54 Extra OBSERVATIONS OF MAGNETOMETERS, Marcu 7—12. 1843. 
1 
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DECLINATION. BIFILAR. BALANCE, DECLINATION. BIFILAR. 
Gottingen ‘ Re ea i etueen | ing | 
Weanninc: ‘| Reading | Min. eee f id Mean Time. Mpa Reading | ae 
ae = | Reduced. | Ceety 
Reduced. | oases | Obs. rected. || Obs. "3 | -| rected. 
| pane’ Arete 4 
d. h. eas : . Div. 5 dh, : Be | m. Se. Div. 
ow 25 39-46 a7 4 Mar. 7 8 | 25 24-13 | 527-8 
38-18 | 549-6 25-14) 528-0 
36-65 || 548-6 | 25-09 | 528-5 
36-70 | | 548-4 25.27 529-1 
34-65 | 543-9 | 34. 5 26-03 526-8 
31-09 551-0 | . 26-13 | 524.7 
31:73 560-7 | . 25-05 528-0 
32-75 551-2 : 25-31 | 529-3 
32517 543-9 | : 26-52 523-5 
33.67 547-2 : 26-19 | 522-3 
35-32 555-9 . 25-52 527-7 
36-13 546-7 : 531-2 
32.38 545-2 : . 25-83 528-6 
29.24 543-7 
24.40 536-2 . 5 25-73 540-5 
18-72 || 9 540-4 : 25-76 542.7 
16-15 549-4 : 24.20 526-8 
20-16 548-8 | : 22.89 524-0 
24.03 548-0 | : 22.69 529-2 
30-03 527-5 . Y 21-91 523-1 
17-18 547-6 : 22-11 534-8 
20.40 551-1 . : 25-92 533-9 
27.06 550-9 
29.80 546-8 | : : 24-74 | 
31.59 540-9 : 21-10 
26.46 553-8 . 24.42 
31.64 549-7 : 24.96 
29.95 551-9 . : 21-61) 
35.27 545-5 . 23-07 
32.38 | 39 539-5 | 
30.07 550-3 . : 21-51 
31.38 541-2 E 17-94 
28-01 548-5 . 17-85 
29.75 550-4 : : 17-14 
30.20 | 553-7 5 16-75 | 
31-59 548-3 17-22 
29.66 541-9 | 18.05 | 
26.55 551-4 i 17-38 | 
28.64 545-7 : 15-90 | 32 
27.93 548-2 : 14-48 | 
29.65 555-3 |) : 13-81 
33-31 551-7 oo" 14.98 
32.05 550-7 3 Mar. 17-69 | 
32.13 555-9 , 19-81 
34.28 548-6 
37.14 538-9 
38.82 520-6 H Mar. 12 26-00 
32.40 | 513-5 : Mar. 12 25-00 |) 
24.24 | 510-7 : 45-00. 
18-08 512-6 : 7 | Mar. 12 18-00 
15-56 | 523-3 
18-66 | 526-4 -1 | Mar. 12 
22.00 | 524.4 4 20-13 | 
23-37 | 522-8 4 Mar. 12 23-50 
23-23 | 526-5 | ‘ 25-61 | 
Brriuar. k=0-0001248. BaLancE. k=0-000015 approximately. 
BIFILAR THERMOMETER. \ March 122 13, { 51°3 
BALANCE THERMOMETER. Cay 
March 74 8». Auroral arch spanning 90° of horizon ; altitude of apex in the magnetic meridian 10°; breadth of the belt 8°; no pencils 
visible. : i 
March 124 55 30™, (Sunday.) A slight disturbance was observed, and a few observations, given above, were made; it was noted th 
the disturbance had increased very much at 75; continuous observations were commenced on Monday morning. 
March 124135, Faint auroral light; stronger four hours ago. 
