Dainty OBSERVATIONS OF MAGNETOMETERS, FEBRUARY 15—Marcu 1. 1843. 
_ Gottingen 
Mean Time of 
_ Declination 
_ Observation. 
iB. 
‘Feb. 
21 0 
° 
25 
eceoooooceooo coooscoocooo esooooeosococoeo secescoescsoso esoeeosecocesecoc oscoecseosoco: 
bo 
or 
d. .h. 
15 18 
20 
22 
16 0 
25 
25 
25 
25 
DECLINA- 
TION. 
24-20 
24-40 
24-77 
27-70 
29-31 
26-96 
27-34 
14-06 
23-19 
24-64 
24-53 
24-48 
26-37 
26-70 
28-07 
28-07 
24-94 
23-50 
23-43 
24-25 
24-17 
26-06 
27-80 
25-85 
26-62 
22-11 
24-00 
22-82 
23-56 
23-71 
25-95 
27-60 
25-65 
23-32 
24.47 
23-12 
22-85 
22.87 
24-53 
29-44 
28-68 
26-77 
24-47 
24-53 
23-12 
23-63 
23-07 
24-47 
29-38 
29-55 
28-59 
25-27 
24-91 
25-24 
Gottingen 
DECLINA- 
BIFILAR. BALANCE. 
= Mean Time of 
Cor- /Thermo-|| Cor- |Thermo- Declination 
rected. | meter. || rected. | meter. Observation. 
Se. Div. ce Mie. Div. = ai Mie m. ° 
530-0} 40-0 || 750-2) 42-6 | Feb. 22 18 0] 25 
538-9} 44-9 || 750-1| 47-9 20 0 
533-4| 42-4 || 750-2] 45-1 22 0 
534-0} 46-1 || 744-3) 48-6] Feb. 23 0 O 
543-3} 50-2 || 730-0] 51-8 2 0 
544-6| 52-7 || 748-7} 54-0 4 0 
542-0} 50-2 || 756-1) 51-5 6 0 
543-8| 50-1 || 767-8] 52-3 S 0 
537-8| 50-3 || 760-6| 52-7 10 O 
533-1] 41-4 || 737-8| 44-0 18 0} 25 
541-9} 45-2 || 743-7| 48-5 20 0 
541-5| 46-4 || 742-1] 49-7 22 0 
539-1] 47-9 || 737-2} 50-1] Feb. 24 0 O 
540-7| 53-0 || 742-8] 55-1 2 0 
541-1} 54-1 748-9} 55-7 4 0 
533-3) 51-8 || 770-2| 53-1 6 0 
540-8] 51-0 || 766-6| 53-4 8 0 
539-2| 49-4 || 758-4} 51-8 10 0 
529-3| 37-9 || 707-1| 41-0 18 0} 25 
539-7| 41-3 || 752-8) 44-9 20 O 
530-5| 38-0 || 750-8| 41-2 22 0 
536-5| 44-5 || 741-6| 47-5] Feb. 25 0 0 
541-7) 48-8 || 733-3| 50-1 2 0 
542-9| 52-1 || 737-3| 52-8 4 0 
539-3| 51-9 || 745-0} 52-5 6 0 
540-8} 52-0 || 752-6) 53-5 8 0 
540-8] 51-1 746-8| 53-0 10 O 
530-1| 38-1 || 730:3| 39-5 | Feb. 26 18 0|| 25 
541-3} 43-0 || 734:2| 44-7 20 0 
536-4] 43-1 || 739-3] 44-4 22 0 
535-4| 47-0 | 732-4) 48-5 | Feb. 27 0 0 
535-7| 49-2 || 736-2| 50-7 2 0 
541-0} 50-1 745-4| 51-6 4 0 
530-9| 46-6 || 770-7| 48-5 6 6 
539-4| 47-4 || 758-9) 49.5 8 0 
540-7| 49-7 || 741-8| 50-3 10 0 
535-6| 45-9 || 741-2} 48-2 18 0O|| 25 
538-4| 48-2 || 740-6| 50-0 20 0 
531-3| 46-8 || 740-2) 48-5 22 0 
531-9] 47-7 || 734-0! 49-4] Feb. 28 0 O 
536-2} 50-0 || 737-3) 51-8 2 0 
541-0} 52-7 || 746-2) 545 4 0 
541-2] 51-7 || 745-8) 53-4 6 0 
541-0} 52-1 || 743-5) 53-6 8 0 
536-4] 51-9 || 741-7| 53-3 10 0 
537-3| 49-5 || 740-1] 51-3 18 0} 25 
538-0} 51-9 || 742-0| 54-0 20 O 
531-7| 50-2 |) 739-7} 51-9 22 0 
533-1] 52-2 || 727-4) 54:0|Mar. 1 0 0 
538-8] 53-0 || 733-7| 54-7 2 0 
536-8| 52-8 || 747-0] 54-5 4 0 
538-4| 51-4 || 749-4| 53-0 6 0 
542-5] 51-6 |) 749-5| 53-4 8 0 
538-7| 51-3 || 748-2} 53- 10 O 
TION. 
5 
BIFILAR. BALANCE. 
Cor- |Thermo-|) Cor- |Thermo 
rected. | meter. || rected. | meter 
Se. Div. iS Mice. Div. q 
535-3| 47-3 || 742-0} 50-2 
539-8} 50-2 || 744-2) 52-0 
535-3| 49-4 || 740-6) 51-0 
535-0| 49-6 || 741-5] 51-3 
540-1} 51-7 || 735-0) 53-0 
540:6| 51-7 || 743-8) 53-1 
543-2; 50-8 || 744-3] 52-5 
540-1] 50-3 || 750-5} 52-0 
538-3} 50-5 || 747-9} 51-9 
544-1] 50-8 || 725-2] 52-2 
543-9} 50-8 || 723-0} 52-1 
528-7| 49-7 || 725-8) 51-2 
539-1) 50-7 | 727-8) 52-2 
538-6} 51-1 || 735-9} 52-5 
535-2| 51-7 || 794-1} 53-0 
528-9) 52-0 | 878-6) 53-4 
523-5| 52-9 || 887-8| 54-6 
527-0} 52-7 || 783-2) 54-2 
539-2| 53-4 || 701-2) 55-8 
534-5) 53-8 | 734-2| 55-8 
529-3| 53-0 || 743-4) 55-0 
528-2} 52-9 || 745-9} 54-9 
535-7} 53-1 || 748-6| 54-9 
536-9) 52-4 || 748-5| 54.0 
534-5} 51-3 || 750-1} 53-0 
536-1] 52-2 | 742-8] 53-8 
544-3] 53-0 || 743-2) 54-7 
536-6| 42-7 || 745-5| 44-6 
536-4] 43-6 || 741-2) 45-5 
533-7| 44-2 || 742-5| 46.0 
536-5| 47-0 || 742-1) 48-5 
542-0} 49-5 || 750-3| 50-7 
542-7| 51-7 || 745-5) 53-0 
539-7| 50-2 || 739-0} 51-3 
538-7| 48-9 || 749-1} 50-5 
537-0} 48-9 || 749-9} 50-6 
535-0} 43-9 || 745-7) 46-0 
539-5| 46-8 || 742-1| 48-8 
532-6| 45-8 || 740-0] 47-5 
533-9| 46-7 || 729-2} 48-1 
544-3} 49-8 || 734-0) 51-0 
540-7} 51-3 || 742-3|) 52-3 
538-0} 50-3 || 739-0) 51-3 
540-1] 50-1 || 739-7) 51-3 
539-0} 49-3 || 739-0} 50-7 
538-8| 44-6 || 745-7| 46-7 
538-2| 44-6 || 739-1} 46-9 
534-4| 44-2 || 735-9} 46-5 
533-6] 45-7 || 731-9] 47-5 
540-1} 51-2 || 731-7) 52-5 
538-0} 52-1 || 731-3} 53-2 
537-5| 51-0 || 734-7| 52-0 
539-6} 49-1 | 736-6} 50-5 
538-8] 49-2 || 734-8] 50-8 
DECLINATION. Torsion removed, circle reading,—Feb. 204 235, 28°; 274 23h, 28°, 
k=0'0001248. 
BIFILAR, 
MAG. AND MET. ops. 1843. 
BALANCE. 
k=0-000015 approximately. 
