70 EXTRA OBSERVATIONS OF MAGNETOMETERS, OcTOBER 26—DECEMBER 8. 1843. a 
DECLINATION. BIriLaR. BALANCE. DECLINATION, BIFILAR. BALANCE, 
Menge, |Min.| Rending |Min.| Reading |) min.| Reading } yfeanitme.’ |(Min-| Reaaing |Min.| Reading | Min, Reading 
o Reduced. of Cor- of Cor- ofS "Reduced. of Cor- of Cor- 
Obs, Obs.| rected. || Obs.| rected. Obs. Obs.| rected. ||Obs.| rected. \ 
d. h. m. ° % m. Se. Div. m. Mie. Div. dad. h. m. eS x m. Se. Div. m. Mic. Divel 
Oct. 26 6 || 56 | 25 5-63] Nov. 2 11 | 20 | 25 14-15/| 22 480-0 || 23 784-4 
Oct. 26 7 0 9-89]; 2 531-9 3 876-7 25 15-14 | 27 476-9 | 28 775-5 
5 16:03 || 7 524-5 8 873-9 30 13-08 | 32 504-0 | 33 |, 762-0 
10 18-84) 12 522-7 13 867-3 35 11-76 || 37 515-0 | 38 743-6 | 
20 22-80 | 22 504-8 || 23 864-5 40 15-16) 42 514-2 || 43 738-8 — 
25 20-81 || 27 498-4 || 28 864-9 45 17-20 || 47 496-8 || 48 729.4 — 
30 19-80 || 32 498-7 || 33 866-2 50 17-71 || 52 492-5 53 731-4 
35 19-24 | 37 499-3 || 38 868-4 55 16-53 || 57 491-1 58 735-7 | 
40 18-45 | 42 502-5 || 43 867-5 | Nov. 2 12 0 14-46 || 2 491-0 3 737-1 
Oct. 26 8 0 20-34) 2 508-3 3 861-7 5 12-68 || 7 492-9 8 726-2 — 
Oct; °26 «9 | 55 0-67 | 57 505-2 58 835-4 = 
Oct. 26 10 0 1-14] 2 507-2 3 834-1 | Nov. 2 22 0 | 25 21-10)) 2 498-0 3 825-5 — 
5 2-25] 7 506-4 8 835-5 15 22-25 || 17 496-8 18 827-1 
| 10 3-68 || 12 505-0 13 836-3 | Nov. 2 23 0 24-94) 2 495-0 3 821-2 | 
15 4-93 || 17 505-0 18 835-2 | Nov. 3 0 0 26-45 2 493-5 3 837-7 | 
20 5-94 || 22 508-7 || 23 833-0 | Nov. 3 1 0 27-61 2 503-6 3 854-8 
25 6-89| 27 | 507-2 | 28 | 830-7 | Nov. 3 2 0 25-51|| 2] 503-7 3 | 859-6 
30 7-53 || 32 509-8 33 “rp Nov. 3 6 0 21-28] 2 514-4 3 840-8 
35 8-46 || 37 511-8 38 826-6 | Nov. 3 7 | 30 17-20 || 32 508-0 
40 9-32 || 42 511-6 || 43 824-1 | Nov. 3 8 0 13-71 2 517-6 3 836-5 
45 9-94 || 47 512-7 || 48 818-7 10 15-74 || 12 514:5 13 828-8 
50 10-06 | 52 512-1 53 815-5 | Nov. 3 10 0 21-05 || 2 510-2 3 832-6 
—— —- -—— 10 20-84 4 
Oct. 27 0 0 | 25 25-90)) 2 493-9 3 850-1 
Oct) «27, 4101) 10 22-08 || 12 488-5 13 866-4 | Nov. 13 8 0 | 25 15-30] 2 502-6 
Oct. 27 2 0 24:17|| 2 515-1 3 857-8 10 10-57 || 12 497-9 
—— | 15 8-86 || 17 507-6 
Oct. 30 10 0 | 25 17-76|| 2 507-3 3 854-1 20 10-76 || 22 504-3 
10 19-10 | 12 517-7 13 853-9 45 9-73 | 47 501-9 ’ 
Nov. 13 10 0 16-87 || 2 504-1 3 805-0 
Oct. 31 6 0 | 25 18-86] 2 513-8 3 846-2 = =: 
Oct. 31 7 || 55 12-00 | 57 525-3 58 822-8 | Nov. 16 10 0 | 25 15-19] 2 504:5 3 882-3 
Oct. 31 8 0 12:27] 2 525-2 3 823-0 15 16-53 7 
10 15-36 || 12 520-3 13 ” il > 
15 15-66 | 17 515-6 18 822-6 | Dec. 1 10 0 | 25 10-31 2 507-9 3 868-1 
| 20 15-19 || 22 514-5 23 ” 10 12-40 || 12 507-6 13 867-6 
30 15-64 | 32 510-0 || 33 ” 25 13-95 || 27 508-4 || 28 866-0 
Oct. 31 10 | 0 17-88 || 2] 509-3 36244 ee = = 4 
10 16-06 | 12 510-6 13 833-5 | Dec. 6 8 0 | 25 19-37]| 2 511-8 3 852-0 | 
Se | 8 506-7 bY 
Nov. 2 10 0 | 25 17-07|| 2 511-6 || 3 830-2 10 10-80 || 12 512-5 13 851-1 
10 13-30 | 12 505-3 13 833-1 15 10-09 | 17 515-5 18 854-1 
15 12-67 | 17 504-7 18 830-3 20 10-75 || 22 516-6 || 23 855 
20 8-84 || 22 502-8 || 23 831-8 25 11-98 || 27 515-6 || 28 853-5) 
25 6-37 || 27 499-8 || 28 830-3 30 14-11 || 32 513-5 33 860-1 
30 4-75 || 32 505-8 33 825-2 | Dec. 6 10 0 19-15] 2 502-2 3 850-2 
35 2-98 || 37 513-8 || 38 819-7 | Dec. 6 11 || 25 11-22 || 27 513-1 28 8178 
40 4-22 || 42 516-9 || 43 816-5 30 11-76 j 
45 5-78 | 47 514-6 || 48 811.9 | Dec. 6 12 | 20 15-05 ; 
50 6-30) 52 510-4 || 53 806-3 | = 
55 6-23 || 57 505-5 || 58 800-2 | Dec. 8 6 0 | 25 25-14|) 2 510-6#| 3 874-8 
Nov. 2 11 0 6-27], 2 502-5 3 793-5 10 25-27 || 12 504-8 13 889-5 
5 7:42|| 7 502-9 8 788-3 15 24-58 || 17 5048 18 895-6 
10 10-77 || 12 494-7 13 788-8 20 24-80 || 22 502-4 || 23 902-3 
15 13-00 | 17 481-1 18 790-8 25 23-39 || 27 501-1 28 898-1 
Birmar. Before Nov. 104, s=0-0001205 ; after Nov. 104, k=0-0001300. 
BaLance. Before Noy. 134, k=0:000013 approximately ; after Nov. 134, k=0-000014 approximately. 
42°] 
49°°5" 
49°°3 | 
49°53 
45°-0, 
44°-5 
A4eA 
44°-9 
BIFILAR THERMOMETER. 
a qb a 12h 1142 
BALANCE Teaieowaroe i { Saye ain { aia | saiaibaidians S 7 { 
Oct. 264 9% 50™, Aurorain the form of a low arch, 8° high, stretching from NW to N. At10»0™it was fainter. No aurora was visible at 9! 
Oct. 262 10" 55™, Aurora imperceptible ; the north is partially covered with clouds. 
Nov. 24 10" 30m, Milky like to N.; perhaps auroral light, but doubtful on account of moonlight. oe 
Noy. 1348, The Balance Magnetometer not in adjustment. An auroral light to N. like the reflection of a great fire as seen below 
thick mass of clouds. | 
