14 
Gottingen 
Mean Time of 
Declination 
Observation. 
d. h. 
June 21 18 
20 
22 
0 
June 22 
June 23 
June 24 
June 25 
June 26 
June 27 
June28 0 
CmaQae LN 
_ 
DAILY OBSERVATIONS OF MAGNETOMETERS JUNE 21—JuLy 5. 1843. 
BIFILAR. BALANCE. Gottingen BIFILAR. 
DECLINA- 5 Mean Time of DECLINA- 
TION. Cor- |Thermo-| Cor- |Thermo- Declination TION. Cor- |Thermo- 
rected. | meter. || rected. | meter. Observation. rected, | meter. 
oF SDs] oo Nullatiemrell ue detent: ||) Be 7 | Se. Div. ° 
seers || 497-2 | 59-9 || 663-7 | 60-2 | June 28 18 0 || 25 21-24 |507-1 | 50-8 
sence 496-3 | 59-7 | 665-7 | 60-1 20 0 20-43 || 489-0 | 50-9 
seeeee 500-5 | 61-1 | 660-0 | 61-0 22 0 24-06 | 490-1 | 51-9 
sents 499-0 | 63-2 | 639-0 | 62-6 | June29 0 O 26-53 || 497-4 | 53-7 
steers 504-3 | 65:8 || 645-6 | 65-3 % 2 0 28-67 || 508-4 | 55-4 
seteee 503-7 | 68-0 | 643-7 | 66-9 4 0 25-04 516-4 | 57-0 
seeeee 514-5 | 69-9 || 651-2 | 68-4 6 0 21:58 || 513-5 | 57-1 
seers 515-3 | 71-0 | 657-4 | 69-3 8 0 19-91 || 519-4 | 58-4 
seneee 510-3 | 69-7 | 657-3 | 68-4 10 0 20:79 || 520-2 | 58-9 
seeees 500-0 | 59-6 | 655-7 | 59-6 18 0} 25 15-86 ||505-3 | 54-3 
seeeee 492-8 | 59-0 || 675-3 | 59-4 20 0 14:06 || 495-0 | 54-3 
trteee 486-2 | 59-4 || 681-5 | 59-5 22 0 16-48 || 490-1 | 55-3 
25 24-20 || 487-4 | 62-0 ||674:3 | 61-5 |June30 0 0 33-05 || 491-7 | 56-9 
28-57 ||494-9 | 66-5 | 652-3 | 65-0 2 0 39-66 | 505-2 | 59-0 
30-58 || 504-5 | 69-9 || 642-2 | 68-0 4 0 33-25 || 522-5 | 60-4 
29-21 ||513-8 | 70-0 || 648-4 | 68.2 6 0 31-12 || 525-5 | 61-2 
27-83 ||516-3 | 69-3 | 660-5 | 68-0 8 Of]  — --oeee 515-7 | 62-0 
27-49 ||510-8 | 67-0 | 663-3 | 66-3 10 0 26:08 | 507-6 | 61-3 
25 23-66 | 501-0 | 59-0 || 662-5 | 59-0 18 0] 25 25-14 | 488-8 | 56-3 
21-24 || 496-2 | 59-0 || 674-9 | 59-0 20 0 16:40 || 484-5 | 57-3 
22-56 ||490-4 | 60-3 | 678-4 | 60-0 22 0 20-92 | 481-4 | 58-4 
32-30 || 496-0 | 63-0 | 666-4 | 62-1 | July 1 0 O 30-07 | 483-0 | 59-6 
35-22 ||501-9 | 64-9 | 666-8 | 63-7 2 0 33-76 | 491-3 | 61-6 
31-79 ||512-3 | 66-9 || 646-2 | 65-3 4 0 30:29 || 508-7 | 62-2 
29-22 ||513-5 | 68-3 | 658-9 | 66-3 6 0 28-64 | 517-8 | 62-2 
27-94 || 513-4 | 68-8 | 668-8 | 66-8 8 0 25-48 | 520-5 | 61-9 
27-14 || 509-9 | 67-0 | 676-8 | 66-0 10 0 25-90 | 506-6 | 60-9 
25 21-41 |/504-4 | 55-0 ||661-4 | 55-0 | July 2 18 0] 25 24-33 || 505-7 | 60-6 
18-46 | 495-4 | 54-9 | 673-0 | 54-9 20 0 19-58 | 500-1 | 60-8 
21-31 || 483-4 | 55-1 || 673-1 | 55-0 22 0 22-11 | 484-1 | 61-3 
31-46 || 484-4 | 56-6 | 647-3 | 56-0 July JanOeeO. 30-79 || 479-7 | 62-4 
34-95 ||504-5 | 58-9 || 643-5 | 57-7 2 0 34-61 || 492-6 | 64-1 
33-20 ||515-7 | 61-7 | 675-2 | 60-0 4 0 32.89 || 515-3 | 65-7 
26-62 || 513-8 | 63-2 || 687-4 | 61-5 6 0 28-88 || 518-0 | 66-4 
25-75 ||517-9 | 63-0 | 677-7 | 61-5 8 0 26:89 | 517-7 | 67-0 
25-48 ||512-0 | 61-1 | 669-9 | 60-3 10 0 19:89 || 513-0 | 65-8 
25 20-57 || 501-9 | 54-5 || 672-2 | 54.9 18 0} 25 24-60 | 492-3 | 59-2 
19-76 || 492-3 | 54-4 | 676-3 | 54-6 20 0 22-22 || 494-7 | 59-2 
23-12 ||484-1 | 54-6 | 664-0 | 54-6 22 0 23-59 || 483-6 | 59-8 
31:74 || 486-0 | 55-1 648-0 | 55-0 |July 4 0 0 28-88 | 481-0 | 61-9 
33:55 ||499-9 | 56-2 || 655-6 | 55-7 2 0 31:19 || 495-0 | 64-3 
30-45 || 510-5 | 57-8 || 674-3 | 57-0 4 0 50-15 || 510-7 | 66-6 
25-95 ||510-1 | 58-2 || 677-9 | 57-2 6 0 28:44 511-8 | 68-3 
25-31 ||517-7 | 57-1 | 675-5 | 56-5 8 0 26-15 || 521-1 | 69-0 
25:27 || 513-0 | 55-7 || 670-0 | 55-5 10 0 25:86 || 512-5 | 67-6 
25 21-91 || 504-1 | 51-0 || 668-4 | 51-0 18 0} 25 26-84 || 495-6 | 61-8 
19-60 || 497-0 | 51-2 || 683-6 | 51-0 20 0 22:05 || 498-1 | 61-4 
23-19 ||483-9 | 52-2 || 674-5 | 51-9 22 0 24:31 || 489-3 | 62-1 
30:96 ||487-6 | 53-2 || 657-1 | 52-7 July 50550 28:08 || 487-1 | 63-6 
32-72 ||501-1 | 54:8 || 658-2 | 54-0 Pe AY) 29-89 || 498-9 | 66-1 
31-19 || 512-0 | 55-7 || 671-3 | 54-8 4 0 29-17 ||504-5 | 68-1 
26-48 ||511-5 | 56-0 ||681-1 | 55-4 6 0 29-44 | 508-1 | 67-9 
25-75 || 512-9 | 55-7 || 670-9 | 55-0 8 0 26-10 | 512-6 | 67-2 
25.54 ||509-5 | 54-4 | 664-9 | 54-0 10 0 25-12 || 507-6 | 65-6 
BALANCE, 
Cor- 
rected. 
Mic. Diy.|  ° 
673-9 | 50-7 | 
685-9 
677-7 
667-7 
659-8 
674-9 
675-7 
671-8 
662-8 
652-5 
659-1 
661-9 
650-2 
643-6 
663-6 
704-4 
712:3 
687-7 
582-2 
636-9 
647-6 
645-6 
648-4 
659-4 
666-5 
681-4 
669-6 
633-9 
647-7 
650-5 
640-8 
639-7 
656-0 
670-9 
679-0 
660-5 
661-1 
680-0 
676-8 
668-8 
668-9 
| 659-4 
662-8 
668-0 
667-4 
640-2 
644-8 
666-4 
666-7 
662-5 
653-2 
651-8 
635-9 
660-8 
DECLINATION. Torsion removed, circle reading,—June 224 23h, 342°;* 234 19h, 326°; 254 19h, 6°, 11°; 284 23h, 16°, 32°; 298 | j 
318°,¢ 271°;+ 304 35, 326°;+ 304 74, 334°, 325° st July 54 74, 15°. 
BIFILAR. 
k=0:0001205. 
BALANCE. 
k=0:000015 approximately. 
* June 224—234, 
t+ June 294304, 
Suspension thread of Declinometer broken and a new thread substituted. 
Experiments made on the torsion of the suspension thread. 
See Introduction. 
See Introduction. 
