EXTRA OBSERVATIONS OF MAGNETOMETERS, Marcu 6—7. 1843. 53 
DECLINATION. BIFILAR. BALANCE. DECLINATION. BIFILAR. BALANCE, 
Min.| Reading | Min.| Reading | Min.| Reading gottingen | Min, Reading | Min.) Reading | Min.) Reading 
of | Reduced. of Cor- of Cor- Chal reduced. | 0% Cor- of Cor- 
Obs. Obs.| rected. |/Obs.| rected. Obs. Obs.| rected. || Obs.| rected. 
masty|ue m. | Sc.Div. || m, | Mie. Diy. tier fel rmeanl are | m. | Se.Div. || m. | Mie. Div. 
10 | 25 13-95] 12 | 521-2 | 13 | 702-7 | Mar. 6 17 5 | 25 23-59) 7) 517-1 8 | 580-6 
15 14.48 17 | 521-7 | 18 | 702-3 10 21-84] 12 | 521-7 | 13 | 587-5 
30 18-13) 32) 515-3 | 33 | 704-5 15 19-89] 17 | 522-9 | 18) 595-9 
42) 507-0 | 43 | 685-3 20 18-68 | 22 | 521-9 || 23 | 601-7 
45 24:80 47 | 505-6 | 48 | 663-9 25 17-11] 27 | 521-6 | 28 | 608-9 
50 27-46 || 52 | 505-1 | 53 | 640-4 30 16-91] 32 | 518-4 | 33 | 617-6 
55 27-16 || 57 | 522-9 | 58) 636-1 35 16-85] 37 | 517-2 | 38 | 625-6 
0 26:01) 2) 525-5 3 | 635-5 40 17-20] 42 | 519-6 | 43 | 635-6 
5 26-:19|| 7 | 518-5 8 | 632-1 45 17:07 || 47 | 521-9 || 48 | 647-7 
10 25-43 || 12 | 509-6 | 13 | 620-3 50 17-45 || 52 | 526-1 || 53 | . 654-7 
15 23-70) 17 | 503-4 | 18 | 617-2 55 17-98 || 57 | 526-7 4] 58 | 659-5 
20 19-87 || 22 | 506-5 || 23 | 623.0 | Mar. 618] 0 17-61) 2) 525-4 3 | 661-6 
25 16-40 || 27 | 521-6 || 28) 626.8 5 16-67|| 7 | 528-8 8 | 663-8 
33 | 563-8 10 16-84] 12 | 528-5 | 13] 668.4 
35 25-22 37 | 550-1 | 38 | 645-0 15 17-20] 17 | 528-3 || 18 | 671-3 
40 33-49 | 42 | 543-4 || 43 | 639-1 20 17-71| 22 | 527-7 || 23 | 670-5 
45 32-65 | 47 | 532-1 | 48 | 637-8 25 17:72 27 | 529-2 | 28 | 672.8 
50 29-75 || 52 | 526-1 | 53 | 641-8 30 18-65 | 32 | 530-3 | 33 | 674-6 
55 20-54 || 57 | 534-1 | 58] 651-4 35 19-87 37 | 527-8 || 38 | -677-.4 
‘Mar. 6 14] 0 12-16) 2) 540-9 3 | 659-8 40 20-58 42 | 526-5 | 43 | 684.4 
' 5 8-43|| 7 | 546-4 8 | 658-3 45 21-51] 47 | 527.9 | 48 | 688-0 
} 10 7-58 12 | 548-5 | 13 | 652-1 50 22-77 || 52 | 521-7 | 53 | 690-0 
| 15 9-67] 17 | 540-5 | 18 | 648-2 55 23-12|| 57 | 526-5 || 58 | 692.2 
1% 20 11-02 22 | 537-3 | 23 | 650-9 | Mar. 619] 0 23-04|/ 2| 528-3 3 | 697-0 
i@ 25 11:98 | 27 | 536-0 | 28 | 645-7 5 23-86 || 7 | 527-7 8 | 700-9 
i 30 14:58 | 32 | 531-9 | 33 | 638-6 10 24.74|/ 12 | 525-1 || 13 | 703-7 
| & 35 15-52|| 37 | 526-7 | 38 | 633-2 15 24-531 17 | 526-1 | 18 | 705-3 
H 40 15-25 42 | 523-9 | 43 | 630-3 20 24-60 22 | 527-8 | 23 | 705-6 
ie 45 14:29] 47 | 519-8 | 48 | 622-7 25 24.40) 27 | 530-9 | 28 | 705-7 
50 12:16) 52 | 519-8 | 53 | 617-8 30 24-30 || 32 | 532.6 || 33 | 702-8 
55 11:15] 57 | 516-3 | 58 | 614-4 50 25-75 || 52 | 531-7 | 53 | 702-0 
ar. 6 15 0 9:82) 2] 516-5 3 | 613-9 55 26-01 || 57 | 530-2 || 58 | 703-7 
i 5 9:74 7 | 514-4 8 | 614-7 | Mar. 6 20] 0 25-90) 2] 530-5 3 | 705-4 
10 9-81] 12] 513-9 | 13 | 616-6 25 23-53 || 27 | 528-5 || 28 | 712.5 
15 10-52], 17 | 513-0 | 18 | 619-9 30 23-16] 32 | 529-3 || 33 | 714-1 
20 11-19] 22 |, 512-2 | 23 | 621-5 40 22-03 | 42 | 531-5 | 43 | 715-2 
25 11-80) 27 | 515-0 | 28 | 626-9 50 21-91) 52 | 532-9 || 53 | 717-5 
| 30 13-10} 32 | 512-3 | 33 | 629-7 | Mar. 6 21 0 22:00} 2] 531-8 3 | 718-8 
} 35 13-79 || 37 | 513-7 | 38 | 630-1 20 22-08 | 22} 527-6 || 23 | 721-1 
| 40 14-01] 42 | 515-8 | 43 | 631-4 25 21-79|| 27 | 528-8 || 28 | 722-0 
| 45 13-15) 47 | 515-8 | 48 | 632-1 30 23-14 | 32 | 528-9 || 33 | 724.0 
\@ 50 13-24 50 23-93 | 52 | 528-6 | 53 | 721-3 
ar. 6 16 || O 14-45] 2) 514-5 3 | 634-5 | Mar. 6 22 0 24.22] 2] 527-7 3) 721-1 
‘ 5 15-76) 7 | 511-6 8 | 632-8 | Mar. 6 23 5 28-59|| 7 | 514-3 8 | 737-5 
: 10 16:53 || 12 | 509-2 | 13 | 627-4 10 28-7212 | 513-4 | 13 | 737-8 
15 18-52] 17 | 508-5 | 18 | 622-3 20 29-31) 22 | 518-2 || 23 | 737.8 
20 20:16 22 | 504-2 | 23 | 619-3 30 30-40 || 32 | 514-8 || 33-| 737-8 
25 22-38 27 | 503-0 || 28 | 614-4 40 29-78 | 42 | 517-8 || 43 | 737-8 
30 23-39 32 | 501-9 | 33 | 604-8 
35 24-29) 37 | 494-5 | 38 | 605-7 | Mar. 7 0 0 | 25 30-:05|| 2) 521-5 3| 739-7 
40 27-90 42 | 495-0 | 43] 607-2 | Mar. 7 1 | 20 35-35 
45 31-14 47 | 502-6 | 48) 597-6 | Mar. 7 2] 0 31-33 | 2| 536-4 3} 759-5 
50 30-32 | 52 | 503-8 | 53 | 584-1 35 33-9237 | 530-6 | 38 | 765-9 
) 55 27-94| 57 | 507-6 | 58 | 583-0 | Mar. 7 3 | 40 36-70] 42 | 5384 | 43 | 791-2 
617) O 25-56 || 2] 511-5 3 | 579-2 45 * 35-53 | 47 | 539-5 | 48 | 792.2 
Birivar. k=0:0001248. BALANCE. k=0:000015 approximately. 
LAR THERMOMETER. 56°0 55°°5 55°1 55°11 557-2 55°-6 
cE Baecwoweras, | pe { 57%5 > 6° 15), { 57°55 GF 16%, { 57743 62 178, { 5763 6 18%, { eero? Bens { 58°07 
64 20h, { or 
March 6414», Auroral light seen through the clouds to NNW. 
! G. AND MET. OBS. 1843. 
