Horizontal Component of Magnetic Foece, 1845. 
11 
TABLE XVIII. — Mean Values of the Variations of the Horizontal Component of Magnetic Force, 
the whole Horizontal Component being Unity, for each Civil Week-Day and Week of 1845. 
CivU 
Day. 
Jan. 
Feb. 
March. 
April. 
May. 
June. 
July. 
Aug. 
Sept. 
Oct. 
Nov. 
Dec. 
O'OO 
0*00 
0*00 
O'OO 
■■ 
O'OO 
- 
0*00 
1 
4476 
4890 
4756 
5030 
4479 
[5555] 
5503 
5999 
4997 
5V67 
5061 
6035 
2 
4831 
[4903] 
[5031] 
5306 
4827 
5629 
5638 
5296 
4423 
5426 
[5548] 
6048 
3 
5184 
5141 
5158 
5114 
4882 
5471 
5607 
[5364] 
4876 
5194 
5456 
6497 
4 
5307 
5096 
5352 
5025 
[49271 
5792 
5897 
4980 
4759 
5405 
5407 
3591 
5 
[5368] 
5193 
5326 
5034 
5134 
5593 
5880 
5107 
5118 
[5492] 
5365 
5053 
6 
5573 
4385 
5327 
[5144] 
L J 
5083 
5748 
[5701] 
5120 
5005 
5610 
5828 
5412 
7 
5645 
4984 
5523 
5249 
5155 
5809 
5824 
5383 
[5028] 
5618 
5404 
[5359] 
8 
5669 
4987 
5279 
5067 
5429 
[5772] 
5677 
5103 
4739 
5701 
5782 
5743 
9 
4095 
[4938] 
[5248] 
5373 
5468 
5699 
5320 
5300 
5127 
5389 
[5841] 
6160 
10 
3605 
5005 
5030 
5433 
5436 
6199 
5477 
[54241 
5422 
4445 
5996 
6278 
11 
4970 
5086 
5005 
5260 
[55201 
5586 
5438 
5352 
5372 
5193 
6023 
6334 
12 
[4686] 
5179 
5324 
5506 
5610 
5100 
5768 
5341 
5347 
[5330] 
6014 
5996 
13 
4812 
5366 
5162 
[4625] 
5625 
4999 
[5682] 
6063 
5268 
5695 
6187 
5106 
14 
5309 
5314 
5082 
2008 
5552 
5449 
5790 
5886 
[5340] 
5663 
6238 
[5707] 
15 
5327 
5317 
4957 
4714 
5460 
[5322] 
5880 
5685 
5218 
5597 
6311 
5564 
16 
5166 
[5367] 
[4981] 
4829 
5432 
5586 
5739 
5390 
5501 
5256 
[5841] 
5670 
17 
5383 
5383 
4833 
4784 
5449 
5456 
5771 
[54671 
5334 
5646 
5460 
5575 
18 
5230 
5365 
5113 
5124 
[5320] 
5340 
5566 
4932 
4763 
5737 
5309 
5600 
19 
[4971] 
5456 
4742 
5019 
4789 
5744 
5853 
5390 
4761 
[53161 
L J 
5544 
6065 
20 
3602 
5904 
4803 
[4831] 
5548 
5853 
[5669] 
5517 
4719 
5762 
5897 
6289 
21 
5198 
4718 
4847 
4332 
5244 
5663 
5373 
5375 
[5243] 
4585 
5912 
[6209] 
22 
5247 
4663 
4803 
4567 
5404 
r57741 
5502 
5806 
5356 
4908 
5998 
6486 
23 
5019 
[4762] 
[4707] 
5158 
5569 
5719 
5947 
5516 
5632 
5412 
[6165] 
6506 
4.^ 1 9 
471 Q 
o^yj i 
0 / DU 
JoUi/ 
uo uu 
25 
4883 
4479 
4186 
4960 
[5520] 
5905 
4326 
5670 
4704 
5144 
6558 
6481 
26 
[4955] 
4498 
4886 
5054 
5470 
5401 
5109 
5947 
4556 
[5566] 
6632 
6525 
27 
5039 
4886 
4416 
[4866] 
5715 
5986 
[5221] 
4942 
4700 
5697 
6579 
6213 
28 
5033 
4708 
5004 
4305 
5933 
5705 
5222 
5403 
[4869] 
6052 
5810 
[6163] 
29 
5121 
4917 
4452 
5902 
[5691] 
5201 
5842 
4904 
5695 
5498 
6244 
30 
4542 
[4971] 
5022 
5638 
5912 
5601 
4246 
5183 
6062 
[6068] 
5897 
31 
4557 
5156 
4900 
5683 
[4964] 
5940 
5617 
TABLE XIX. — Mean Variations of the Horizontal Component of Magnetic Force, after eliminat- 
ing the Secular Change, with reference to the Moon's Age, Declination, and Distance from the 
Earth, for 1845. 
Variations 
Variations 
After 
Variations 
After 
Variations 
Before 
Variations 
Before 
Variations 
Moon's 
of Hori- 
Moon's 
of Hori- 
Moon 
of Hori- 
Moon 
of Hori- 
and 
of Hori- 
and 
of Hori- 
Age. 
zontal 
Age. 
zontal 
farthest 
zontal 
farthest 
zontal 
after 
zontal 
after 
zontal 
Component. 
Component. 
North. 
Component. 
North. 
Component. 
Perigee. 
Component. 
Apogee. 
Component. 
Day. 
0-00 
Diiy. 
0-00 
Dav. 
0-00 
Day. 
0-00 
Day. 
0-i)0 
Day. 
0-00 
15 
0241 
0 
0311 
6 
0441 
14 
0497 
7 
0209 
7 
0377 
16 
0256 
1 
0239 
1 
0381 
15 
0503 
6 
0321 
6 
0186 
17 
0231 
2 
0111 
2 
0443 
16 
0510 
5 
0241 
5 
0416 
18 
0164 
3 
0265 
3 
0209 
17 
0329 
4 
0315 
4 
0393 
19 
0200 
4 
0370 
4 
0312 
18 
0000 
3 
0177 
3 
0305 
20 
0214 
5 
0135 
5 
0249 
19 
0310 
2 
0289 
2 
0437 
21 
0118 
6 
0291 
6 
0227 
20 
0339 
1 
0423 
1 
0344 
22 
0230 
7 
0246 
7 
0150 
21 
0394 
P 
0482 
A 
0391 
23 
0336 
8 
0000 
8 
0213 
22 
0426 
1 
0424 
1 
0230 
24 
0217 
9 
0260 
9 
0286 
23 
0370 
2 
0167 
2 
0095 
25 
0199 
10 
0399 
10 
0258 
24 
0429 
3 
0000 
3 
0253 
26 
0431 
11 
0367 
11 
0.391 
25 
0496 
4 
0227 
4 
0370 
27 
0370 
12 
0294 
12 
0332 
26 
0486 
5 
0358 
5 
0171 
28 
0409 
13 
0346 
13 
0331 
27 
0464 
6 
0311 
6 
0255 
29 
0372 
14 
0350 
7 
0234 
7 
0294 
