BALANCE 
Corrected. 
Min. | Mic. Div. 
33 | 459.4 
48 
d. 
h. 
30 14 
106 EXTRA OBSERVATIONS OF MAGNETOMETERS, APRIL 18—May 18, 1845. 
Gott. Biriuar BALANCE Gott. BIFILAR 
aan DECLINATION. Corrected. Corrected. Mean DECLINATION. Corrected. 
a oh. || Min.| ° « Min. | Se. Div. || Min. | Mic. Div. da. oh. || Min.| 2° ¢ Min. | Se. Diy. 
18 16 0 | 25 08-41 2 | 521-3 3 | 500-7} 27 14 || 30 | 24 59-19}) 32 | 536-8 
18 17 0 08-05 || 2 | 536-5 3 | 485-3 45 | 25 01-07 || 47 | 543-5 
30 05-32 2 | 534-3 || 33 27 15 0 | 25 01-01 2 | 535-4 
18 18 0 05-60 |} 2 | 534-1 3 30 | 25 02-55 || 32 | 527-2 
} 27 16 0 | 24 57-53 2 | 529-0 
19 5 | 0} 25 16.28 2 | 570-1 3 10 | 25 02-42] 12 | 526-8 
7 | 573-4|| 8 20 00-58 || 22 | 523-1 
22 | 572-4 || 23 30 01-88 || 32 | 508-9 
| 25 15-54 || 27 | 554-2|| 28 35 03-54 || 387 | 495-5 
| 30 15-51 || 32 | 547-1 || 33 40 03-87 || 42 | 484-4 
| 45 15-32 || 47 | 540-7 || 48 45 17-76 || 47 | 461-5 
19 6]| 0 12-72} 2] 547-6]) 3 50 23-41 || 52 | 509-4 
| 30 09-42 || 32 | 551-0 ]| 33 55 25-09 || 57 | 507-2 
19 7 0 11-51 2] 549-0] 3 27°17 0 21-32}| 2 | 487-6 
19. 9 0 Ol-11 2 | 538-4|| 3 5 19-24 || 7 | 504-5 
10 09-35 || 12 | 524-5 || 13 10 16-21 || 12 | 500-5 
15 08-97 || 17 | 528-7 || 18 15 13-39 || 17 | 502-0 
| 25 09-76 || 27 | 534-0] 28 20 13-16 |] 22 | 517-4 
30 10-60 || 32 | 534-0]] 33 25 10-40 || 27 | 522-2 
19 10 0 07-82|| 2 | 534-5] 3 30 09-37 || 32 | 524-6 
- = 35 07-34 || 37 | 529-7 
20°13 || O | 25 15-17] 2 | 519-6 3 40 08-92 || 42 | 521-6 
I 5 13-70|| 7 | 523-7] 8 45 07-02 || 47 | 523-3 
10 }* 12-38) 12 | 522-71)| 13 50 06-61 || 52 | 524-6 
15 09-79 || 17 | 529-6 || 18 55 05-06 || 57 | 526-3 
25 07-54 || 27 | 536-4 || 28 27 18 0) 05:49] 2 | 524-8 
30 07-13 || 32 | 537-0]| 33 10 03-87 || 12 | 525-7 
52 05-29 || 53 | 533-6]| 54 35 03-88 || 37 | 526-2 
20 14 0 04-32]! 2 | 530-5 3 27:19 0 02-50|| 2 | 523-6 
35 05-86 || 37 | 527-9 || 38 27 20 0 04-19} 2 | 528-1 
20 15 0 08-75|| 2 | 530-5], 3 10 04-51 || 12 | 522-2 
20 18 0 13-54 2 | 524-4 3 27 21 0 04-79 2 | 520.4 
16 14-13 || 17 | 529.3 || 18 27 22 0 09-93 2 | 510-7 
20 19 8 08-05 || 9 | 530-2} 10 10 12.62 || 12 | 509-5 
— 27 23 0 13-88 || 2 | 509-1 
25 2 0 | 25 24-12]| 2] 524-8] 3 —- 
42 23.54]| 43 | 532-8 |) 44 30 11 5 | 25 03-54]| 6 | 552-8 
25 3 0 24-80 2) 536-6], 3 15 07-31 || 17 | 544-6 
30 10-09 || 32 | 537-2 
25 11 0 | 25 10-16 2 |'553-1 3 30 12 0 07-76 || 2 | 538-1 
15 11-77 || 17 | 548-8 || 18 25 01-81) 27 | 534-8 
35 11-07 || 37 | 543-5]| 38 30° 00-80 || 32 | 534-6 
25 12 0 09-62 || 2:| 536-4 3 40 01-01 || 42 | 527-9 
— ———||—— — 50 | 25 00-10)| 52 | 522-4 
27 13 0 | 24 59-73]| 2 | 529-5 3 30 13 0 | 24 57-35], 2 | 518-1 
10 | 25 03-16}| 12 | 534-7 ]| 13 5 56-00 |) 7 | 518-2 
15 04-21) 17 | 524-6]! 18 10 56-30 |) 12 | 514-0 
20 03-70 || 22 | 528-0] 23 15 | 24 57-34]] 17 | 512-7 
25 05-09 || 27 | 527-9] 28 20 | 25 02-99 || 22 | 520-2 
30 04-82 || 32 | 534-0]] 33 25 07-37 || 27 | 520-1 
35 04-21 || 37 | 534-4] 38 30 07-25 || 32 | 516-0 
40 02-40 2) 534-6 || 43 35 06-16 || 37 | 520-0 
45 | 25 00-87 || 47 | 536-9]! 48 40 03-75 || 42 | 524-5 
50 | 24 59-53 ]| 52 | 537-6]| 53 45 | 25 01-76 47 | 528-2 
55 | 25 00-00 }| 57 | 535-1}| 58 50 | 24 59-03 || 52 | 528-1 
27 14 0 | 24 59-37 2) 545-4 3 | 55 58-63 |) 57 | 534-5 
5 | 25 01-68 7 | 544-0 8 30 14} O 56-90 2 | 533-2 
10 04-81 || 12 | 538-9] 13 5 56-70 7 | 536-6 
15 00-64 || 17 | 541-7 || 18 10 55-65 || 12 | 527-2 
20 01-68 || 22 | 540-5 || 23 15 53-92 || 17 | 522-0 
25 00-001 27 | 534-71] 28 20 51-27 || 22 | 517-1 
Birtmar. k=0:000140. 
BALANCE, k=0:000010. 
DECLINATION 
* May 144 12, 
April 254, 
May 164 5» 25m, 
Clock put right ; error previously — 28°. 
Instruments evidently slightly disturbed throughout the evening. 
sooooceo 
