338 ExTRA OBSERVATIONS OF MAGNETOMETERS, SEPTEMBER 22—OcTOBER 8, 1846. 
Gott. || Birmar || Bavance Gott. BIFILAR BALANCE 
Mean | DecuINation. Corrected. Corrected. Mean DECLINATION, Corrected. Corrected. 
Time. | Time. 
dad. oh |) ; f. | Min. | Sc. Div. || Min. |Mic.Div.} 4. h. a 7, Min. | Sc. Div. | Min. | Mic. Div, 
Sept. | | | Sept. 
22 9 || 15 | 24 47-69] 17 | 440-7|| 18 |-33-3] 28 9 25 01-95|| 2 | 535-3] 3 | 359-9 
i 50-51 | 22 | 432-8 23 |—47-6] 28 10 02:01|| 2 | 547-1]| 3 | 352-6 
| 53-71 || 27 | 414-7|| 28 |- 64-3 = —— 
55-09 || 32 | 395-2|| 33 |—83-7] 30 8 25 00-17|| 2 | 552-5] 3 | 344-3 
57-64 | 37 | 372-0] 38 |-116-5] 30 9 24 54.41|| 2) 557-5|| 3 | 336-5 
54-95 | (out jof field) 43 135-2] 30 10 25 01-95) 2 | 546-2] 3 | 351-3 
54-12 | | 48 |-105-7 2 tsa) 
51-32 | | 53 |—68-4] Oct. | 
47-35 | | 58 |—71-1] 1 8 24 49:77|| 2 | 545-7]| 3 
22 10 || 47-59 4 | 374. 3 |—21-6 24 58-38 || 32 | 550-8 || 33 
| 22-84 || (out lof field)) 8 |—60-4] 1 10 25 03-85 || 2 | 549-8] 3 
24 4.91} EI oo po Je 
I 23 57-51| rai | 24 48-30]| 2 | 555-7]; 3 
i 53-18 123] — 60-9 55-76 || 17 | 545-1] 18 
i 57-35 57-58 || 42 | 546-8) 43 
| 56-88 143/—77-8] 2 8 57-24|| 2 | 636-9] 3 
51-43 | 2 10 53-52|| 2 | 539-7] 3 
51-38 | 163|-106-3 51-86 || 12 | 546-6] 13 
i 57-25 || (out lof field) 173-144-6 50-65 || 22 | 541-3] 23 
55-09 48.45 || 32\| 534.4 |) 33 
23 59-17 46:31 || 42 | 535-1]) 43 
20 | 515-8|| 20 |-198-8 | 46-34 || 52 | 538-0] 53 
| 22 | 502-9|| 22 |-287-8] 2 11 46-19 || 2 | 539-4] 3 
| 24 25-02] 24 | 476-9] 24 |-356.3 48-23 || 12 | 527-3] 13 
| 36-65 || 26 | 440-3]|| 26 |-361-3 48-23 || 22 | 527-1]) 23 
\ 45-60 || 28 | 440-4|) 28 296.8 = —_——_ — 
49-41] 30 | 476-1|| 31 |-164-8] 7 7 24 53.58|| 2] 549-8] 3 
46-95 || 33 | 505-7|| 334)—98.3 50-08 || 12 | 553-5 || 13 
39:72|| 35 | 511-2)) 35 |-114.3 55-83 || 22 | 546-4 || 23 
41-57 || 37 | 506-2|) 37 |-124-3] 7 8 56:70|| 2 | 525-8] 3 
| 47-62 | 39 | 518-2) 39 120.3 30-60 || 9 | 538-9 
i 49-64] 41 | 513-2]] 41 |—72.8 33-37 || 12 | 541-4|| 13 
| 47-82|| 43 | 518-4 || 43 |—61-8 34-97 16 
49-37 || 45 | 523-2] 45 |—52.3 17 | 555-8|| 18 
49-95 || 47 | 525-0) 47 |—32.3 19 | 560-1 
50-62 | 49 | 520-9) 49 |—18-3 38-71 || 22 | 567-2|| 23 
| 51-96 || 52 | 519-2] 53 |— 0-8 24 49.27 || 27 | 563.3 || 28 
| 54-36 || 57 | 517-4|) 58 |4+ 2.7 25 04-08 || 32 | 543.0]| 33 
22 11 | 24 55-29] 2 504-2]| 3 |—21.3 15-17 || 37 | 502.9|| 38 
25 00-50] 7} 513-9] 8 |— 9-3 39 | 499.3 || 
03-43 | 12 | 517-2] 13 |— 5-4 25 09-46 || 41 | 495.7 
05-96 || 17 | 512-2] 18 |—28-0 42 | 497-0} 43 
04-98 || 22 | 516-9|| 23 |—15:3 24 44.73|| 44 | 505-8 
| 43-82 || 47 | 525.9|) 48 
22 18 | 18-47 || 2 | 540-6] 3 |+210-4 44-12|| 49 | 534.6 
| 10-20 || 22 | 543-8 |) 23 | 222.2 44-90 || 52 | 537-0]) 53 
22, 19 | 03-301 7 | 546-3]| 8 | 263-3 43.45 || 57 | 537-4]) 58 
22 20 | 25 02-42] 2 | 536-5]) 3] 301-1] 7 9 | 50-51|} 2] 530-5|| 3 
a — | 51-46|| 7 | 530.8] 8 
24 8 | | 24 52-571 2] 571-3) 3 | 344-6 51-02 || 12 | 538.2]| 13 
| 25 00-10 | 12 | 554-1] 13 | 351-9 52-33 || 17 | 536-7 |] 18 
| 24 58-42) 27 | 547-3|| 28 | 355-6 54-41 || 32 | 542.4 |) 33 
24 9 | 25 04-68] 2 | 549-1) 3 | 355-3 56-01 || 47 | 524-1 || 48 
24 10 25 00-40|} 2 | 548-0] 3 | 360-5] 7 10 55-53] 2 | 524.0]) 3 
~t | ——|—_|__|-— 24 56-03 || 17 | 537-9] 18 
28) 7 24 56-23]| 2] 581-4) 3 | 350-7 
52-57 | 12 | 563-8] 13 | 348-4] 7 18 24 50-08|| 2] 558-4]) 3 
51-39 || 22 | 567-4|| 23 | 344.9 24 58-82|| 7 | 477-2]| 8 
| 30 | 24 54-43) 32 | 565-0 | 33 | 345-1 | 25 04-53 || 12 | 488-5 |] 13 
28 8 | 25 00-94} 2] 547-0] 3 | 358-8 12-45 || 17 | 492-5 || 18 
BirinarR. k=0:000135. BALANCE. k=0-000010. 
DECLINATION. 
Min.) 09 7 
20 | 25 11-30 
25 12-92 
30 07-60 
35 08-34 
40 11-71 
45 13-32 
50 20-05 
55 20-32 
0 17-15 
5 13-49 
| 10 10-47 
45 02-22 
0 06-32 
0 06-56 
10 09-08 
0 09-62 
0 13-29 
30 17-42 
0 21-39 
0 20-42 
15 20-85 
20 23.41 
25 27-31 
30 21-83 
35 18-84 
40 23-78 
45 18-34 
50 16-62 
55 13-56 
0 21-46 
2 16-18 
4 10-27 
5 08-61 
6 06-79 
7 00-77 
8 03-60 
9 06-86 
10 09-26 
vd 12.25 
12 18-63 
14 09-44 
15 03:37 
16 04-10 
17 03-97 
18 04-58 
19 08-18 
20 09-76 
21 06-36 
22 | 25 01-01 
23 | 24 49-62 
224 9b 35m, 
The bifilar scale again went out of sight, it just came into sight at 10 4™, and did not reappear again till 10 20”. 
