StJRVBr OF THE BRITISH ISLES FOR THE EPOCH JANUARY I, 1891. 
589 
Vertical Forces, Observed and Calculated, with Differences (continued). 
(continued). 
No. 
Inclination. 
Horizontal Force. 
Vertical Force. 
No. 
1891. 
1891. 
Observed. 
Calculated. 
Difference. 
Observed. 
Calculated. 
Difference. 
Observed. 
Calculated. 
Difference. 
836 
O 
69 
54-6 
O 
69 
42-9 
11-7 
1-6714 
1-6868 
-0154 
4-5697 
4-5636 
+ -0061 
836 
837 
69 
10-6 
69 
14-9 
_ 
4-3 
1-7257 
1-7171 
-0086 
4-6374 
4-5318 
+ -0056 
837 
838 
70 
22-2 
70 27-4 
— 
5-2 
1-6392 
1-6384 
+ 
-0008 
4-5958 
4-6156 
- -0198 
838 
839 
69 26-9 
69 
32 2 
- 
5'3 
1-7056 
1-6985 
-0071 
4-5494 
4-5517 
- -0023 
839 
840 
69 
12'5 
69 
16 8 
_ 
4-3 
1-7182 
1-7138 
-0044 
45251 
4-5306 
— -0055 
840 
841 
69 
28-6 
69 
32-8 
4-2 
1-7031 
1-6968 
-h 
-0063 
4-5495 
4-5496 
- -0001 
841 
842 
69 
12-9 
69 
14-9 
— 
2-0 
1-7261 
1-7185 
-0076 
4-5476 
4-5354 
+ -0122 
842 
843 
68 
58-9 
69 
5-6 
— 
6-7 
1-7352 
1-7300 
-0052 
4-5161 
4-5289 
- -0128 
843 
844<i 
70 
3-3 
69 48-0 
15-3 
1-6579 
1-6799 
— 
-0220 
4-5685 
4-5658 
+ -0027 
844.a 
844i 
•• 
1-660G 
1-6799 
- 
-0193 
•• 
•• 
8445 
845 
69 
43-2 
69 
39-2 
4-0 
1-6884 
1-6908 
_ 
-0024 
4-5692 
4-5594 
+ -0098 
845 
846 
70 
9-7 
70 
9-7 
0-0 
1-6593 
1-6581 
+ 
-0012 
4-5993 
4-5959 
+ -0034 
b4t> 
817 
; 9 
49-3 
69 
42-4 
+ 
6-9 
1-6880 
1-6906 
- 
-0026 
4-5932 
4-5719 
+ -0213 
847 
848 
69 
23-2 
69 
21-1 
+ 
21 
1-7104 
1-7111 
_ 
-0(J()7 
4-5473 
4-5408 
+ -0065 
848 
849a 
70 
16-4 
70 
11-1 
-h 
5-3 
] -6478 
1-6574 
— 
-0096 
4-5954 
4-5998 
- -0044 
849a 
849S 
1-6435 
1-6574 
— 
-01.39 
. . 
8496 
850 
69 
24‘7 
69 
23-4 
+ 
1-3 
1-7079 
1-7092 
- 
-0013 
4-5466 
4-5449 
+ -0017 
850 
851a 
, , 
, , 
851a 
8515 
69 
CO 
CO 
GO 
69 
41-7 
- 
7-9 
1-6987 
1-6896 
+ 
-0091 
4-5587 
4-5636 
- -0049 
8516 
852 
69 
1-6 
68 
59-4 
2-2 
1-7242 
1-7329 
_ 
-0087 
4-4980 
4-5120 
- -0140 
852 
853 
68 
32-9 
68 
34-3 
_ 
1-4 
1-7663 
1-7651 
-0012 
4-4950 
4-4975 
- -0025 
853 
854a 
70 
11-0 
70 
6 0 
+ 
5-0 
1-6544 
1-6639 
-0095 
4-5910 
4-5960 
- -0055 
854a 
8545 
70 
10-4 
70 
6-0 
+ 
4*4 
1-6527 
1-6639 
— 
-0112 
4-5838 
4-5965 
- -0127 
8546 
855 
68 
43 1 
68 
49-5 
6-4 
1-7550 
1-7499 
+ 
-0051 
4-5057 
4-5173 
- -0116 
855 
856 
70 
17‘3 
70 
13-8 
+ 
3-7 
1-6495 
1-6532 
-0037 
4-6048 
4-5995 
+ -0053 
856 
857 
69 
29-3 
69 
35*5 
_ 
6-2 
1-7141 
1-6975 
+ 
-0166 
4-5817 
4 5625 
+ -0192 
857 
858 
70 
171 
70 
18'3 
_ 
1-2 
1-6463 
1-6490 
_ 
-0027 
4-5942 
4-6067 
- -0125 
858 
859 
69 
7-0 
69 
131 
_ 
61 
1-7230 
1-7185 
+ 
-0045 
4-5161 
4-5284 
- -0123 
859 
860 
70 
200 
70 
19-3 
. + 
0-7 
1-6464 
1-6485 
— 
-0021 
4-6067 
4-6096 
- -0029 
860 
861 
69 
430 
69 
38-6 
4- 
4-4 
1-6889 
1-6916 
- 
-0027 
4-5697 
4-5591 
+ -0106 
861 
8G2 
68 
50-2 
68 
‘F'i'O 
+ 
5-7 
1-7403 
1-7490 
_ 
-0087 
4-4952 
4-4956 
- -0004 
862 
863 
69 
1-6 
69 
9-8 
_ 
8-2 
1-7299 
1-7235 
-00(i4 
4-5128 
4-5283 
- -0155 
863 
864 
71 
51-6 
70 
5-0 
+ 106-6 
1-5374 
1-6613 
— 
-1239 
4-6927 
4-5851 
+ -1076 
864 
865 
72 
33-8 
70 
5-0 
H- 
148-8 
1-4863 
1-6613 
— 
-1750 
4-7322 
4-5851 
+ -1471 
865 
866 
68 47'5 
68 
5o’5 
_ 
8 0 
1-7484 
1-7382 
d 
-0102 
4-5057 
4-5106 
- -0049 
866 
867 
68 
54'8 
69 
5-2 
_ 
10-4 
1-7360 
1-7283 
+ 
-0077 
4-5020 
4-5228 
- -0208 
867 i 
868 
68 
57-6 
69 
0'5 
2-9 
1-7388 
1-7342 
+ 
-0016 
4-5203 
4-5197 
+ -0006 
868 i 
869 
70 
32-3 
70 
22-0 
10-3 
1-6297 
1-6431 
— 
-0134 
4-6119 
4-6058 
+ -0061 
869 ! 
870a 
69 
1-5 
69 
3-4 
1-9 
• • 
870a j 
8705 
69 
1-0 
69 
3-4 
_ 
2-4 
1-7355 
1-7339 
+ 
-0016 
4-5250 
4-5304 
- -0054 
8706 
871 
69 
41-4 
69 
42-2 
0-8 
1-6937 
1-6900 
+ 
-0037 
4-5763 
4-5695 
+ -0068 
871 1 
872 
69 
22-5 
69 
23-6 
_ 
1-1 
1-7083 
1-7079 
+ 
-0004 
4-5388 
4-5421 
- -0033 
872 i 
873 
68 67-9 
69 
1*5 
- 
3-6 
1-7303 
1-7305 
- 
-0002 
4-4995 
4-5140 
- -0145 
873 1 
874 
68 
466 
68 
54'8 
- 
8-2 
1-7671 
1-7447 
+ 
-0124 
4-5246 
4-5246 
■0000 
874 
1 
875a 
68 
48-9 
68 
54'8 
_ 
’ 5-9 
1 7515 
1-7447 
+ 
-0068 
4-5191 
4-5246 
- -0055 
875(’ j 
8755 
68 
49-7 
68 
54'8 
- 
5*1 
1-7516 
1-7447 
+ 
■0069 
•• 
8756 1 
876 
69 
50-4 
69 
45-3 
5*1 
1-6758 
1-6826 
■0068 
4-5646 
4-5622 
+ -0024 
876 
877 
70 22-9 
70 16-8 
+ 
61 
1-6401 
1-6487 
— 
■0086 
4-6013 
4-5996 
+ -0017 
877 1 
878 
68 
46-6 
68 
46-7 
_ 
01 
1-7443 
1-7473 
— 
■0030 
4-4916 
4-4998 
- -0082 
h78 : 
879 
70 10-4 
69 
56-0 
+ 
14-4 
1-6628 
1-6758 
— 
■0130 
4-6119 
4-5876 
-1- -0243 
879 
880 
68 49-2 
68 
44-6 
H- 
4-6 
1-7436 
1-7487 
— 
■0051 
4-5000 
4-4953 
-004.7 
880 
881 
69 
3-2 
69 
4-7 
- 
1-5 
1-7236 
1-7256 
- 
■0020 
4-.5028 
4-5138 
- -0110 
881 
882 
68 
lO 
CO 
68 40-2 
- 
4-8 
1-7572 
1-7564 
+ 
■0008 
4-4816 
4-4979 
- -0163 
882 
