Observation. 
pyre. 
_ 
CHOODRNONOMW: 
ne 13 
ccooccoeoooo coscooeceeosos coeoeoeccoeososo cosooSseSosceoes coosoeosesceoso SoooeoSeSsoocs 
DartLy OBSERVATIONS OF MAGNETOMETERS, JUNE 7—21. 1843. 
DECLINA- 
TION. 
25 21-95 
25-92 
24-60 
26-75 
29-68 
26-87 
25-85 
23-19 
23-29 
21-29 
19-63 
22-58 
26-35 
28-67 
26-19 
24-75 
24-74 
23-34 
17-07 
19-54 
24-06 
30-79 
33-27 
29-04 
25-83 
26-17 
25-27 
23-09 
23-26 
25-19 
27-83 
31:19 
30-55 
25-27 
25-88 
22-55 
23-24 
18-55 
22-67 
26-62 
32-27 
29-31 
24-60 
26-62 
23-57 
26-15 
25-11 
24-77 
30-55 
34-08 
32-25 
29-51 
28-70 
27-63 
25 
25 
25 
25 
25 
BIFILAR. BALANCE. 
Cor- |Thermo-| Cor- /Thermo- 
rected. | meter. || rected. | meter. 
Se. Div. i Mic. Div. a 
484-6 | 53-7 || 633-7 | 53-7 
489-1 | 54:5 || 642-6 | 54-3 
484-8 | 55-2 | 672-8 | 54-9 
494-5 | 56-0 | 661-9 | 55-5 
496-3 | 56-9 | 642-0 | 56-2 
504-4 | 57-8 || 660-0 | 57-0 
509-8 | 58-0 | 668-3 | 57-3 
512-8 | 57-5 | 680-5 | 57-0 
504-2 | 56-2 || 673-0 | 56-0 
496-1 | 53-1 | 668-2 | 53-1 
492-7 | 53-4 | 674-3 | 53-4 
487-7 | 54-8 || 670-2 | 54-4 
486-5 | 55-6 || 665-6 | 55-0 
498-8 | 56-2 | 659-6 | 55-5 
508-3 | 56-8 || 666-0 | 56-1 
508-8 | 57-2 || 672-6 | 56-5 
509-2 | 56-7 || 672-3 | 56-0 
507-7 | 55-7 || 675-1 | 55-5 
506-1 | 53-2 | 666-6 | 53-2 
518-7 | 53-4 || 655-8 | 53-4 
497-2 | 54-3 | 657-5 | 54-0 
491-4 | 56-0 | 654-0 | 55-5 
505-9 | 58-1 | 656-3 | 57-1 
511-3 | 59-7 | 665-7 | 58-5 
512-3 | 60-8 | 681-5 | 59-5 
522-0 | 61-0 || 682-2 | 60-0 
514-8 | 59-3 || 669-3 | 58-9 
501-9 | 52-7 ||642-9 | 52-6 
496-9 | 52-7 ||655-9 | 52-5 
477-4 | 52-7 | 663-7 | 52-5 
492.2 | 53-5 | 663-8 | 53-0 
500:3 | 54-6 || 684-9 | 54-0 
505-0 | 55-6 || 695-3 | 54-9 
516-1 | 55-4 || 708-3 | 54-8 
519-7 | 54-6 || 700-3 | 54-1 
505-9 | 53-4 || 698-9 | 53-0 
490-2 | 49-9 || 657-5 | 49-8 
485-4 | 49-8 | 674-2 | 49-5 
480-3 | 50-0 || 684-2 | 49-8 
486-3 | 51-0 ||674-S | 50-5 
509-9 | 53-0 | 663-6 | 52-3 
511-2 | 54:3 || 698-2 | 53-2 
492-5 | 54-8 | 731-0 | 54-0 
510-4 | 54-5 || 695-9 | 53-8 
516-9 | 53-5 || 654-2 | 53-0 
499-3 | 50-7 || 685-3 | 50-5 
498-6 | 51-9 | 682-3 | 51-5 
492-9 | 53-4 || 673-6 | 52-8 
495-4 | 56-1 | 658-7 | 55-1 
503-4 | 59-2 || 653-9 | 57-9 
502-7 | 61-8 || 668-0 | 59-8 
511-0 | 63-1 || 689-2 | 61-0 
512-0 | 64-0 || 675-2 | 62-2 
505-9 | 62-6 || 671-5 | 61-5 
Gottingen 
Mean Time of 
Declination 
Observation. 
ad. oh. 
June 14 18 
20 
22 
0 
June 15 
June 16 
June 17 
June 18 
June 19 
June 20 
June 21 
i 
DEcLINA- 
TION. 
25 28-37 
23-21 
24-72 
31-36 
32-60 
30-51 
27-93 
28-64 
27-96 
25 
25 
25 
25 
to 
S 
o 
w 
|| 496-3 
| 484.1 
BIFILAR, 
Thermo- 
meter. 
Cor- 
rected. 
Se. Diy, ° 
494-9 | 56-3 
57-0 
57-9 
486-2 | 60-3 
66-7 
65-7 
| 676-9 
| 670-8 
| 652-1 
13 
BALANCE. 
Thermo- 
meter. 
Cor- 
rected. 
Mie. Div. 
670-0 
677-0 
681-2 
664-6 
657-9 
659-8 
672-4 
672-1 
678-6 
681-7 
699-3 
677-6 
658-3 
628-0 
656-5 
672-5 
677-0 
681-5 
686-0 
690-0 
687-8 
669-9 
666-6 
685-0 
679-5 
674-6 
667-3 
682-8 
683-8 
683-8 
666-5 
654-4 
670-0 
674-5 
678-1 
678-6 
664-4 
56-3 
56-6 
57:5 
59-5 
62-0 
674:5 
664-8 
636-3 
642-9 
656-9 
662-3 
666-2 
665-8 
675-4 
651-8 
658-5 
665-7 
665-5 
668-0 
BIFILAR 
=0-0001205, 
DEcLINATION. Torsion removed, circle reading,—June 84 2h, 267°, 278° ;* 164 
BALANCE. 
2b, 118°;+ 16¢ 3b, 48°; 184 234, 77°; 214 gh, 
k=0:000015 approximately. 
. 
MAG. AND MET. oss. 1843, 
'*June 81 2h, When two readings of the torsion circle are given at the same date, the last is the result of a second trial. 
June 164 2h. Three fibres of the suspension thread of the Declinometer found broken ; torsion eliminated as above; the three fibres 
then withdrawn, and the torsion again removed before 4". 
