Gottingen 
Mean Time 
of Declina- 
tion Obs. 
ad. bh. 
2 13 
es 
cooooosoooocoocoococoeocecece 
coooooeoo 
BIrivanr. 
Hovurty OBSERVATIONS OF MAGNETOMETERS, FEBRUARY 2—7, 1845. 
DECLINA- 
TION. 
° ’ 
25 14-33 || 
13-81 
25 
DECLINATION, 
8 
? 
Observer 
Initial. 
| 
| 
WwW 
BIFILAR. BALANCE. 
Cor- |Thermo-|| Cor- |Thermo-| 
rected. | meter. |! rected. | meter. 
Se. Div. ° Mic. Div. 2 
537-3| 31-1 || 572-3] 32-0 
536-5| 31-4 || 574-1} 32-4 
536-9| 31-7 || 572-9) 32-6 
537-3| 31-9 || 571-6] 32-8 
535-6| 32-1 || 572-0} 33-1 
537-4] 32-3 || 571-3] 33-3 
540-1| 32-5 || 571-4] 33-5 || 
540-6| 32-7 || 573-1] 33-7 
537-7| 32-8 || 577-6| 33-8 
535-2} 32-9 || 576-2) 33-8 
533-3] 33-2 || 580-6] 34-2 
527-5! 33-6 || 585-0} 35-0 
532-1] 34-2 || 585-6] 36-2 
| 535-1] 35-0 || 586-0] 37-3 
| 537-2} 36-0 || 582-1} 38-0 
537-6| 37-2 || 579-4] 39-0 
538-4| 38-2 | 580-9} 39-8 
540-4| 38-8 || 580-8} 40-2 
540.0} 39-0 || 578-9) 40-3 
539-1} 39-2 || 578-0! 40-3 
538-4] 39-2 || 576-9} 40-0 
537-0} 39-0 || 576-4) 39-7 
536-5| 38-8 || 577-3) 39-4 
534-1| 38-6 || 577-5) 39-1 
541-4] 38-3 || 565-5] 38-8 
529-7| 38-0 || 570-7| 38-4 
535-3| 37-7 || 558-6| 38-0 
535-5| 37-4 || 562-1) 37-5 
537-6| 37-1 || 562-6) 37-0 
537-7| 36-8 || 567-8) 36-5 
538-6| 36-4 | 569-4| 36-1 
538-9| 36-0 || 567-6] 35-6 
538-4| 35-6 || 564-3) 35-1 
537-2) 35-2 || 557-7| 34-7 
533-6| 34-9 || 561-7| 34-5 
535-3| 34-7 || 561-5} 34-7 
535:5| 34-8 || 574-5) 35-3 
537-7| 35-3 || 580-9] 36-1 
536-0} 36-1 || 584-7| 37-2 
535-7| 36-9 || 585-2) 38-0 
535-5| 37-7 || 581-4] 38-7 
537-0} 38-2 || 575-6) 39.2 
537-7| 38-5 || 572-6| 39-4 
531-0} 38-7 || 575-4| 39-6 
537-1| 38-8 || 580-2] 39-7 
536-9| 39-0 || 577-0} 39-8 
536-5| 39-1 || 577-8| 39-9 
537-8| 39-2 || 574-7| 40-0 
536-3) 39-3 || 572-9} 40-0 
538-8) 39-3 | 571-8) 40-1 
537-9 39-3 || 569-8} 40-0 
539-4| 39-3 || 567-4| 39.9 
539-6| 39-3 || 567-5| 39-8 
| 539-8) 39-1 || 566-8| 39-6 
| 539-5) 39-0 || 563-9| 39-4 
| 538-5! 38-8 || 564.2! 39.2 
Hit Dense eee Seer SSH Pe seSeeSsSst ene e enw 
Gottingen 
Mean Time 
of Declina- 
tion Obs. 
——s 
egooosceegooscoocofoF 
+ 
cooocooococeco*oceoocococooco 
oscococococecoco 
DECLINA- 
TION. 
25 13-07 
13-96 
15-98 
17-65 
18-72 
19-26 
19-05 
21-50 
27-42 
24-77 
15-22 
16-10 
15-24 
12-89 
13-16 
11-88 
25 09-46 
08-88 
11-77 
13-47 
12-60 
12-73 
18-63 
13-77 
15-34 
19-21 
23-72 
22-01 
20-02 
17-40 
15-98 
15-15 
13-86 
13-66 
13-29 
12-83 
12.58 
12-69 
12-51 
11-98 
25 13-12 
13-52 
13-86 
14-57 
13-74 
13-00 
11-74 
13-03 
13-69 
13-81 
15-98 
18-13 
18-40 
17-56 
16-79 
16-89 
Cor- 
rected. 
Se. Div. 
538-4 
536-1 
534-6 
535-6 
538-7 
543-1 
538-3 
546-9 
535-5 
530-8 
528-9 
532-7 
536-9 
534-4 
535-9 
533-6 
528-6 
531-5 
530-7- 
531-0 
537-3 
537-3 
530-0 
534-7 
531-1 
510-9 
520-2 
528-3 
532-3 
533-3 
533-6 
533-3 
533-1 
532-4 
533-7 
534-5 
532-5 
533-7 
533-5 
533-8 
532-6 
532-9 
533-1 
535-0 
535-1 
537-8 
540-2 
540-1 
536-9 
535-6 
534.4 
534-2 
536-7 
540-2 
535-7 
536-4 
BIFILAR. 
Thermo- 
meter. 
31-5 
31:7 
BALANCE. 
Cor- 
rected. 
565-9 
566-5 
568-1 
573-5 
579-7 
578-8 
582-6 
597-1 
640-1 
746-0 
717-3 
645-3 
630-5 
626-5 
612-7 
609-4 
599-0 
585-1 
592-3 
590-0 
587-3 
584-2 
583-8 
570-8 
566-1 
579-9 
583-7 
585-3 
583-8 
587:8 
586-3 
589-2 
587-5 
583-6 
580-3 
573-0 
573-5 
574-9 
575-8 
573-2 
574-4 
574-0 
574-3 
571-8 
569-3 
564-9 
561-4 
559-6 
562-0 
561-5 
563-6 
561-5 
564-6 
568-5 
575-1 
583-4 
Mie. Diy. 
Thermo- 
meter, 
38-9 
38-7 
38-7 
38-7 
Torsion removed,—Feb. 54 3}4,—7}°.* Effect of + 10° of torsion= — 0’84. 
Observed 2™ after the declination, s—0:000140. 
BALANCE. 
Observed 3™ after the declination, k—0-000010. 
Observer’s 
Initial. 
SeeedeSeseursettetedt meses SsSetr totes eeeese Serb nenseesqrterers 
+ Extra Observations made. 
* Feb. 54 345. The torsion could not have been more than 3° at first, but the north end of the brass bar moved slowly towards the west, 
as if affected by currents, or as if the torsion of the thread were affected by moisture. 
