330 EXTRA OBSERVATIONS OF MAGNETOMETERS, May 11—13, 1846. 
BIFILAR BALANCE Gott. BIFILAR BALANCE | 
DECLINATION. Corrected. Corrected. boing DECLINATION. Corrected. Corrected. DECLINATION, ! 
Min. ‘a # Min. | Sc. Div. || Min. | Mic. Div,] M h. Min. P ue Min. | Sc. Diy. || Min. | Mie. Diy. Min. 
ay. 
50 | 24 54.62|| 52 | 554-3 || 53 | 258-6] 12 4 || 35 | 25 16-48 || 37 | 565-3|| 38 | 446-6 5 
0 | 25 00-33 2 | 554-1 3 | 261-0] 12 5 0 09-66 2 | 563-3 3 | 457-1 
30 | 24 58-58 || 32 | 549-4|| 33 | 263-8] 12. 6 0 06-61 2 | 643-9 3 | 483-3 10 
50 58-89 || 52 | 525-0|| 53 | 279-5 5 13-29 7 | 627-3 8 | 528-1 15 
55 57-41 || 57 | 514-5 || 58 | 282-3 10 03-02 || 12 | 610-9|| 13 | 505-4 20 
0 58-63 2 | 508-2 3 | 286-7 15 08-85 | 17 | 602-6|| 18 | 482.7 25 
4 | 503-0 20 04-91 | 22 | 603-1 || 23 | 480.2 30 
5 | 24 59-76 7 | 502-8 8 | 291-1 25 04-44 | 27 | 604-7 || 28 | 479-0 
10 | 25 01-48 )) 12 | 501-2]| 13 | 293-2 30 05-08 | 32 | 603-4]! 33 | 473-5 35 
15 00-87 || 17 | 507-7}; 18 | 291-8 35 06-26 | 37 | 598-5|| 38 | 465-7 
20 01-27 || 22 | 502-5]| 23 | 301-2 45 | 25 10-75 | 47 | 603-9|| 48 | 484-7 40 
25 03-20 || 27 | 494-5 28 | 294-4 50 | 24 57-44] 52 | 639-1 ]) 53 | 477-9 
30 05-29 || 32 | 498-6|| 33 | 290-9 55 | 25 06-45 || 57 | 637-0] 58 | 413-2 45 
35 08-01 || 37 | 502-6]) 38 | 291-7] 12 7 0 | 25 17-61 2 | 572-8 3 | 412-9 47 
40 10-47 || 42 | 504-8 |) 43 | 291-4 4 | 566-9 50 
45 06-23 || 47 | 485-2 5 | 25 01-75 6 | 580-9 7 | 454-4 52 
48 | 483-5 || 49 | 292-3 8 | 606-9 
50 04-51 || 51 | 484-5 10 | 24 45-57 || 11 | 632-1 || 12 | 427-9 55 
52 | 482-5 || 53 | 292-5 13 51-14] 14 | 638.3 
54 | 476-4 15 54-82 16 | 407-2 0 
55 04-55 || 56 | 469-9 17 | 630-9|| 18 | 401-9 2 
57 | 466-1) 58 | 293-9 20 | 24 59-53) 22 | 623-6|| 23 | 390-1 4 
59 | 462-9 25 | 25 02-67 || 27 | 615-0|| 28 | 383-5 
0 01-19 1 | 467-3 30 04-37 | 32 | 603-9) 33 | 377-2 
2 | 472-7 3 | 292-0 35 06-26 | 37 | 604-8] 38 | 366-0 8 
4 | 477-9 40 16-65 || 42 | 566-0|| 43 | 367-6 10 
5 01-43 6 | 478-9 45 14-03 | 47 | 546-8] 48 | 380-7 13 
7 | 475-7 8 | 294-3 49 | 554-7 
10 03-55 || 12 | 482-5 || 13 | 294-2 50 | 25 00-33 || 52 | 561-7]| 53 | 393-4 
15 04-61 || 17 | 486-2]) 18 | 294-5 55 | 24 54-28 || 57 | 574-2|| 58 | 387-4 17 
20 11-44]} 22 | 494-5 || 23 | 296-1] 12 8 O | 24 56-18 2 | 577-8 3 | 375-6 19 
25 11-81 || 27 | 500-5 || 28 | 294-8 11 | 25 02-69) 12 | 564-4]! 13 | 394.2 21 
30 13-49 || 32 | 505-1]] 33 | 291-4 20 | 24 58-47 22 | 577-3|| 23 | 401-2 23 
35 11-71 || 37 | 509-9|| 38 | 287-0 30 | 25 04-98 || 32 | 564-0] 33 | 399.9 25 
40 11-84 || 42 | 507-4|| 43 | 286-6] 12 9 0 | 25 01-43 2 | 550-7 3 | 402-3 27 
45 13-56 || 47 | 516-6|| 48 | 283-2 35 | 24 59-64 || 37 | 536-7|| 38 | 310-3 29 
0 11-99 2 | 517-7 3 | 282-5 40 | 25 03-16 || 42 | 526-2]) 43 | 270-7 31 
30 11-00 || 32 | 517-1|| 33 | 290-6 45 07-91 || 47 | 512-7]! 48 | 246-2 33 
0 10:43 2 | 492.4 3 | 315-8 50 06-63 | 52 | 505-8|| 53 | 243-9 35 
10 12-82 || 12 | 505-8 13 | 315-2 55 | 25 00-94 |) 57 | 513-8|| 58 | 238-0 38 
15 14-08 || 1¥ | 494-5 || 18 | 320-0] 12 10 O | 24 58-16 2 | 520-8 3 | 219-6 40 
20 17-91 || 22 | 500-3|| 23 | 320-9 10 | 25 05-25 || 12 | 510-4]) 13 | 163-8 45 
25 16-92 || 27 | 504-1}; 28 | 320-3 15 09-32 || 17 | 503-5]| 18 | 122-0 50 
30 18-95 || 32 | 497-0|| 33 | 320-6 20 14-33 || 21 | 477-4]) 22 80-4 55 
35 18-55 || 37 | 498-3 || 38 | 324-4 23 | 474-9 || 24 70-2 0 
40 18-97 || 42 | 507-8|| 43 | 322.7 25 14-03 | 26 | 474-1 || 27 54-2 5 
45 20-20 || 47 | 504-4|| 48 | 325.3 28 | 477-0} 29 56-1 16 
50 19-53 || 52 | 511-9 30 14-50 || 31 | 510-6 || 32 78-5 
0 19-61 2 | 509-1 3 | 324-1 35 10-97 || 37 | 494-2]) 38 | 110-0 0 
| 25 19-31 || 27 | 518-9|| 28 | 327-4 40 03-23 || 39 | 488-8 30 
40 16-87 || 42 | 507-8] 43 | 334-5 41 | 25 00-58 || 42 | 503-1 |) 43 | 152-5 0 
50 17-39 || 52 | 509-7]! 53 | 335-7 45 | 24 52-17] 44 | 509.4 0 
0 16-41 2 | 522-8 3 | 335-3 46 51-76 | 47 | 507-7 || 48 | 151-6 30 
10 16-12 |) 12 | 524-2]| 13 | 336-0 50 48-83 | 49 | 505-9 0 
30 15-07 || 32 | 538-4|| 33 | 333-4 51 48-36 | 52 | 505-0|| 53 | 152-8 0 
45 15-79 || 47 | 530-3 || 48 | 337-4 55 46-72 0 
0 15-45 2 | 534-5 3 | 339-9 56 46-28 | 57 | 503-9|| 58 | 169.4 0 
i) 19-17 2 | 574-1 3 | 392-2} 12 11 0 43-65 0 
32 14-98 || 33 | 568-4 || 34 | 465-2 1 43-82 2 | 514-7 3 | 169-4 0 
0 10-06 2 | 555.4 3 | 486-5 4 | 518-3) 0 
Birinar. k=0:000135. BALANCE. k=0-000010. 
May 114 224 10™. Clock 238 slow, set right. 
