
0 
13 
0 
25 
0 
38 
0 
50 
1 3 
1 
15 
1 
28 
1 
40 
1 53 
2 6 
2-0 
14*0 
18-0 
30-0 
0 
0 
0 
13 
0 
26 
0 
40 
0 
53 
1 6 
1 
19 
1 
32 
1 
45 
1 59 
2 12 
2-1 
13-9 
18-1 
29-9 
0 
0 
0 
14 
0 27 
0 
41 
0 
55 
1 9 
1 
22 
1 
36 
1 
50 
2 4 
2 18 
2-2 
13-8 
18-2 
29-8 
0 
0 
0 
15 
0 
29 
0 
44 
0 
58 
1 12 
1 
26 
1 
41 
1 
55 
2 10 
2 24 
2-3 
13*7 
18-3 
29‘7 
0 
0 
0 
15 
0 
30 
0 
45 
1 
0 
1 15 
1 
30 
1 
45 
2 
0 
2 15 
2 30 
2-4 
13-6 
18*4 
29'6 
0 
0 
0 
16 
0 
31 
0 
47 
1 
3 
1 19 
1 
34 
1 
50 
2 
5 
2 21 
2 36 
2-5 
13-5 
18-5 
29-5 
0 
0 
0 
16 
0 
32 
0 
49 
1 
5 
1 21 
1 
37 
1 
54 
2 
10 
2 26 
2 42 
2-6 
13-4 
18-6 
29-4 
0 
0 
0 
17 
0 
34 
0 
51 
1 
8 
1 25 
1 
41 
1 
58 
2 
15 
2 32 
2 48 
2-7 
13-3 
18-7 
29-3 
0 
0 
0 
18 
0 
35 
0 
53 
1 
10 
1 27 
1 
44 
2 
2 
2 
19 
2 37 
2 54 
2-8 
13-2 
18-8 
29-2 
0 
0 
0 
18 
0 
36 
0 
54 
1 
12 
1 30 
1 
48 
2 
6 
2 
24 
2 42 
3 0 
2-9 
13-1 
18-9 
29-1 
0 
0 
0 
19 
0 
37 
0 
56 
1 
15 
1 34 
1 
52 
2 
11 
2 
29 
2 48 
3 6 
3-0 
13-0 
19-0 
29-0 
0 
0 
0 
19 
0 
38 
0 
58 
1 
17 
1 36 
1 
55 
0 
14 
2 
33 
2 52 
3 11 
3-1 
12-9 
19*1 
28-9 
0 
0 
0 
20 
0 
39 
0 
59 
1 
19 
1 39 
1 
58 
2 
18 
2 
37 
2 57 
3 17 
3-2 
12-8 
19-2 
28-8 
0 
0 
0 
20 
0 
40 
1 
1 
1 
21 
1 41 
2 
1 
2 
22 
2 
42 
3 2 
3 22 
3-3 
12-7 
19-3 
28-7 
0 
0 
0 
21 
0 
41 
1 
0 
1 
23 
1 44 
2 
4 
2 
25 
2 
46 
3 7 
3 28 
3-4 
12-6 
19-4 
28-6 
0 
0 
0 
21 
0 
42 
1 
4 
1 
25 
1 46 
2 
7 
2 
29 
50 
3 12 
3 33 
3-5 
12-5 
19'o 
28-5 
0 
0 
0 
22 
0 
44 
1 
6 
1 
28 
1 50 
2 
11 
2 
33 
2 
55 
3 17 
3 39 
3-6 
12-4 
19-6 
28-4 
0 
0 
0 
23 
0 
45 
1 
8 
1 
30 
1 52 
2 
14 
2 
37 
2 
59 
3 22 
3 44 
.3-7 
12-3 
19*7 
28-3 
0 
0 
0 
23 
0 
46 
1 
9 
1 
32 
1 55 
2 
17 
2 
40 
3 
3 
3 26 
3 49 
3-8 
12-2 
19-8 
28-2 
0 
0 
0 
24 
0 
47 
1 
11 
1 
34 
1 57 
o 
20 
2 
44 
3 
7 
3 31 
3 54 
3-9 
12-1 
19-9 
28-1 
0 
0 
0 
24 
0 
48 
1 
12 
1 
36 
2 0 
2 
23 
2 
47 
3 
11 
3 35 
3 59 
4-0 
12-0 
20-0 
28*0 
0 
0 
0 
24 
0 
49 
1 
13 
1 
38 
2 2 
2 
26 
2 
51 
3 
15 
3 39 
4 4 
+ 
+ 
