in a magnetized needle by an iron shelly &c. 
285 
Situation 
of 
Deviations; 
ball 10 inches above. 
Deviations; 
ball on the plane of the table. 
Deviations; 
ball 10 inches below. 
compass. 
Needle 
No. 1, 
Needle 
No. 2. 
Needle 
No. 3. 
Needle 
No. 1. 
Needle 
No. 2. 
Needle 
No. 3. 
Needle 
No. 1. 
Needle 
No. 2. 
Needle 
No. 3. 
North 
N 20° E 
1 ° 
3^ 
2i° 
7i 
io| 
42 
14 
22 
4 
N 40 E 
2lf 
25I 
>5^ 
I21 
16 
8 
21 
29 
10 
N 60 E 
30 
36^ 
22 
“2 
9i 
27 
30 
2>i 
N 80 E 
34i 
43^ 
27 
52 
H 
75 
32I 
28 
37^ 
S 80 E 
34 
4« 
3O2 
35 
si 
9 
34 
3°! 
43 
S 60 E 
272 
22 
31 
12 
10 
14 
302 
2I| 
35 
S 40 E 
S 20 E 
South 
S 20 W 
20I 
izl 
9l 
4 
28| 
22^ 
13 
8 
8 
42 
16 
II 
22 
*sl 
26 
"2 
32 
2l| 
7l 
4 
92 
S 40 W 
20 
9J 
28 
*3 
72 
16 
21 
15 
26 
S 60 W 
261 
21 
29J 
*l2 
9I 
»S 
31 
21 
34i 
S 80 W 
N 80 W 
33 
^4. 
39 
43I 
29 
302 
4 
7 
2^ 
34l 
29I 
20 
43 
O7 
N 60 W 
: 30 
36 
22 
io| 
12 
8| 
26 
29 
21 
N 40 W 
21 
252 
»5 
"2 
>Si 
7 f 
20 
28 
9i 
N 20 W 
7 i 
9l 
II^ 
21^ 
3i I 
