EXTRA OBSERVATIONS OF MAGNETOMETERS, FEBRUARY 14—24. 1843. 51 
| 
DECLINATION. || BIFILAR. BALANCE. DECLINATION. BIFILAR, BALANCE. 
ee rgen |Mtin.| penging | Min.| Reading | Min.| Reading srottingen latin Reading | Min.| Reading | Min.| Reading 
ia 5 of | Reduced. || of Cor- of Cor- i ofl pedueed:, || 208 Cor- of | Cor- 
Obs. " ||Obs.| rected. || Obs.| rected. Obs. Obs.| rected. || Obs.| rected. 
Pa fete || mi ie ¢ | m. | Se.Div. |] m. | Mic. Div. doen pene |e 4 m. | Se.Div. || m. | Mie. Div. 
Beb. 14 10 1 522-9 2) 756-9 | Feb. 24 4 || 55 | 25 41-41] 57 547-7 || 58 796-1 
j. 4 | 25 22-08) 6 524-2 7 | 759-3 | Feb. 24 5 0 42-10| 2] 546-0 3 798-3 
— = =! | 5 41-12) 7] 539-2 | 8 | 800-5 
feb. 16 6 0 | 25 27-34] 2 542-0 3 | 756-1 10 40-73 || 12 537-9 
Feb. 16 7 | 40 10-48 || 42 549-7 || 43 769-4 15 40-73 | 17 540-6 || 18 803-0 
' 45 12-36 || 47 548-3 || 48 771-7 20 41-18 || 22 533-0 | 
}. 50 13-25 || 52 542-8 || 53 770-5 25 40-77 || 27 530-5 | 28 811-2 
F 55 12:40 || 57 544-5 || 58 768-0 30 38-15] 32 | 527-1 || 33 819-4 
eb. 16 8 0 14:06 |) 2 543-8 3 767-8 35 36-63 | 37 528-4 || 38 827-5 
5 17-44|| 7 536-7 8 769-8 40 34-73 || 42 531-2 || 43 837-0 
10 18-41 || 12 531-2 || 13 769-3 45 33-34] 47 | 533-1 || 48 853-0 
15 17-34 | 17 529-8 || 18 769-0 50 31-94 | 52 530-6 || 53 867-2 
| 20 17-27 || 22 536:8 || 23 765-2 55 30-68 | 57 534-0 || 58 870-7 
25 18:15] 27 | 534-3 | 28 | 766-8 | Feb. 24 6 0 30-62) 2 528-9 3 878-6 
30 17-74 || 32 535-1 | 33 766-6 5 28-20|| 7 526-3 8 879-3 
q 35 17-51) 37 | 536-0 | 38 | 761-4 10 24-37 || 12 532-6 | 13 876-7 
eb. 16 10 0 23-19|| 2 537-8 | 3 | 760-6 15 22-67 || 17 536-6 | 18 | 872-0 
7 h 20 21-88 | 22 538-5 || 23 873-3 
eb. 23 18 0 | 25 21-24|) 2 544.1 | 3 725-2 25 21-44 || 27 534-4 || 28 876-8 
3 50 21-17 || 52 543-9 || 53 727-5 30 22-49 || 32 531-3 || 33 885-0 
23 20 0 21-51 2 543-9 3 723-0 35 22-22 || 37 527-3 || 38 §89-2 
23 22 9 27-38 || 2 528-7 3 725:8 40 20-14) 42 532-4 || 43 881-1 
24 0 0 32-27, 2 539-1 3 727-8 45 19-20 || 47 537-9 || 48 871-7 
24 1 | 35 34-21 || 37 538-6 || 38 731-8 50 21-59] 52 537-9 || 53 870-6 
24 2 0 34-68 | 2 538-6 3 735-9 55 23-29 || 57 | 541-7 || 58 873-6 
10 36-67 | 12 540-7 || 13 738-7 | Feb. 24 7 0 24-:78|| 2 545-3 3 867-7 
15 36-95 5 28-08) 7 544-5 8 868-2 
25 38-62 | 27 536-4 || 28 742.8 10 32-72 || 12 532-8 | 13 886-7 
30 38-75 || 32 535-1 || 33 745-0 15 30-42 || 17 533-5 | 18 896-1 
35 38-72 | 37 531-4 | 38 746-5 20 30-02 | 22 533-5 || 23 911-2 
40 38-01 | 42 531-7 || 43 746-9 25 27-58 || 27 532-2 || 28 905-6 
i 45 38-18 | 47 534-5 | 48 749-2 30 26-40 || 32 530-5 || 33 899.7 
eb. 24 3 0 40-33) 2 536-8 3 751-9 35 26-66 || 37 531-2 | 38 891-8 
i 5 40-68 || 7 540-6 8 753-5 40 27-58 || 42 515-8 | 43 897-8 
10 41-61 || 12 541-3 | 13 756-6 45 24-82 | 47 528-9 || 48 901-4 
15 42-95 || 17 543-5 || 18 757-4 50 28-15 || 52 527-0 || 53 894-7 
20 43-09 | 22 539-2 || 23 764-1 55 27-38 || 57 529-3 || 58 889-6 
25 42.43 | 27 539-9 | 28 768-9 | Feb. 24 8 0 26:79) 2 523-5 3 887-8 
by 30 41-86 || 32 544-0 || 33 771-5 5 22-79] 7 527-1 8 878-1 
> ' 35 42-65 || 37 544-0 | 38 | 775-8 10 22-05 || 12 526-1 13 866-0 
40 42-53 || 42 544-1 || 43 780-8 ; 15 23-06 || 17 §21-4 | 18 856-4 
45 41-02 | 47 546-4 | 48 782-4 20 22-25 || 22 519-8 | 23 855-9 
50 41-04 | 52 550-4 || 53 785-4 25 20-10 || 27 519-1 || 28 | 853-5 
_ 55 41-39] 57 | 537-9 | 58 791-1 30 19-84 || 32 522-4 || 33 850-1 
Db. 24 4 0 43-60 2 535-2 3 794-1 35 19-68 || 37 521-0 || 38 850-0 
\ 5 43-68 | 7 530-4 8 796-6 40 19-07 || 42 521-0 || 43 845-5 
10 42-08 | 12 525-2 || 13 798-0 45 18-08 | 47 524-9 || 48 833-9 
15 41-00 | 17 525-8 | 18 795-5 50 17-98 || 52 526-0 || 53 837-6 
20 40-33 | 22 527-1 || 23 | 794-3 55 18-26 || 57 | 528-9 || 58 830-7 
25 38-01 || 27 534-0 || 28 792-1 | Feb. 24 9 0 18-18] 2 531-8 3 826-2 
30 38-18 || 32 537-9 || 33 791-5 5 19-61) 7 532.6 | 8 821-2 
35 37-81 || 37 | 546-5 || 38 | 789-8 10 21-84] 12 529-3 || 13 816-2 
40 38.75 || 42 | 554-4 | 43 789-9 15 23-16 || 17 525-9 || 18 811-1 
45 40-65 | 47 558-7 || 48 791-6 20 22-25 | 22 523-7 || 23 813-3 
50 40-64 | 52 541-0 || 53 794-5 25 21-89 || 27 525-7 || 28 807-7 
Birirar. k=0 0001248. BaLancE. k=0:000015 approximately. 
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