BALANCE 
Corrected. 
BIFILAR 
lorrected. 
Min. 
13 
18 
23 
28 
33 
43 
53 
Mic. Div. 
406-9 
407-5 
408-8 
408-4 
408-7 
408-5 
404-7 
404-4 
409-0 
410-0 
409-6 
403-6 
405-8 
417-8 
428-3 
427-0 
424-6 
428-2 
419-5 
408-5 
394-8 
392-2 
380-7 
379-0 
375-6 
380-6 
374-2 
374-0 
378-0 
lin. | Sc. Div. 
551-0 
384-0 
383:3 
374-0 
462-2 
452-6 
427-1 
426-4 
423.7 
430-7 
429-9 
427-0 
422.6 
419-4 
415-2 
412-4 
410-8 
410-3 
410-3 
422.8 
438-3 
472-1 
463-1 
459-6 
506-7 
518-3 
517-9 
435-1 
437-4 
14 
15 
16 
12 
3 
17 16 
Aug. 84 11419, 
. AND MET. oBs. 1845. 
EXTRA OBSERVATIONS OF MAGNETOMETERS, AuGusT 1—31, 1845. 109 
BIFILAR BALANCE Soi. BIFILAR BALANCE 
DECLINATION. Corrected. Corrected. ee DECLINATION. Corrected. Corrected, 
Min. 2 f. Min. | Se. Diy. || Min. | Mic. Div. CAN 8 Min. = is Min. | Se. Div. Min. | Mic. Div. 
0 | 25 06-12]) 2 } 535-3 3 | 444-9] 17 16 || 20 | 25 01-61) 22 | 542-5]! 23 | 375-6 
0 16-08 2) 531-9] 3 | 432.7 30 00-87 || 32 | 535-6 || 33 | 388.5 
15 15-44 || 17 | 530-9] 18 | 430-8 45 02-42 || 47 | 535-1 || 48 | 399-1 
30 14-53 | 32 | 532-1] 33 | 429-7] 17 17 0 01-95 2 | 538-4 3 | 404-0 
0 13-36 2 | 534-8] 3 | 425-9 35 06-79 || 37 | 519-3] 38 | 421-1 
> ee ee — 17 18 0 11-10 2 | 525-6] 3 | 425.2 
0 | 25 06-14 2 | 527-3 3 | S255) || - 
16 15-07 || 17 | 527-1] 18 22 14 0 | 25 02-01}} 2 | 538-1 3 | 447-5 
0 08-19 2) 527-7] 3 10 01-41 |} 12 | 536-1) 13 | 448-5 
7 e2es — 20 01-95 | 22 | 536-8 |) 23 | 449.6 
0 | 25 12-83 2) 542-3] 3 30 02-64 || 32 | 534-9 || 33 | 452.0 
15 09-76 || 17 | 541-1] 18 22 15 0 04-98 || 2 | 536-4 3 | 455-2 
30 08-18 || 32 | 542-0} 33 -—— las 
45 05-42 || 47 | 540-5 || 48 24 16 0 | 25 14-21 2 | 539-4|| 3 | 430-7 
0 04-56 || 2 | 529-8] 3 10 13-79 || 12 | 546-3 || 13 | 420-7 
10 06-63 || 12 | 532-6] 13 30 07-10 | 32 | 547-5) 33 | 411-5 
20 10-33 || 22 | 535.2] 23 24 17 0 03-40 2] 543-5 3 | 418-1 
30 12-42]! 32 | 534-6 || 33 SS 
45 17-83 || 47 | 537-8] 48 26 4 0 | 25 16-62]} 2 | 562-0 3 | 466-1 
51 21-90 || 53 | 534.9] 54 37 18-84 || 38 | 545-5) 39 | 491-5 
55 24-79 || 57 | 533-3 58 40 19-12 || 42 | 550-9 || 43 | 491.2 
0 26-16 || 2 | 532-9] 3 26 5 0 17-76 || 2 | 552-1 3 | 503-4 
5 25:02] 7 | 531-9] 8 (a psees 
10 22-64 |) 12 | 533.2)| 13 28 12 0 | 25 03-84|| 2 | 540-2) 3 | 446-0 
15 18-70 || 17 | 535-2|| 18 15 06-64 || 17 | 544-2) 18 | 444-0 
20 15-22} 22 | 538-0] 23 35 04-61 || 37 | 541-8 || 38 | 440-4 
25 12-98 || 27 | 539-5 || 28 28 13 0 05-72|| 2 | 542-9] 3 | 432-3 
30 11-64 || 32 | 539-6) 33 _-———_}—_—_—__| _——_ 
35 11-64 || 37 | 538-8], 38 29 3 0 | 25 22-98 2 | 560-9] 3 | 462.5 
0 07-20) 2 | 540-6] 3 10 23-12 |) 12 | 552-0|| 13 | 465-3 
30 06-39 || 32 | 540-3 || 33 20 21-36 || 22 | 534-1) 23 | 471-2 
0 06-26 || 2 | 537-5 3 25 20-80 || 27 | 529-6 || 28 | 472-2 
See ——— 35 16-93 || 37 | 537-2) 38 | 453-8 
0 | 25 00-69|| 2 | 550-6) 3 29 4 0 | 25 14-87|| 2 | 553-3 3 | 477-4 
5 00:96 || 7 | 546-8] 8 208 bi 0 | 24 51-16|| 2) 549-9] 3 | 493.4 
10 00-51 || 12 | 544.3) 13 5 48-58) 7 | 560-1 8 | 494.4 
———|—____—__|_ —__ — 10 46-41 || 12 | 568-7 || 13 | 493-8 
0 | 25 22-80 2| 513-7] 3 15 46-11 || 17 | 578-1 || 18 | 489-6 
25 21-86 || 27 | 555-8 | 28 20 50-25 || 22 | 574-9 || 23 | 489.3 
35 21-23 | 37 | 565-6) 38 25 52-91 || 27 | 569-7 || 28 | 489.8 
45 20-52 |) 47 | 568-1] 48 30 45-56 || 32 | 559-1] 33 | 493-2 
55 20-89 || 57 | 572-6|| 58 40 57-84 || 42 | 552-4) 43 | 494.5 
0 19-86 || 2] 563-6) 3 50 | 24 57-84 || 52 | 545-1]! 53 | 494.0 
15 19-28} 17 | 542-3] 18 29 8 0 | 25 01-78 2] 548-1 3 | 490-6 
25 18-25 || 27 | 537-6] 28 20 01-41 || 22 | 542-1 || 23 | 484-6 
35 17-42 || 37 | 541-3] 38 40 05-32 || 42 | 534-4 || 43 | 477-7 
45 16:75 | 47 | 546-1] 48 29 9 0 04-08 2] 531-9 3 | 461-0 
0 15:94] 2] 550-8] 3 15 03-74 || 17 | 515-7 || 18 | 440.0 
— 20 | 25 01-21 || 22 | 511-8]| 23 | 418-5 
0 | 25 01-34]| 2 | 531-8 3 25 | 24 59-57 || 27 | 530-2|| 28 | 386-5 
10 00-67 || 12 | 526-8] 13 30 57-31 || 32 | 512-3]! 33 | 349-5 
0 04-91 2| 537-8] 3 35 53-11 || 37 | 511-9} 38 | 327-3 
0 16-15 Fil DORR Wt 40 43-65 || 42 | 515-1) 43 | 285-0 
15 20-11 || 17 | 550-8 || 18 45 46-73 || 47 | 521-7] 48 | 244-1 
20 23-21 || 22 | 557-5 || 23 50 52-20 || 52 | 519-7) 53 | 206-1 
25 23-27 || 27 | 555-8 || 28 * 55 46.41 || 57 | 496-3 
30 20-99 || 32 | 552.0] 33 29 10 0 | 24 45-87 2 | 508-5 3 | 224.5 
35 18-16 | 37 | 549-3] 38 ——— —__ —_ —_ — 
50 11-24] 52 | 547-2] 53 31 15 0 | 25°17-12 2| 525-4] 3 | 418-1 
0 08-25 || 2) 548-2] 3 10 17-49 | 12 | 528-6] 13 | 406-1 
10 04-84 || 12 | 547-7] 13 30 13-91 || 32 | 531-8 || 33 | 383-2 
BIFILAR. k=0-000140. BaLance. k=0:000010. 
* See notes on the Aurora Borealis, after the Extra Observations of Magnetometers. 
The magnets moving irregularly at intervals. 
25 
