Hovurty OBSERVATIONS OF MAGNETOMETERS, Marcu 23—28, 1845. 17 
Beats BIFILAR. BALANCE. ‘w_] Gottingen BIFinar. BALANCE. ie: 
See ine DEcLINA- 5 = | Mean time DECLINA- > 3 
of Declina- TION. Cor- |Thermo-|| Cor- |Thermo- 2 of Declina- TION. Cor- |/Thermo-| Cor- |Thermo-| 2°E 
tion Obs. rected. | meter. || rected. | meter. || > tion Obs. rected. | meter. | rected. | meter. || 6 ~ 
| es ° , Sc. Div. ~ Mic. Div. 2 a eh a ~ ’ Se. Div. a Mic. Div. z 
23 13 Ot| 25 08-06) 538-8 50-1 || 507-0| 49-8 || B | 25 21 O |] 25 11-14]] 526-6] 42-3 | 555-8} 42.0 || B 
14 O+| 17-53 || 535-3| 49-7 || 406-5| 49.4 || B 22 0 10-94 || 526-8| 42-1 || 555-2) 42.0 || W 
15 Ot 04-37 || 532-2] 49-3 || 407-0; 49-0 || B 23 0 11-57 || 519-3} 42-1 || 557-6) 42-2 || W 
16 0+ 04-01 || 529-6| 48-8 || 461-9} 48-5 || B | 26 0 O 16-93 || 530-8| 42-3 | 548-3) 42-7 || W 
17. OF 05-65 || 508-6| 48-4 || 461-8] 47-9 || B 1 0 20-30 || 534:6| 42-6 | 540-2) 43-4 || W 
18 Ot 13-39 || 537-3| 47-9 || 475-6| 47-3 | B 2 0 23-78 || 532-5| 43-3 | 554°6| 44-3 || W 
19 0} 09-30 || 537-2| 47-4 || 521-8] 47-7 |i 3.0 21-41 || 539-7| 44-0 | 570-1} 45-2 | W 
20 0) 09-91 || 539-0| 47-0 || 523-3) 46-1 || H 4 0 21-84 || 538-3] 44-9 || 582-8| 46-0 || W 
Zu .0 | 11-08 || 526-1| 46-6 || 540-4| 45-7 | W 5 Of 12-67 || 542-1] 45-7 | 594-4) 46-7 || W 
22 0} 13-10 || 521-7| 46-2 || 544-2] 45-5 | H 6 Of 08-11 |) 536-7| 46-2 | 626-0) 46-8 || H 
23 0} 16-62] 519-5| 45-9 || 540-3} 45-6 | H a0 05-06 || 544-9} 46-3 | 618-5] 46-9 | H 
24 0 0} 18-30 || 525-6) 45-8 || 533-0) 46-0 || H 8 Ot 04-19 || 553-2) 46-2 | 549-8) 46-8 || H 
1 o| 22.57 || 525-7| 46-2 || 536-1| 46-6 || W 9 0 12-02 || 534-9; 46-2 | 568-5} 46-8 | H 
1G 23-54|| 540-7| 46-6 || 541-4) 47-3 || H 10 Ot 16-93 || 527-9| 46-0 || 539-2| 46-7 || H 
3) 40 24-69 || 548-5] 47-0 || 558-7| 48-0 || H UIs 307; 08-82 || 540-7) 46-0 || 496-8| 46-7 || B 
4 0 24-32|| 538-8] 47-6 || 589-0| 48-5 || H 12 OF 09-06 || 544-1) 46-0 || 502-0) 46-7 | B 
5 2 23-01 || 544-9| 48-1 || 616-3) 49-0 || H 
6 Ot 15-51 || 540-4] 48-6 || 644-8| 49-3 | B 13 of 25 09-84 || 535-1) 45-9 || 499-3) 46-6 | B 
7 Of 08-58 || 548-1] 48-9 | 631-3| 49-4 || B 14 0 11-64 || 516-3| 45-9 || 507-4| 46-4 || B 
8 Ot 07-17|| 532:6| 49-0 || 611-2} 49-5 || B 15 OF 20-87 || 513-0| 45-8 || 447-7) 46.3 || B 
3.0 07-54 |) 532-5] 49-0 || 602-6| 49.4 || B 16 Of 09-22 || 537-5| 45-7 || 477-8) 46-2 || B 
10 0 10-83 || 533-5) 48-8 || 582-0) 49-0 || B 17 207; 08-01 || 530-0) 45-6 || 513-0} 46.0 | B 
11 21 09-33 || 535-8| 48-4 || 558-4) 48-3 | W 18 0 14-92 || 524-1] 45-4 || 532.9] 45-7 || B 
12 Of 16-25 || 536-7.| 48-0 || 544-2) 47-7 || W 19 0 11-62 |) 536-3] 45-1 | 534-3] 45.4 || H 
20 0 09-91 || 535-7| 45-0 || 545-6] 45.3 || H 
13 Ot) 25 05-96|| 543-5) 47-6 439-8| 47-1 || W 21 0 08-72 || 533-6| 44-9 | 550-2) 45.2 || W 
14 Ot) 24 53-72} 512-6 47-1 || 430-0} 46-5 || W 22 0 08-55 || 528-6| 44-8 || 553-2) 45.3 || H 
15 Of) 25 04-14] 505-8} 46-6 418-2| 45-9 || W 23 0 11-21 |) 528-5] 45-1 | 556-8) 45.7 || H 
16 Of 00-71 || 533-8} 46-0 || 352-7| 45:3 || W127 0 0 14-15 || 529-4| 45-4 | 550-0) 46-3 || H 
17° ‘OF 05-11|| 511-3) 45-4 || 421-2) 44-7 || W ip (0 18-81 || 532-3| 45-9 || 544-9! 47-0 || H 
18 0 10-03 || 532-2) 44-9 || 483-7) 44.0 || W 2 0 19-91 || 522-5] 46-7 || 548-2] 47-7 || H 
19 0 09-98 || 529-4| 44-3 || 521-9] 43-2 || B 3.0 17-34 || 539-1] 47-3 || 558-9| 48-5 || H 
20 0 10-53 || 517-2| 43-6 || 543-9| 42-4 || B 4 0 17-54 || 547-8| 47-8 || 562.9| 48-7 || H 
21 0 10-90 || 520-9| 43-0 || 555-4] 41-9 || H 5 Of 15-18 || 518-8) 48-0 || 600-4| 49.0 || H 
22 0 12-04 || 518-4) 42-6 || 553-7} 41-7 || H 6 0 13-05 || 539-6| 48-3 || 605-5] 49.0 || B 
23 0 15-04 || 511-0) 42-2 || 550-7| 41-7 || H 7 0 12-58 || 542-3| 48-4 || 611-5} 49.0 || B 
25 0 0 16.45 || 517-4] 42-2 || 548.6) 42-2 || H 8 Ot 06-03 || 540-3} 48-4 || 603-5; 49.0 || B 
1 0 19-51 || 530-8) 42-4 || 548-6) 42-7 || H 9 Of 09-29 || 527-4| 48-5 | 531-1] 49.3 || B 
2 0 20-35 || 533-6| 42-7 || 560-1} 43-3 || H 10 O 08-79 || 533-3] 48-7 || 546-6) 49.5 | B 
3 0 18-16 || 542-3} 43.2 || 573-4) 44-0 | H 11 0 09-67 || 530-8} 48-7 | 537-1) 49.5 || W 
4 0 17-40 || 540-8| 43-8 || 577-1| 44:5 | H 12 0} 09-13 || 534-7| 48-7 || 532-7] 49.4 || W 
5 0 15-12]| 533-1} 44.2 || 601-9} 45-0 | H ie 
6 Ot 10-30 || 542-1} 44.6 || 615-6} 45-2 | W 13. 0 || 25 12-28 ]| 534-7] 48-7 || 537-7) 49-3 || W 
cet) 13-66 || 541-5| 44-8 || 583-5] 45-3 || W 14 0 14-80 || 534-2) 48-7 || 532-5] 49-1 || W 
8 0 ‘12-55 || 539-1] 44.8 || 570-0] 45-3 | W 15 0 12-69 || 528-0] 48-6 |} 535-9} 49-0 || W 
Bhai) 11-77) 540-3] 44-8 || 565-3) 45-2 || W 16 0 12-56 || 538-7| 48-5 || 531-4|) 48.9 || W 
10 0 10-43 || 541-2] 44-7 || 561-5) 45-0 | W 17 0 10-20 || 537-2} 48-4 | 537-9) 48-7 || W 
11 0 09-80 || 536-3] 44-6 || 556-5| 45-0 || H 18 0 10-75 || 538-6 | 48.2 || 535-9] 48-4 || W 
12 0 11-30 || 543-0} 44-4 || 543-7| 44.8 | H 19 0 10-47 || 537-2] 48-0 || 539-3) 48-0 || B 
20 0 |} 09-30 || 535-2] 47-8 || 544-5) 47-8 || B 
13 Ot|| 25 04-89]! 550-9} 44.3 | 498-9) 44.7 | H 21 0 09-37 || 532-9] 47-6 || 541-9] 47-6 || H 
14 Of, 04-86 || 532-4) 44.1 || 508-1) 44-5 || H 22 0 09-89 || 528-8] 47-5 || 539-4| 47-6 || H 
15 0 11-91 || 527-1| 44-0 || 504-6) 44.2 | H 23 0 11-00 || 525-1] 47-4 || 532-9] 47-7 || H 
16 0 08-29 || 531-2] 43-7 || 517-6) 44-0 || H | 28 0 0 15-99 || 530-6| 47-7 || 524.8) 48-0 | B 
17 0 10-58 || 532-0| 43-5 || 534-9| 43-6 || H 1740 18-52 || 533-1| 47-8 || 523-0] 48-5 | H 
18 0 12-29 || 534-6} 43-2 || 539-9) 43-2 | H 2 0 18-16 || 536-4] 48-1 || 535-8) 49-0 || H 
19 0 08-83 || 528-6) 42.9 || 548.9| 42-7 | W 3.0 17-60 || 535-6} 48-4 || 543-7| 49.4 || H 
20 0 | 10-67 || 527-7| 42-6 || 557-4| 42-3 || W 4 0 16-05 || 540-0! 48-9 || 550°2| 49-7 || H 
DECLINATION. Torsion removed, March 234 234",—18}°. Effect of + 10° of torsion = —0’84. 
Birinar. Observed 2™ after the Declination, s=0:000140. 
MAG. AND MET. obs. 1845. 
BaLaNce. 
Observed 3™ after the Declination, k=0-000010. 
+ Extra Observations made. 
