22 DAILy OBSERVATIONS OF MAGNETOMETERS, OcTOBER 11—25. 1843. 
Gottingen BIFILAR. BALANCE. Gottingen BIFiILar. BALANcr, 
Mean Time of Deciina- | ||_—__—_|_ Mean Time of DeEcLiINA- |}—_—_————_ | 
Declination TION. Cor- |Thermo-|| Cor- |Thermo- Declination TION. Cor- |Thermo-|| Cor- |Thermo4 
Observation. rected. | meter. || rected. | meter. Observation. rected. | meter. || rected. | meter, |) 
da oh m 2 A Se. Div. i Mie. Diy. 5 aa et Am, or) Se. Div. ° Mie. Diy. ° i 
Oct. 11 18 0|| 25 22-08 | 510-5 | 43-3 || 819-2 | 43-8 | Oct. 18 18 O}| 25 16-89 || 514-2 | 53-6 || 754-6 
20 0 20-82 || 507-5 | 43-2 ||818-9 | 43-5 20 O 16-43 514-5 | 53-4 || 794.0 
22 0 20-52 ||496-4 | 43-1 || 819-4 | 43-5 22% 0 17-88 || 500-3 | 52-0 || 820-2 
Oct. 12! 0 0 26-84 |500-7 | 43-8 || 805-5 | 44-0 | Oct. 19 0 O 22-65 ||503-8 | 53-7 || 805-8 
2 0 28-17 | 506-8 | 44-9 || 813-0 | 44-7 2 0 24-53 ||516-0 | 56-0 || 786-9 
4 0 23-79 ||513-2 | 46-1 || 825-4 | 45-5 4 0 22-08 || 518-8 | 58-3 || 792-9 
6 0 23-23 | 515-6 | 47-0 ||814-9 | 46-0 G20 18-12 || 512-8 | 58-6 | 813-0 
8 0 22.22 |515-4 | 45-9 ||813-7 | 45-5 8 0 19-71 || 512-3 | 58-1 || 816-2 
10 O 19-56 || 510-8 | 44-0 ||802-1 | 44-4 10 0 15-69 ||516-8 | 56-8 ||813-8 
18 0|| 25 20-70 ||508-1 | 37-7 || 820-8 | 38-9 18 O|| 25 17-98 ||497-1 | 47-7 || 759-3 
20 0 20-50 || 504-3 | 36-9 || 826-0 | 38-0 20 0 18-59 ||495-8 | 46-9 || 807-5 
22 0 21-24 ||499-5 | 37-1 || 826-8 | 38-0 22 0 19-72 || 490-3 | 46-9 || 826-0 
Oct. 13 0 0 28-32 || 500-6 | 39-1 || 821-0 | 39-5 | Oct. 20 0 O 25-95 ||497-2 | 47-8 || 837-4 
Br30 30-13 || 513-5 | 42-0 || 835-5 | 41-5 2eLO 25-10 ||511-0 | 49-0 || 836-1 
4 0 27-20 ||514-6 | 43-7 || 865-5 | 43-0 4 0 23-40 ||513-8 | 49-7 || 838-2 
6 0 23-50 || 513-7 | 43-6 || 848-7 3-0 6 0 22-23 ||514-9 | 49-9 || 833-0 
8 0 22-79 || 512-6 | 42-4 || 839-7 | 42.4 Sano 20-65 |\506-4 | 49-5 | 847-1 
10 0 22-43 || 512-9 | 41-1 || 833-0 | 41-5 10 0 21-02 ||510-6 | 49-2 || 830-7 
18 0|| 25 21-29 | 508-5 | 37-9 || 820-7 | 38-7 18 0} 25 20-47 | 510-3 | 48-0 | 818-4 
20 0 20-30 || 512-5 | 37-5 || 524-6 | 38-3 20 0 20-25 ||507-3 | 48-0 || 830-1 
22 0 27-29 | 490-3 | 37-9 || 847-7 | 38-5 22 0 21-30 || 503-0 | 48-3 || 836-6 
Oct. 14 0 0 28-57 || 502-4 | 40-2 ||841-2 | 40-2 | Oct. 21 0 O 24-00 || 505-9 | 48-9 || 829-8 
Pra0 27-98 || 517-0 | 43-6 || 830-7 | 42-5 2 0 24-52 |/509-9 | 50-0 || 828-1 
4 0 25-14 ||517-5 | 45-6 || 841-2 | 44-3 4 0 22.42 ||514-4 | 51-5 || 828-4 
6 0 22-65 || 518-4 | 46-2 || 839-5 | 45-0 6 0 22-17 ||516-2 | 52-0 || 813-8 
8 0 22-72 || 509-9 | 45-0 || 868-5 | 44-5 8 0 21-24 514-9 | 51-1 || 813-3 
10 0 17-59 || 501-9 | 43-0 || 832-7 | 43-0 10 0 21-20 |/511-8 | 49-3 || 814-6 
Oct. 15 18 0|| 25 21-91 | 504-6 | 34-9 || 814-2 | 36-2 | Oct. 22 18 0} 25 20-77 || 511-1 | 49-9 || 797-4 
20 0 23-91 ||494-6 | 34-0 || 827-2 | 35-4 20 O 19-95 || 508-0 | 49-4 | 812-0 
22° 0 24-13 || 493-2 | 34-0 || 834-1 | 35-0 22° 10 21-90 ||499-0 | 49-5 || 817-4 
Oct. 16 0 0 27-33 || 491-8 | 36-2 ||845-0 | 36-5 | Oct. 23 0 O 26-02 || 504-5 | 50-2 || 808-3 
2°40 25-96 ||512-8 | 39-9 || 856-0 | 39-3 2 0 25:87 ||510-8 | 51-2 || 816-4 
4 0 25-25 ||519-9 | 42-9 || 860-0 | 41-7 4 0 22-25 ||514-2 | 51-7 || 823-1 
6 0 22-36 || 520-3 | 43-3 || 858-4 | 42-4 6 0 22-05 ||515-8 | 51-3 || 805-5 
8 0 20-72 || 521-0 | 42-7 || 828-5 | 42-0 8 0 21-33 | 515-1 | 51-1 |) 807-1 
10 0 12:36 || 549-3 | 41-5 || 828-9 | 41-5 10 O 20-77 ||513-1 | 51-2 || 810-8 
18 0O|| 25 21-88 ||508-4 | 38-7 || 844-6 | 39-4 18 0] 25 20-25 ||514-6 | 49-3 || 800-8 
20 0 24-60 || 494-3 | 38-5 || 841-9 | 39-2 20 O 19-40 || 508-9 | 48-7 || 814-2 
22 0 24-01 || 497-9 | 38-3 || 840-3 | 39-0 22 0 19-55 ||496-0 | 48-4 || 818-6 
Oct. 17 0 0 24-89 ||495-9 | 38-5 ||846-4 | 39-0 | Oct. 24 0 0 26-86 ||502-7 | 48-6 || 809-9 
2 0 18-41 || 492-4 | 39-3 | 901-7 | 39-7 2 0 28-14 || 503-9 | 48-6 | 819-3 
4 0 25-32 || 508-5 | 39-1 || 884-6 | 39-5 4 0 23-13 ||508-5 | 48-0 || 831-9 
6 0 22-25 || 507-3 | 39-0 || 889-7 | 39-5 6 0 21-67 ||514-3 | 47-1 || 813-4 
8 0 22-67 || 507-6 | 38-9 || 855-6 | 39-3 8 0 21-13 || 512-0 | 46-2 || 812-4 
10 0 22-58 ||512-3 | 38-3 || 843-6 | 39-0 10 0 19-95 || 506-7 | 45-1 || 821-9 
18 0] 25 22-32 || 500-3 | 34-9 || 833-0 | 36-0 18 O}| 25 19-65 ||510-9 | 40-2 || 825.2 
20 O 20-90 ||494-7 | 34-1 || 846-6 | 35-4 20 0 20-90 ||508-5 | 39-6 || 827-6 
22 0 20:77 ||494-8 | 34-2 || 851-6 | 35-6 22 0 22-57 ||496-2 | 39-3 || 833.3 
Oct. 18 0 0 24-67 ||494-7 | 36-8 || 837-9 | 36-8 | Oct. 25 0 0 24-86 | 504-3 | 41-0 || 827-5 
2 0 27-50 || 518-5 | 42-0 || 830-6 | 41-7 2 0 25-65 ||511-0 | 43-6 || 820.7 
4 0 24.52 ||521-8 | 45-9 || 827-0 | 45-0 4 0 23-00 || 514-0 | 46-1 || 842-6 
6 0 23-00 ||519.6 | 49-0 || 832-8 | 47-8 6 0 23-28 ||517:6 | 47-2 || 840-1 
8 0 23-29 ||514-9 | 48-2 |) 832-7 | 47-7 8 0 21-11 ||515-3 | 46-2 || 820-4 
10 0 16-11 | 518-9 | 49-9 | 816-5 | 49-8 10 O 20-34 ||510-9 | 44-9 || 820-8 
DECLINATION. Torsion removed, circle reading,—Oct. 144.14, 97°; 174 23h, 100° ; 184 94, 110°;* 194 23, 93°.+ 
BIriLak. k=0:0001205. BALance. k=0:000013 approximately. 
* Oct. 184 0h—8h, Magnet with short scale in the Declinometer box. 
+ Oct. 194 22h_254 22, Magnet with short scale in the Declinometer box. 
