Extra OPSERVATIONS OF MAGNETOMETERS, OcTOBER 8—NOVEMBER 17, 1846. 339 
BIrILar BALANCE Gott. BIFILAR BALANCE Gott. BIFILAR v 
Gorrceted: Cneeted! ween DECLINATION. Corrected. Corrected. Mean DECLINATION. Corrected. eee. 
ime. Time. 
Min, | Se. Div. || Min. |Mic. Div. rs - Min.} 2° ¢ Min. | Se. Diy. |} Min. |Mic. Div. a Pas Min.| ° ¢ Min, | Se. Div. || atin. {Mic. Div. 
ct. ct. 
22 | 474-4|| 23 -120-1] 8 3 || 24) 24 46-33]| 24 | 638-4) 24 | 700-4] 9 19 | 10 | 25 16-95}! 12 | 535-0]| 13 | 147.3 
27 | 473-7|| 28 |-161-3 25 47-42 || 25 | 644-0]| 25 | 681-4 40 18-77 || 42 | 533-8 || 43 | 174-0 
82 | 481-7|| 33 178-6 26 48-70 || 26 | 647-7|| 26 | 664-1 9 20 0 11-98 2 | 534-5 3 | 189-0 
37 | 464-5 || 38 |-147.7 27 53-47 || 27 | 646-7 || 27 | 666-0 
42 | 462.2|| 43 |—79-3 29 | 24 56-97 || 28 } 647-3]| 28 | 669-9] 10 4 0 | 25 15-27 2 | 551-1 3 | 578-7 
47 | 488-3 | 48 |— 45-3 30 | 25 01-04}) 30 | 645-5/| 30 | 662-3 20 13-63 || 22 | 552-3 || 23 | 550-6 
52 | 504-6) 53 |—34-9 32 | 641-1|| 32 | 664-1] 10 5 0 11-66 2 | 555-6} 3 | 522-0 
57 | 494.9] 58 —34.9 35 04:78 || 37 | 654-9|| 38 | 766-8] 10 6 0 04-91) 2 | 544-1 3 | 432-1 
2 | 509-6 3 |-49-3 40 15-91 || 42 | 647-0]} 43 | 805-1} - = : poe 
7 | 508-3 a | || 45 11-64 || 47 | 630-4|| 48 | 774.3] 13 7 0 | 24 53-95 2 | 565-3 3 | 357-6 
12 | 509-0|} 13 |+10-9 50 | 25 07-17 || 52 | 603.4|| 53 | 735-1 10 | 24 56-10|) 12 | 560-4] 13 | 358-6 
47 | 525-9|| 48 4163-7 55 | 24 57-81 || 57 | 617-3|| 58 | 636-7] 13 8 0 | 25 02-66 2 | 547-2 3 | 358-7 
2 | 506-0 3 | 189-8} 8 4 0 | 25 14-71 2 | 610-1 3 | 666-6 — 
2 | 533-7 3 | 295-9 5 20-32 7 | 593-4 8 | 717-9] 22 6 0 | 24 47-66) 2] 537-6] 3 | 395-6 
12 | 535-6] 13 | 313-1 10 07-20 || 12 | 588-7 || 13 | 682-4 5 38-80 || 7 | 543-1] 8 | 383-1 
12) | 537-4 3 | 331-3 15 08-85 | 17 | 594-7|| 18 | 642-1 10 34-63 || 12 | 569-2) 13 | 369-3 
pa 540-8 | 3 | 342.6 20 11-84 || 22 | 583-2|| 23 | 631-9 15 39-38 || 17 | 579-4) 18 | 365-9 
82 | 534-3 || 33 | 471-8 25 10-83 || 27 | 571-5|| 28 | 606-9 20 46-08 || 22 | 573-7} 23 | 365-3 
2} 500-9 3 440-4 30 11-77 || 32 | 568-1} 33 | 606-1 30 55-29 | 32 | 555-3) 33 | 363-0 
2 | 565-1 3 | 516-4 40 17-91 | 42 | 572-1)| 43 | 640-7 45 52-24 || 47 | 527-2]! 48 | 376-4 
“17 | 566-5) 18 | 535.8 45 08-80 || 47 | 577-6|| 48 | 621-5] 22 7 0 | 24 53-00 2) 534.4 3 | 375-7 
| 22 | 593-0] 23 | 549-5 55 14-40) 57 | 571-6|| 58 | 619-4 30 | 25 00-60) 32 | 538-5 || 33 | 360.4 
| 24 | 591-4 8 5 0 16-55 2 | 590-9 3 | 707-2} 22 8 0 02-84 | 2 | 541-7 3 | 360-6 
27 | 590-9|| 28 | 578-1 5 07-79|| 7 | 591-9|| 8 | 700-4} 22 9 || 45 02-15 || 47 | 548-7|| 48 | 259.9 
32 | 619-9|| 33 | 597-7 10 01-38 || 12 | 569-5|| 13 | 629.4 50 02-28 | 52 | 551-7] 53 | 259-4 
| 34 | 621-8 15 00-47 || 17 | 559-6} 18 | 596-0] 22 10 0 03-70 | 2) 555-6 3 | 266-1 
37 | 628-1] 37 | 601-7 20 01-58 | 22 | 548.6}) 23 | 584-5 —|——'|—_- 
39 | 621.7 25 00-17 || 27 | 554-9]| 28 | 585-2] 24 8 | O |} 24 51-52 2 | 566-2 3 | 322-7 
42 | 622.8|| 43 | 644-1 30 | 25 02-19|| 32 | 553-4]| 33 | 618-9 10 | 24 54-75 || 12 | 581-9}| 13 | 315-9 
44 | 675-9 40 | 24 48-43 || 42 | 544.9|) 43 | 614.4] 24 9 0 | 24 59-46) 21 550-4 3 | 319-2 
47 | 641-0|| 48 | 705-0 45 49-91 || 47 | 541-3]! 48 | 578-6] 24 10 0 | 25 03-20 2 | 552-7 3 | 318-8 
49 | 641-7 50 50-38 || 52 | 540-5|| 53 | 570-8 _| — 
| 52 | 643-6]| 53 | 738-6 55 47-56 || 57 | 554-4|| 58 | 550-4] Nov. 
54 | 649-2 8 6 0 51-59 2 | 546-0 3 | 5444] 7 8 OQ | 25 00-74 2 | 540-1 3 | 334-9 
56 | 659.9 5 51-59 7 | 545-5 8 | 545-6 15 | 24 56-60] 17 | 536-4]) 18 | 348-1 
57 | 669-5 || 58 | 722-6 10 48-83 | 12 | 547-3]| 13 | 542-7 | 40 56-61 || 42 | 531-6] 43 | 339-0 
59 | 683-1 15 45-89 || 17 | 567-0|| 18 | 519-9} 7 9 || 50 46-32) 52 | 518-6] 53 | 267-9 
0 | 763-2 20 53-54 || 22 | 561-7 || 23 | 510-1 55 46-11] 57 | 517-4] 58 | 256-5 
1 | 684-8 | 25 57-84 | 27 | 545-3]) 28 | 509-7] 7 10 0 46-68 2 | 520-6|| 3 | 251-6 
3 | 680-1 3 | 831-8 30 55-26 || 32 | 539-0|| 33 | 502-6 10 49-75 || 12 | 515-0} 13 | 246.8 
4 | 684-7|| 4 | 843-0 41 55:76 || 42 | 547-9]! 43 | 478-0 =| | 
5 | 692-9|| 5 | 837-6 50 | 24 58-49 || 52 | 542-3]] 53 | 477-4117 6 0 | 25 13-30 2 | 564-3 3 | 286-3 
6 | 699-0) 6 | 831-9} 8 7 0 | 25 02-01 2 | 536-9 3 | 472-6 30 37-95 || 32 | 544-8 || 33 | 457-9 
7 | 695-0|| 7 | 786-9] 8 8 0 06-21 2 | 532-1 3 | 429.2 aio 37-64 | 37 | 626-9 
8 | 693-3 8 | 752-1 10 03-94 || 12 | 546-5]! 13 | 402.4 37 31-82 | 38 | 655-9) 38 | 673-5 
9 | 680-5 9 | 717-5 20 08-82 | 22 | 528-7|| 23 | 402-3} 39 27-17 || 39 | 662-2 
10 | 686-3] 10 | 729.7 25 04-04 || 27 | 532-4]/ 28 | 395-4 40 | 646-4) 40 | 704-4 
11 | 696-3 || 11 | 732-6 35 03-77 || 37 | 534-8 || 38 | 390-7 41 21-53 | 41 | 620-2 
12 | 696-8 |) 12 | 743-8 50 02-22 || 52 | 539-8]! 53 | 382-4 42 | 622-7) 42 | 688-1 
| 13 | 690-3] 13 | 774-9} 8 9 0 03-13 2 | 545-4 3 | 375-5 43 16-90 || 43 | 625-0 
14 | 681-5|| 14 | 791-7 30 05-45 || 32 | 534-4]) 33 | 352-7 44 | 620-9 || 44 | 685-2 
| 15 | 681-3] 15 | 781-6} 8 10 0 05-18 2 | 538-1 3 | 344-1 | 45 | 16-77 || 45 | 626-0 
ir | 682.0] 17 | 74 Ee Bae te | 47| 194a| a7 | 669 
: : Oi | F 39-8 || 47 ; 
18 | 657-4| 18 | 7315] ° ©| 0] 25 1067) 2 | s45:5]) 2 | s82-7| 48| 20.85] 48 | 6880| a3 | oss 
19 | 688-4|| 19 | 711-4 i e ee 4 . 5 . 
20 | 674.6|| 20 | 705.0) 9 19) 9) O75) 2) 550-1) 3 | 329-5 50 | eel su eer al\ so | e953 
21 | 653-4] 21 | 717-9 51 19-78 | 51 | 648-8] 51 | 697-1 
22 | 631-0] 22 | 729-6] 9 18 0 | 25 04-64 2 | 558-5 3 95-9 | 52 | 18-16 || 52 | 639-3 || 52 | 698-6 
23 | 626-2]| 23 | 721-2] 9 19 0 16-72 2 | 539-5 3 | 138-0 53 17-60 || 53 | 636-0! 53 | 708-7 
BirinarR. k=0-000135. BaLANcE. k=0:000010. 
