» 
BALANCE, 
Cor- 
rected. 
Thermo-| 
meter. 
Mie. Diy. 
773-1 
769-4 
750-8 
786-6 
757°3 
794-4 
785:3 
811-5 
778-2 
784-0 
775-5 
804-6 
791-4 
785-8 
766-3 
766-1 
784-6 
783-1 
762-4 
788-2 
795-5 
778-6 
767-9 
771-1 
754-8 
786-6 
816-9 
849.7 
779-7 
791-3 
785-2 
813-6 
778-5 
795-4 
775-2 
776-6 
761-3 
772-3 
769-2 
7758 
772-7 
792-4 
777-7 
784-7 
779-8 
783-1 
766-4 
777-6 
16 DAILY OBSERVATIONS OF MAGNETOMETERS, SEPTEMBER 7—OCTOBER 5. 1842. 
Gottingen BIFILAR. BALANCE. Gottingen BIFILAR, 
Mean Time of || DECLINA- ; Mean Time of || Decutina- |; 
Declination TION. Gor- |Thermo-| Cor- |Thermo- Declination TION. Cor- |Thermo-' 
Observation. rected. | meter. || rected. | meter Observation. rected. | meter. 
d i m. Se. Div. 4 || Mie. Div. = dad oh m Ui bo Se. Div. 
Sept. 7 20 0} 125-33 | 535-4 57-2 | 775-1| 57-3 | Sept. 21 20 0] 130-16 || 534-3 
23 0]] 129-32 || 523-4] 57-8 | 777-5) 57-7 23 0} 136-30 || 528-3 
Sept. 8 2 0} 134-08 | 536-6 58-9 || 773-4| 58-7 | Sept. 22 0} 140-23 || 548-5 
5 0] 128-28 || 550-9| 60-5 | 793-7] 59-9 0} 134-42 | 544-5 
20 0} 124-27 || 529-2] 55-4 || 793-6| 55-6 0} 132-30 || 538-2 
23 0]| 129-37 || 518-2] 55-8 | 786-7| 55-8 0) 136-37 || 525-1 
Sept. 9 2 0} 135-48 | 534-8 59-0 | 769-4| 58-2 | Sept. 0} 135-13 || 539-2 
5 0] 127-00 || 557-8) 62-1 || 833-6| 60-7 0} 127-83 || 540-8 
20 0] 125-46 || 529-8] 55-5 || 792-3) 55-7 0} 124-59 |) 535-8 
23 0|| 130-43 || 525-5| 56-5 || 790-1} 56-4 0} 127-14 || 526-8 
Sept. 10 2 O} 134-33 | 541-5) 59-4 781-1| 58-7 | Sept. 24 0 131-80 || 537-8 
5 0] 129-69 || 542-6| 61-3 || 779-5| 60-3 0| 128-81 | 544-3 
Sept. 11 20 0] 125-62 | 531-2) 55.5 755-7| 55-6 | Sept. 25 0} 122-20 }| 531-1 
23 0|| 127-63 || 526-0} 56-2 || 777-8} 56-1 0}, 125-32 || 526-5 
Sept. 12 2 0] 135-08 |) 532-9) 58-8 773-8| 58-1 | Sept. 26 0} 130-22 || 541-3 
5 0] 127-83 || 545-3| 61-8 | 775-0} 60-3 0|| 127-68 | 549-0 
20 0|) 122-70 || 519-2| 53-9 |) 785-4} 54-1 0} 123-80 || 533-4 
23 0] 133-24 || 508-8| 54-8 || 802-7) 54-8 0|| 126-52 || 522-6 
Sept.13 2 O|| 138-95 | 548-9) 57-7 | 785-5| 56-7 | Sept. 0} 134-00 || 538-4 
5 O|] 127-17 | 542-9] 60-8 | 800-1] 59-4 0] 128-97 || 548-0 
20 O|| 125-03 || 535-6] 59-2 | 746-4] 59-1 0}, 123-95 || 536-5 
23 0|| 130-78 || 527-5] 60-4 || 762-5] 59-9 0} 126-43 || 526-1 
Sept. 14 2 O] 133-60 || 541-2) 63-4 763-7| 62-3 | Sept. 0} 132-13 || 541-6 
5 0] 129-56 || 550-6| 65-4 | 766-0] 64-2 0} 128-65 || 547-3 
20 0|| 126-68 | 530-1] 60-6 | 762-6| 60-7 0} 122-82 | 539-0 
23 0|| 131-49 || 529-4) 60-6 | 758-6| 60-7 0) 135-65 || 503-7 
Sept. 15 2 0] 134-47 || 540-4) 63-6 | 757-7 62-8 | Sept. 0} 133-51 || 536-6 
5 0|| 127-20 || 538-6| 65-0 || 781-5] 64-2 0|| 128-23 || 544-6 
20 0|| 133-98 || 528-7| 59-6 || 758-7) 59-7 0|| 127-63 | 524-5 
23 0|| 134-30 | 530-8] 60-8 || 768-3} 60-6 0], 126-25 || 531-2 
Sept. 16 2 0] 136.22 | 536-8) 63-9 || 789-6 63-0 | Sept. 0|| 131-45 || 531-7 
5 0|| 128.97 | 542-2] 65-8 || 791-0| 64-7 0} 130-50 || 528-1 
20 O|| 131-32 | 536-7) 59-4 || 708-8| 59-7 0|| 126-43 || 531-8 
23 0|| 136-50 || 528-3] 60-7 || 753-0| 60-5 0} 129-17 || 523-7 
Sept. 17 2 0]] 133-62 | 542-4] 62-3 || 780-5) 61-7 0} 130-80 || 535-9 
5 0] 129-37 || 541-5| 62-5 || 799-1} 62-2 0|| 129-01 | 538-7 
Sept. 18 20 0] 130-45 || 528-5| 53-4 || 773-6| 53-6 0} 126-94 || 536-2 
23 0] 132-27 || 526-2) 53-8 || 789-7| 53-8 0) 127-90 || 528-0 
Sept.19 2 0] 133-73 || 542-8] 55-9 || 778-2] 59-4 0} 132-25 || 538-0 
5 0O|| 127-70 || 542-9] 60-1 || 790-0] 58-4 0} 130-25 || 536-1 
20 0] 124-62 || 529-2) 54-0 | 776-1) 54-1 0|| 124-93 || 536-1 
23 O]| 135-45 || 524-1| 54-8 | 764-7] 54-7 0} 128-40 || 520-1 
Sept.20 2 0]| 137-83 || 550-2) 58-5 || 756-7] 57-5 0} 133-77 || 539-8 
5 0] 135-52 | 545-5] 62-4 || 791-5) 60-4 0} 129-78 || 546-6 
20 0] 135-42 || 525-5} 50-4 || 756-7] 50-8 0| 125-82 || 535-3 
23 O}} 133-13 || 521-9] 52.3 || 777-2) 52-6 0} 127-58 || 526-6 
Sept.21 2 0] 137-30 || 539-0| 58-6 || 768-6) 58-1 0} 132-27 || 540-7 
5 0] 130-75 || 544-3] 61-4 || 808-2] 60-4 0} 132-77 || 547-7 
Birizar. k=0:0001248 g=0°000304=2-44 Seale divisions. 
DECLINATION. 
Sept. 234 65, 153°. 
BaLANcE, April 174—Oct. 84 k=0:0000130 g=0:000073=5'60 Micrometer divisions. 
Torsion removed. 
Sept. 264 21, 146°. 
Circle reading 147°. 
Oct. 34 21, 157°. 
Sept. 92 6, 147°. 
Sept. 124 214, 127°. 
Sept. 204 5» till 21¢ 8h, 
Extra observations hourly. 
Sept. 
164 204, 
61-1 
61-7 
62-5 
62-7 
56-4 
57-2 
58-2 
58-5 
54:3 
53-9 
54-0 
59-2 
51-8 
54-0 
58-8 
62-2 
52-6 
52-8 
54-6 
57:5 
50-5 
50-2 
57-8 
59-3 
50-2 
51-0 
53-0 
59-3 
48-2 
48-0 
52-6 
54-4 
47-3 
47-6 
50-1 
52-3 
51-7 
51-7 
52-1 
52-3 
44-3 
44-0 
47-6 
51-0 
46-1 
47-1 
50-6 
52-5 
137°. 
