DIURNAL VARIATIONS OF TERRESTRIAL MAGNETISM. 
113 
Table V.—Fourier Coefficients (in the Formula 2C n sin (nt + 6 n )) of the Lunar 
Diurnal Magnetic Variation, Reduced to the Epoch of New Moon, at Pavlovsk, 
Pola, Zi-Ka-Wei, Manila, and Batavia. 
Observatory. 
Force 
component. 
Cl 
0 i. 
c 2 . 
0 o. 
c 3 . 
08- 
c 4 . 
0 . 4- 
o 
Summe 
o 
r. 
° 
O 
r 
West . . . 
131 
114 
128 
88 
28 
83 
2 
_ 
Pavlovsk . < 
North . . 
61 
20 
105 
4 
62 
355 
26 
291 
1 
Radial . . 
36 
145 
13 
203 
11 
282 
1 
— 
r 
West . . . 
113 
124 
161 
78 
80 
86 
4 
269 
Pola. . . V 
North . . 
111 
12 
133 
25 
86 
41 
20 
46 
L 
Radial . . 
15 
126 
62 
129 
30 
131 
6 
126 
r 
West . . . 
117 
81 
236 
83 
117 
94 
14 
130 
Zi-Ka-Wei ^ 
North . . 
42 
328 
14 
112 
23 
40 
10 
316 
l 
Radial . . 
50 
138 
111 
82 
37 
173 
12 
159 
r 
West . . . 
80 
85 
144 
97 
84 
107 
11 
128 
Manila . .< 
North . . 
61 
216 
69 
201 
30 
228 
7 
318 
1 
Radial . . 
52 
149 
82 
166 
38 
172 
4 
248 
r 
West . . . 
20 
18 
27 
117 
2 
99 
8 
219 
Batavia . . < 
North . . 
40 
177 
86 
203 
13 
153 
11 
19 
l 
Radial . . 
10 
195 
38 
359 
2 
174 
4 
84 
Equinox. 
r 
West . . . 
79 
116 
82 
84 
13 
96 
15 
115 
Pavlovsk . < 
North . . 
42 
345 
48 
359 
63 
1 
27 
338 
1 
Radial . . 
13 
46 
17 
15 
2 
— 
5 
229 
r 
West . . . 
71 
124 
60 
60 
48 
100 
26 
107 
Pola. . . J 
North . . 
63 
3 
80 
29 
71 
37 
21 
53 
l 
Radial . . 
14 
' 
97 
24 
164 
14 
166 
14 
171 
r 
West . . . 
65 
61 
162 
87 
91 
69 
32 
110 
Zi-Ka-Wei ^ 
North . . 
48 
313 
28 
0 
37 
25 
22 
347 
l 
Radial . . 
24 
88 
125 
68 
22 
160 
2 
173 
r 
West . .. . 
58 
60 
114 
105 
74 
106 
28 
113 
Manila . . < 
North . . 
29 
200 
56 
197 
21 
177 
18 
275 
l 
Radial . . 
53 
150 
100 
167 
60 
168 
17 
166 
r 
West . . . 
20 
216 
66 
256 
29 
249 
30 
269 
Batavia . .< 
North . . 
38 
198 
76 
226 
16 
205 
10 
266 
1 
Radial . . 
22 
123 
31 
25 
11 
111 
7 
134 
VOL, COX VIII.-A Q 
