7 
ExtrA OBSERVATIONS OF MAGNETOMETERS, May 12—Juty 11, 1846. 331 
H Gott. Gott. : 
BALANCE BIFILAR BALANCE BIFILAR BALANCE 
/ Shard Corrected. Mean DECLINATION. Corrected. Corrected. Mean DECLINATION. Corrected. Corrected. 
| Time Time. 
| Min. Se. Diy. || Min, |Mic. Div. a. h. |] Min.| 2°” Min. | Sc. Div. |) Min. |Mic.Div.J a. nh. || Min] ©” Min. | Se. Diy. || Min. | Mic. Div. 
ia May. June. 
| 7 | 518-1 8 | 167-6] 13 9 0 | 25 00-62 2 | 561-2 3 | 361-8] 22 14 O | 24 59-44 2 | 543-3 3 | 265-7 
| 9 | 525-4 13 10 0 04-34 2 | 543-2 3 | 353-8 35 | 24 55-06 || 37 | 550-4|| 38 | 269.7 
112) 517-5|| 13 | 184-3 14 8 gerd 25 11-41 2 | 576-1 3 | 371-5 22 15 0 | 25 05-15 2 | 526-0 3 eles 
17 | 513-4]) 18 | 197-2 14 9 0 03-90 2 | 552.0 3 | 351-8 10 12-98 || 12 | 525.7|) 13 | 298-4 
| 22 | 514-8 || 23 | 200-8 14 10 0 06-37 2 | 551-4 3 | 348.9 15 14-26 || 17 | 530-8 
2 512-5 || 28 | 165-9 20 14-60 || 22 | 534-7 |) 23 | 290-5 
} 489-0 || 33 98-7} 18 18 0 | 25 12-67 2 | 546-1 3 | 296-2 25 13-99 || 27 | 538-7 |) 28 | 284-9 
479-3 40 03-70 || 42 | 549-7 || 43 | 290-8 30 12:08 || 32 | 539-8 || 33 | 282-1 
36 | 457-7 || 37 91-9} 18 19 0 02-72 2 | 553-8 3 | 291-3 45 08-43 || 47 | 543-6 |) 48 | 283-9 
38 | 452-7 || 39 93-3} 18 20 0 02-05 2 | 573-0 3 | 317-9] 22 16 0 | 25 04.37 2) 548-0 3 | 282-6 
41 | 385-7 || 42 99-2 ad —— —— 22 17 0 | 24 58-69 2 | 527-6 3 | 347-5 
| 43 | 376-9|| 44 | 102-2] 23 4 0 | 25 15-14 2 | 583-8 3 | 396-4] 22 18 0 | 24 58-45 2 | 542-9 3 | 375-0 
| 46 | 401-5 || 47 | 106-7 32 | 607-0 || 33 | 427-2 —— | — 
) 386-8 || 49 | 102-0 35 06-83 | 37 | 614-0|| 38 | 431-7 July. 
401-2|} 52 | 102-4 40 08-45 || 42 | 614-9|| 43 | 438-4] 3 18 0 | 25 02-26 2 | 515-4 3 | 207-8 
63 | 417-2 45 09-19|| 47 | 607-0) 48 | 443-9} 3 19 0 | 24 59-66 2 | 529-0 3 | 262-6 
| 54 399-8 50 09-08 || 52 | 608-0 || 53 | 444.3 3 20 0 | 25 01-90 2 | 536-8 3 | 300-1 
1 56 | 418-6 || 57 73-3] 23 5 0 02-46 2 | 592-9 3 | 459-8 — ———||——_ — 
| 424.1 |) 59 52-2 10 01-11) 12 | 583-5 || 13 | 472-6 6 0 0 | 25 19-68 2 | 497-2 3 | 397-6 
1 | 423-2 20 03-74) 22 | 569-5 || 23 | 477-8 10 17-81 || 12 | 507-7) 13 | 395-6 
\ 2 39-7 30 03-02 |) 32 | 570-2} 33 | 478-9 20 11-93 || 22 | 527-5|| 23 | 390-2 
427-0 4 26-2 45 05-69 || 47 | 562-3} 48 | 475-6 30 14-15 || 32 | 538-5 |) 33 | 389-7 
424.1 6 5-21 23 6 0 07-10 2 | 562-0 3 | 413-2 40 13-64 || 42 | 547-9 |) 43 | 383-9 
433-3 | ——_———_ || — 6 1 0 12.22 2 | 554-7 3 | 371-5 
464.4|| 8 |+ 2-1] June. 
479-7|| 11 |-20-9} 2 8 0 | 25 01-09 2 | 549-4 3 | 440-5 6 10 0 | 25 01-29 2 | 558-2 3 | 404-8 
484.7 || 13 | -—43-1 5 | 24 55-29 7 | 545-7 8 | 453-3 10 | 24 55-73 || 12 | 566-8] 13 | 391-6 
479.0 || 15 |—93-6 10 47-62 || 12 | 560-2} 13 | 458-5 15 54-66 || 17 | 571-1] 18 | 387-0 
471-7 || 17 |-113-6 15 37-16) 17 | 587-6 || 18 | 441-3 20 54-77 || 22 | 574-6 || 23 | 378-7 
476-9 20 38-91 || 22 | 606-4} 23 | 430-3 25 | 24 58-63) 27 | 570-0]! 28 | 373-7 
19 |-115-7 25 47-79 || 27 | 590-8 || 28 | 430-0 30 | 25 02-13]| 32 | 558-4] 33 | 370-2 
30 50-49 || 32 | 580-3 || 33 | 434-9 —|——. -—— = 
23 |-—92-5 40 54-38 || 42 | 567-1 |] 43 | 436-0] 7 20 O | 24 58-52 2 | 536-6 3 | 366-7 
26 |-—63-0 2 9 0 | 24 58-42 2 | 561-0 3 | 422.9 25 | 24 57-64) 27 | 534-0]| 28 | 383-7 
2 10 0 | 25 01-61 2 | 549-4 3 | 387-2] 7 22 0 | 25 02-15 2 | 527-6 3 | 395-5 
29 |-18-1 =| —||—— —|—_ —-— |—_ | 
32|4+ 7-3] 9 6 0 | 24 59-66 2 | 604-0 3 | 507-1] 11 2 0 | 25 17-40 2 | 508-1 3 | 388-5 
10 | 24 59-23} 12 | 593-3}! 13 | 519-5 10 19-39 || 12 | 532-7|| 13 | 383-1 
35 11-8 20 | 25 00-44] 22 | 598-4}! 23 | 517-4 15 19-89 || 17 | 566-4|| 18 | 372-9 
37 21-8 45 07-54 || 47 | 579-1 |} 48 | 504-0 20 23-07 || 22 | 592-0] 23 | 364.6 
43 41-6] 9 7 0 07-10 Qo? 7 3 | 496-8 25 23-92 || 27 | 604-1 || 28 | 362-3 
48 60-0 a — 30 22.03 || 32 | 571-0]) 33 | 385-2 
53 88-3] 15 9 2 | 25 07-84 3 | 565-4 4 | 440-1 35 19-58 || 37 | 556-1]| 38 | 403-1 
58 95-7 45 | 24 59-51 || 47 | 558-6 |) 48 | 427-5 40 19-26 || 42 | 544-0]! 43 | 422-6 
3 | 116-1] 15 10 0 | 24 53-65 2 | 569-5 3 | 412-4 45 23-56 || 47 | 531-8]! 48 | 443.4 
8 | 129-2 10 | 25 01-04]) 12 | 559-8 || 13 | 409-4 50 23-61 || 52 | 506-5]} 53 | 463-4 
18 | 148-2 15 02-53 || 17 | 556-2 || 18 | 404-8 55 22-10 || 57 | 516-0]| 58 | 462-0 
|__—————|_— | ———_ oo — 11 3 0 24-82 2 | 552-2 3 | 454-9 
3 | 319-8] 18 18 0 | 25 12.22 2 | 533-0 3 | 386-2 5 27-62 7 | 553-5 8 | 463-6 
33 | 333-5 50 16-21]| 52 | 538-4} 53 | 355-3 10 25-47 || 12 | 559-8} 13 | 467-0 
3 | 347-4] 18 19 0 17-80 2 | 538-5 3 | 350-5 15 25-02 || 17 | 573-3]| 18 | 475-2 
3 | 353-2 15 19-84] 17 | 542-3] 18 | 345-9 20 25-80 || 22 | 591-3 |) 23 | 483-1 
33 | 351-3 20 18-94 || 22 | 544-0] 23 | 345-0 25 23-70 || 27 | 569-9 || 28 | 505-2 
3 | 354-6 30 17-53 || 32 | 545-6 || 33 | 344-4 30 21-24 || 32 | 565-9]! 33 | 516-6 
3 | 368-0 40 15-88 | 42 | 544-4|| 43 | 345-5 35 18-82 || 37 | 557-1|| 38 | 530-6 
3 | 377-4] 18 20 0 08-14 2 | 544-3 3 | 351-9 40 15-49 || 42 | 554-0|| 43 | 546-5 
3 | 404-6 —||— | ——_—_—__||——_ _—_ 45 16-57 || 47 | 555-7|| 48 | 558-9 
3 | 394.4] 22 13 0 | 25 16-15 2 | 535-5 3 | 266-9 50 14-33 || 52 | 560-2 || 53 | 567-7 
3 | 395-2 16 | 25 02-48] 17 | 537-4|| 18 | 246-4 55 13-99 || 57 | 573-6|| 58 | 563-9 
3 | 389-7 25 | 24 59-01 || 27 | 550-4|| 28 | 270-8] 11 4 0 15-29 2 | 577-7 3 | 568-2 
BIFILAR. k=0°000135. BaLANceE. k=0-000010. 
June 154 2h, 
Clock 265 fast, set right. 
