Gottingen 
Mean Time 
of Declina- 
tion Obs. 
22 
| 23 
ecooocooso: 
_ 
bo 
eooeooeoocecoosososcooscoocosecoeossf oeooococececoceoceoeceoecocoeoc‘eo 
BIFILAR. 
Howurty OBSERVATIONS OF MAGNETOMETERS, JuLY 21—25, 1845. 39 
Biricar. BALANCE, % | Gottingen BIFILAR. BALANorE. 2 % 
DECLINA- 2-5 | Mean Time || Deciina- Pas 
TION. Cor. |Thermo-|) Cor- |Thermo-| Z | of Declina- TION. Cor- |Thermo-| Cor- |Thermo-|| 2 ‘5 
rected. | meter. || rected. | meter. ||5 tion Obs. rected. | meter. || rected. | meter. 5 
° , Se. Div. z Mie. Div. S, a h m. ° 4 Se. Diy. e Mic. Diy. Y 
25 15-79|| 547-3| 56-7 || 485-9} 57-0 || W | 23 13 0 || 25 08-18|| 547-1] 54-9 || 477-0] 55.5 || D 
13-05 || 548-7] 56-8 || 487-7] 57-2 || H 14 0 09-59 || 542-8) 55-0 | 481-1] 55.6 || D 
12-18 || 548-2| 56-9 || 492-5| 57-2 || W 15 0 10-58 | 545-0} 55-0 || 481-2) 55.6 | D 
11-10 || 548-7} 56-9 || 488-1] 57-1 || W 16 0 11-91 || 541-8] 55-0 |) 478-6] 55.6 || D 
09-86|| 548-6] 56-8 || 484-3) 57-0 || H 17 0 09-69 || 545-0} 55-0 || 467-1| 55.6 || D 
09-87 || 544-3) 56-7 || 483-3) 56-8 H 18 0 11-48 | 536-6] 55-0 || 468-4| 55.5 || H 
09-77 || 542-4] 56-6 || 480-6| 56-6 | B 19 O 10-47 | 539-8] 54-8 || 461-7} 55.3 || H 
09-22 || 542-6] 56-4 || 479.5] 56.4 || B 20 0 05-18 || 540-1| 54-7 || 473-4) 55-1 || H 
21 O 04-51 || 537-0} 54-6 || 476.0] 55.0 || H 
25 09-53|| 540-9| 56-2 || 479-4] 56-2 || B 22; 0 06-39 || 532-7| 54-6 | 476-5] 55.0 || W 
09-42|| 540-3| 56-0 || 479-6| 56-0 || B 22: :0 08-61 || 529-0} 54-7 || 466-0) 55-3 || W 
10-27) 539-3} 55-9 || 481-0} 55-8 | B | 24 0 0 10-43 || 529-0] 54-8 || 470-4) 55-5 || W 
09-74 || 540-7} 55-7 || 479-8| 55-6 || B 10 13-32 || 530-8} 55-0 || 473-9] 55.8 || B 
07-84 |) 541-0| 55-6 || 484-3] 55-4 || B pe) 14-40 | 526-9| 55-4 || 488-7| 56-2 || H 
06-23 || 538-8] 55-4 || 481-7) 55.2 || B 3.0 16-53 || 542-5| 55-8 || 488-4] 56-6 || B 
07-22)| 536-7] 55-2 || 481-1] 55-0 || H 4 0 15-76 |) 557-4| 56-3 || 501-3} 57-1 B 
06-36 | 533-3] 55-0 || 484-1| 54-9 || H 5 (0 15-67 | 561-1] 56-7 || 530-0! 57-6 | W 
07-35 || 528-7| 54-9 || 486-0| 54-8 || W 6 0 13-91 || 555-2| 57-1 || 552-9] 58-0 || D 
09-06 || 523-8) 54-8 || 481-9| 54.7 || H 7 0 11-55 || 559-1 | 57-4 || 556-8| 58-3 || D 
12-31 |) 521-0| 54-8 || 476-5| 54-6 || H 8 0 11-00 || 548-9| 57-5 || 547-1] 58-5 || H 
14-10 || 525-0| 54-7 | 463-2| 54.7 || H 9 0 06-68 || 543-5) 57-6 || 532-3} 58-6 || H 
17-61 | 530-4| 54-8 || 448-6] 54-9 || H 10 0 05-55 || 542-3} 57-7 || 498-4] 58-6 || H 
19-28 || 537-5| 54-8 || 439-9) 55-0 || H 1 0 08-93 || 534-5) 57-8 || 481-1] 58-5 || B 
17-93 || 545-7| 54-9 || 442-2) 55.2 || H 12 0 07-55 || 538-1] 57-7 || 476-0| 58-4 | B 
16-01 || 546-2} 55-0 || 457-2) 55-4 || H 
14-46 || 546-3} 55-0 || 473-6) 55-5 || H 13. 0 || 25 03-30] 536-0} 57-7 || 459.4| 58-2 || B 
13-23 || 551-4] 55-1 || 482-9) 55-5 || B 14 Ot|| 24 54-26] 523-5] 57-6 || 405-0] 58-0 | B 
12-06 || 552-0] 55-1 || 489-0) 55-5 || B 15 of 24 55-78 || 527-2) 57-5 | 328-1] 58-0 || B 
10-74 || 551-3) 55-1 || 489-1) 55-3 || B 16 OF} 25 08-90 || 546-4] 57-4 | 280-6] 58-0 || B 
10-74) 547-7} 55-0 || 488-2| 55-1 B 17. OF 21-56) 512-3} 57-3 || 304.2) 58-0 || B 
10-50 || 542-3) 54-9 || 486-5| 54-9 || B 18 Ot 22.87 || 552-8) 57-3 || 285-7| 57-8 || B 
10-21 || 542-2} 54-7 || 482-8] 54-7 || W 19 OF 19-07 || 518-1) 57-1 || 320.2] 57-6 || H 
09-47 || 540-8] 54-5 || 483-1) 54-5 | W 20 Of 16-82 || 518-9| 57-0 || 350.9] 57-4 || H 
21 0 16-53 || 514-3} 57-1 || 382.2] 57-6 || W 
25 09-44 || 541-4] 54-3 || 482-6| 54-3 || W 22 0 20-33 || 516-9) 57-1 || 398-8] 57-7 || H 
09-33 |) 540-3] 54-1 || 483-7| 54-0 || W 23 0 18-60 || 500-4} 57-2 || 437-3] 58-0 | H 
08-95 || 540-3) 54-0 | 487-4| 53-8 || W]25 0 0 18-81 || 505-7] 57-6 || 451.2] 58-4 || H 
08-56 || 540-2} 53-8 || 491-5] 53-6 || W kd 17-65 || 529-8} 58-0 || 466-8} 59-0 || H 
07-08 || 540-7) 53-6 || 494-2} 53-3 | W 20 17-19 || 538-2| 58-5 || 482.9] 59-6 || H 
05-92 || 538-2} 53-4 | 496-7| 53-1 | W 3.2 16-57 || 540-0} 59-1 || 487-0] 60-4 || H 
03-54 || 5387-2} 53-3 || 494-1] 53-0 || B 4 0 15-02 || 538-9} 60-0 || 496-3| 61-3 || H 
03-65 || 542-3] 53-1 | 486-9) 52.8 B 5 (0 14-17 || 546-2} 60-8 | 499.1] 62-2 || H 
03-02 || 541-2} 53-0 | 483-1| 52-8 | H 6 0 13-27 || 558-5| 61-6 || 497.7] 62-8 || B 
03-70 || 527-8| 53-0 || 481-0] 53-0 || H 7 0 11-28 || 546-3} 62-2 | 512-5] 63-4 | B 
09-64 || 526-3} 53-0 | 473-5| 53-2 || H 8 0 10-30 || 546-2} 62-5 | 511-3] 63-5 || H 
14-13 | 529-0} 53-0 || 459.3) 53-4 || H 9 0 08-72 || 555-4] 62-7 || 488.7] 63-5 || B 
17-80 || 532:0| 53-3 || 456-1) 53-7 || H 10 OF 03-13 || 539-6| 62-7 || 453-0| 63-2 || B 
18-50 || 536-4| 53-6 || 458-1| 54-1 B 1 1p.0, 08-58 || 534-7| 62-5 || 446-1) 63-0 || W 
18-11 |} 549-2} 53-9 | 460-1] 54-5 | H 12. 0 06-51 || 535-2] 62-1 || 453-7} 62-4 || W 
17-29) 541-6| 54-2 | 477-5) 55-0 || H 
15-02 || 549-5] 54-5 || 487-3| 55-2 | B 13. 0 || 25 09-20}) 534-6} 61-7 || 456-3| 61-7 || W 
13-07 || 545-7| 54-8 || 494-9] 55-4 | W 14 0 08-38 || 535-7] 61-2 || 455-3} 61-0 || W 
13-50 || 554-6} 55-0 | 497-4| 55-5 || W 15 0 08-08 || 535-0} 60-7 || 456-5) 60-5 || W 
11-57 | 559-3) 55-0 | 503-9| 55-5 || W 16 0 07-89 || 534-4] 60-3 || 456-7} 60-0 || W 
11-33] 557-0] 55-0 || 501-1] 55-5 || W 17 0 08-79 || 533-8] 59-8 || 454-2] 59-5 || W 
10-54 || 549-6| 55-0 || 499-3] 55-5 || B 18 0 06-36 || 533-9} 59-4 || 460-7] 59-0 || W 
09-76 || 550-8} 54-9 || 493.7] 55-5 || B 19 0 07-35 || 529-2} 59-0 || 467-6] 58-5 | B 
09-84 || 549-0] 54-9 || 485-0] 55-5 || B 20 0 08-83 || 528-0| 58-7 || 465-8| 58-3 || B 
DECLINATION. Magnet untouched. June 184—Sept. 214. 
Observed 2™ after the Declination, k=0:000140. 
BALANCE, 
Observed 3™ after the Declination, s=0:000010. 
+ Extra Observations made. 
July 234 10b—244 10h, 
Term-Day Observations made. 
