ExtTRA OBSERVATIONS OF MAGNETOMETERS, APRIL 5. 1843. 57 
| DECLINATION, BIFILAR. BALANCE. DECLINATION. BIFILAR. BALANCE. 
ech ime. vio Reading Min.) Reading | Min.| Reading ane Sin Reading Min.} Reading | Min.| Reading 
P of edaceds of Cor- of Cor- Ofmpeducad: of Cor- of Cor- 
Obs. Obs.| rected. || Obs.| rected. * Obs. Obs.| rected. || Obs.| rected. 
| a dad. oh. m. a Y m. Se. Div. m: Mic. Diy. dad. h. m. ‘ u m. Se. Diy. m. Mie. Diy. 
Apr. 5 5 || 204} 25 26-82) 214) 676- Agra sy t7Z 31 457-9 || 31 987-0 
} 223| 673- 233| 1161-9 323| 452-0 || 322) 1001-0 
i 244| 1185-3 34 | 25 32-20) 34 447-2 
254 57-07 | 263| 665- 35 28-57 || 35 447-7 
i 271| 661. || 282) 1162-9 3731| 456-1 372] 981-6 
| 293% 42-25 292) 1101-6 40 25-54 | 40 459-4 || 41 950-5 
303 '43-36 | 304| 648- 314] 1103-3 421| 471-8 |423|) 947-2 
/ 333 31-86 | 323) 644- 334] 1177-2 45 18-65 || 45 475-9 || 46 930-7 
343| 645- 473| 488-1 473] 922.2 
352 24.20 354| 1147-4 50 15-3950 | 498.2 
| 38 646- 38 | 1102-2 523| 503-7 523] 904.2 
| 403 44-23 |/403| 635-2 55 16-01 || 55 513-5 
} 43 632-0 ||43 | 1158-3 574| 510-6 ||573| 901-8 
' 4534 39-99 | 452) 631-5 Apr. 5 8 0 16-57 || 2 509-4 3 897-1 
ae 48 | 624-0 |48 | 1239.4 5 17-88] 7 | 493-6 || 8 | 886-7 
503 25-75 ||503| 606-2 10 20-52 || 12 495-1 || 13 881-7 
! 53 606-0 53 | 1188-5 15 20-77 || 17 490-1 || 18 860-7 
| 553 22-72)'573| 605-0 ||/583| 1148-7 20 18-95 || 22 490-5 || 23 851-3 
| 593| 1125-6 25 19-17 || 27 474-9 || 28 840-4 
pr. 5 6] 03 23:56] 32) 592-1 43| 1065-6 30 19-61 | 32 441-0 | 33 808-4 
12 os 30-99 || 74) 594-6 83] 1058-0 35 19-46 || 37 463-6 || 38 803-5 
| 10 43-68 | 12 572-4 ||13 | 1111-8 40 17-11 | 42 510-5 || 43 801-6 
15 33-57 | 15 553-5 45 14-82 | 47 494-4 || 48 826-7 
i |173| 559-5 || 174) 1067-4 50 15-02 || 52 466-7 | 53 802-1 
4 20 32-80 | 20 563-3 || 19 | 1055-7 55 12.04 || 57 483-4 | 58 806-1 
i 22 35-15 || 222| 559-0 | 223) 1032-5 | Apr, 5 9 0 10-82 || 2 460-3 3 771-4 
| 24 | 1029-4 5 14-93 || 7 476-0 8 764-0 
} 25 35-02 || 25 551-3 10 15-22 || 12 502-7 || 13 768-6 
| : : 274| 545-9 ||273| 1023-9 15 18-50 || 17 495-5 | 18 772-2 
| 30 30-85 | 30 547-7 20 18-33 | 22 485-4 | 23 756-6 
| @ 323} 557-4 | 322) 1023-8 25 18-10 || 27 478-6 || 28 739-0 
la 35 29-65 || 35 571-0 ||36 | 1043-3 30 15-83 || 32 465-8 ||33 708-7 
374| 558-0 || 373| 1040-0 35 15-19 || 37 445-3 || 38 672-9 
40 32-69 || 40 550-6 40 14-76 || 42 459-6 || 43 660-5 
| a 424| 553-1 ||424/ 1037-5 45 14-01 || 47 465-9 || 48 671-8 
| 45 31-01 || 45 570-2 ||46 | 1057-2 50 19-24 || 52 472-2 || 53 683-7 
4734| 577-5 ||473| 1061-6 55 20-99 | 57 467-3 || 58 679-2 
} 50 32-17 | 50 572-0 Apr. 5 10 0 20-47 || 2 468-1 3 679-5 
| a 523| 575-3 |523| 1073-0 5 16-23 || 7 461-8 8 692-3 
55 33:27 || 55 594-7 ||56 | 1095-1 10 16-20 | 12 482-5 | 13 700-1 
574| 618-8 | 573) 1104-0 15 15-79 || 17 518-4 || 18 697-2 
pr. 5 7) 0 37-88] 0 627-2 1 | 1124-0 20 18-65 || 22 496-8 || 23 673-7 
| 23] 612-7 2k] 1124-9 25 19-17 | 27 473-4 || 28 628-0 
| a 5 39-97 || 5 610-4 30 23-90 || 32 472-9 | 33 625-0 
ta 7%| 607-0 7k| 1113-3 35 25-52 || 37 451-0 | 38 618-8 
10 51-94|} 114} 558-5 || 11 | 1052-0 39 491-5 
an 123| 547-6 ||123| 1029-6 40 19-89 | 41 485-0 
f 14 58-62 42 477-8 |\43 660-7 
| 15 58-12) 15 568-0 || 16 | 1014-9 45 12-00 || 47 479-2 || 48 667-7 
| 173| 602-8 | 173) 1028-4 49 468-1 
/ 20 52-82 || 20 608-2 |/21 | 1068-3 50 7-73 || 52 481-2 | 53 638-4 
| 221| 584-2 ||/221) 1074-3 54 | 485-4 
| 25 58-25 || 25 553-0 ||26 | 1027-9 55 2-15 || 57 486-5 | 58 619-8 
27%4| 505-1 | 273) 1008-5 59 491-3 
30 50-15 || 30 467-3 Apr. 5 11 0 4-75 || 1 500-6 
Birizar. k=0:0001248. Batance. k=0:000015 approximately. 
Brritarn THERMOMETER, Br pectigs, UO evap |) [sit 
BALANCE spree aaneen| pee hig} eck { 5070 
April 54, See notes on the Aurora, p. 61. 
MAG, AND MET. ozs. 1848. P 
