Extra OBSERVATIONS OF MAGNETOMETERS, FesRUARY 28—Marcu 17, 1845. 
Gott. 
Mean 
Time. 
BALANCE 
Corrected. 
in. |Mic.Div.f 4. 
512-4 
516-6 
522-0 
525-2 
527-2 
571-7 
562-4 
559-2 
559-3 
555-5 
554-7 
559°5 
562-5 
550-3 
551-7 
552-1 
550-0 
547:1 
546-4 
540-3 
545-8 
548-5 
549-4 
546-1 
571-5 
570-3 
571-4 
572-3 
571-7 
571-5 
560-4 
552-6 
549-7 
545-7 
540-3 
537°3 
535-5 
535-4 
536-8 
537-7 
540-2 
539-9 
539-4 
534-7 
529-4 
523-8 
519-7 
517-6 
514-9 
513-6 
516-3 
518-4] 14 0 
520-94 14 1 
522.3 
524-8} 14 2 
DECLINATION. 
25 09-44 
09-35 
08-99 
25 18-63 
20-92 
20-50 
19-37 
25 09-69 
10:09 
11-98 
25 07-57 
09-15 
09-69 
09-96 
BIFILAR 
Corrected. 
BALANCE 
Corrected. 
DECLINATION. 
BIFILAR 
Corrected. 
101 
BALANCE 
Corrected. 
Min. | Se. Div. 
37 | 534-9 
42 | 534-5 
534-8 
| 527-6 
532-8 
530-9 
530-0 
538-9 
540-5 
539-3 
536-2 
537-6 
Min. 
38 
43 
Mic. Diy. 
527-7 
25 04-55 
00-87 
00-80 
02-22 
09-93 
07-04 
06-86 
02:08 
04-07 
05-58 
07-17 
10-67 
08-65 
07-17 
07-04 
06-66 
10:47 
11-49 
10-16 
09-53 
11-48 
13-76 
16-68 
15-41 
14-92 
10-97 
05-02 
02-79 
03-70 
06-32 
07:78 
10-81 
12:58 
12-53 
12-04 
25 04-71 
. | Se. Div. 
528-8 
536-9 
| 538-7 
540-1 
534-0 
532-3 
532-4 
542-8 
546-0 
540-8 
537-9 
539-8 
537-2 
» | Mie. Div, 
604.3 
| 601-0 
| 600-7 
, 600-0 
593-1 
| 581-5 
| 581-7 
| 556-7 
555-0 
553-6 
552-5 
544-5 
| 543-1 
541-0 
| 539-2 
540-1 
| §31-6 
537-5 
540-4 
542-9 
542-0 
529-6 
527-8 
522-4 
527-7 
577-9 
| 579-2 
582-7 
588-3 
592-0 
592-8 
588-2 
586-7 
583-1 
482-0 
477-4 
477-6 
479-5 
486-4 
488-2 
487-7 
485-2 
487-5 
503-3 
507-1 
515-3 
518-9 
522-0 
523-0 
522-8 
517-6 
513-1 
506-6 
508-5 
15 
30 
3 | 551-7 
547-1 
541-1 
Brrinar. k=0-000140. 
BALANCE. 
k=0:000010. 
(1341 and afterwards. Declination reading higher than its mean value ; the magnet was watched, but no change of importance took place. | 
61114. Instruments slightly disturbed. 
MAG. AND MET. OBS. 1845. 
