a 
Hourty OBSERVATIONS OF MAGNETOMETERS, May 16—21, 1845. 27 
Gittingen BIFILAR. BALANCE. % _:| Gottingen Brrivar. BALANCE. % 2 
Mean Time || Decurna- eS] Mean Time || Decuina- |——_—_—||____,—_—__] 2.3 
of Declina- TION. Cor- |Thermo-|| Cor- |Thermo-|| % ‘= | of Declina- TION. Cor- Thermo-|| Cor- |Thermo-|| °E 
tion Obs. rected. | meter. || rected. | meter. ||" tion Obs. rected. | meter. || rected. | meter. | 5 ~ 
m. p bs Se. Div. ¢ Mic. Diy. 3 h. e Z Se. Div. © Mie. Div. eS 
Ot|| 25 22.03|| 578-4 60-7 || 495-7| 62-0 13 25 11-27) 539-3} 49-8 || 529-6) 49-5 | B 
ot 15.47 || 528-6| 61-2 || 565-9} 62-5 14 11-30 || 537-6| 49-6 || 530-5] 49-2 || B 
Ot! 13-49 || 543-3} 61-5 || 567-5| 62-7 15 13-02 || 538-5) 49-4 || 527-3) 49-0 | B 
0 11-84|| 548-2} 61-7 || 545-6] 62-7 16 10-65 || 538-1} 49-2 || 523-5| 48-8 || B 
0 11-79 || 548-5] 61-7 || 529-7| 62-4 17 08-29 || 537-7| 49-0 || 532.2) 48-5 || B 
0 10-41 || 545-9] 61-3 || 518-5] 61-7 18 07:00 |] 535-0) 48-8 || 537-7! 48.4 || B 
0 11-39 |) 543-9) 60-9 || 512-5} 61-0 19 05-69 || 531-7| 48-7 || 543-4) 48-4 || H 
0 11-41 | 541-2) 60-5 || 512-5} 60-4 20 05-63 || 526-2} 48-6 || 547-7) 48-3 || H 
06-64 || 521-3| 48-5 || 550-9} 48-3 
08-66 || 520-4| 48-4 || 539-5] 48-4 
12-82 || 525-4) 48-5 || 527-3) 48-7 
16-48 || 529-2| 48-7 || 520-6] 49-0 
19-35 || 536-1) 49-0 || 518-9} 49.4 
21-29 |) 542.3} 49.4 || 526-4| 49.7 
21-39 |) 543-7| 49-8 || 532-5] 50-3 
17-67 || 545-7) 50-2 || 536-6| 50-8 
15-12 |} 545-6} 50-7 || 541-8] 51-5 
12-98 || 552-0} 51-1 || 544-5] 51-9 
11-81 |) 554-3) 51-5 || 536-4] 52-1 
11-35 || 551-0| 51-7 || 529-6] 52-1 
11-68 || 552-5} 51-6 || 527.4) 52-0 
11-66 |) 552-4] 51-4 |) 519-6] 51-6 
10-87 || 545-3) 51-2 || 523-7) 51-3 
10-68 || 549-8} 50-9 || 516-3] 50-9 
25 11-00|| 541-4| 60-0 | 511-9} 59-8 
10-80 || 539-1) 59-5 || 516-8| 59-3 
| 10-87 | 536-8) 59-1 || 520-6} 58-8 
} 10-60 || 537-2| 58-7 | 522-2) 58-3 
09-73 || 535-1} 58-3 | 530-0| 57-9 
08-92 | 533-9) 57-9 || 532-8) 57-5 
08-70|| 530-5) 57-6 || 536-4] 57-1 
08-18 || 526-3} 57-3 | 535.3| 56-8 
08-99 || 522-4} 57-1 || 529-0} 56-5 
09-82 || 521-6) 56-9 || 520-4| 56-5 
11-24}} 523-0] 56-9 | 503-7| 56-7 
13-93] 525-8| 56-9 || 491-8] 57-0 
16.39 || 533-7] 57-0 || 495.3) 57-3 
| 16-97 || 541-8) 57-3 | 501-8) 57-7 
16-75 || 548-4] 57-7 || 507-3| 58-2 
15-58 || 565-1| 57-9 || 505.0} 58-5 
13-19 || 552-7) 58-1 || 517-8| 58-7 
12-46 || 553-1| 58-3 || 522.5] 58-7 
11-93 || 552-5| 58-4 || 526-8| 58-7 
| 12-33 || 551-8] 58-4 || 524-7} 58-7 
09-08 || 546-5| 58-4 || 529.2) 58-3 
10-50 |) 541-8] 58-0 || 527-2) 57-8 
BWM Se see see sess See See Se mm nmnh a | 
ececoooocooscoocoeooosooscocoocoocooocoosoccs 
25 07-67 || 535-7| 50-6 || 495-6 
07-67 || 534-4) 50-4 |) 482-3) 50-3 | 
05-32 || 536-8) 50-1 |) 490-4! 50-0 | 
06-46 || 538-1] 49-9 || 500-9| 49-6 
08-26 || 524-1] 49-6 || 516-5| 49-3 
09-69 || 530-2} 49-4 |) 511-5) 49-1 
ocooooooooocoocececoeceoceocoeo 
uo 
o 
a 
don Mdndit dds sees se Serb e rw eee 
0 
0 
0 
0 
0 
0 
11-17} 540-2} 57-6 || 524-0} 57-1 19 O 05-97 || 535-8} 49-2 || 512-5) 48-9 
05-77 || 533-5) 57-1 || 532-1) 56-5 20 0 06-29 || 528-6} 49-0 || 524-3| 48-7 
21 0 06-83 || 522-2} 48-8 |) 522.8) 48.7 
Ot}) 25-02-70)) 540-9} 52-3 || 445.1| 52-0 22 0 09-37 || 521-1| 48-8 || 517-1| 48-7 
ll 03-60 || 522-7) 52-1 || 372-8] 51-7 Dap 10 12-98 || 526.4] 48-8 || 516-1] 49-0 
ot 09-32 || 533-4) 51-9 || 403.5) 51-5 0 0 16-12 || 529-5| 49-0 || 519-0} 49-4 || 
ot 20-62 || 508-3| 51-6 || 363-7} 51-2 1 0 18-23 || 529-5| 49-5 || 527-5| 50-0 
ot 10-11 | 526-7| 51-3 || 379-0} 50-7 2 0 17-73 || 536-0} 50-1 || 533-8) 50-8 
Ot 08-14) 527-7] 51-0 || 451-1) 50-4 3 0 17-29 || 542-7| 50.8 || 535-4] 51-7 
8 08-39 || 522-6) 50-8 || 495.7} 50-1 4 0 16-35 || 545-6) 51-5 || 542-3] 52.4 
0 08-19 || 525-6} 50-7 || 505-1] 50-0 5 0 13-86 || 552-6) 52-1 545-1) 53-1 
0 11-37 || 529-7} 50-6 || 505-7| 50-0 6 0 12-18 || 550-8| 52-7 || 547-4| 53-8 | W 
0 11-69 | 530-7) 50-5 || 497.9| 50-0 7 O 10-09 || 551-9) 53-1 || 548-2} 54-1 | W 
0 15-22) 521-8} 50-4 || 496-7} 50-1 8 0 10-75 || 550-5) 53-3 || 539-4} 54-1 | W 
0 21-01 |) 524-2) 50-4 || 498.4] 50-4 9 0 11-25 || 546-6) 53-2 || 530-6) 53-9 | W 
0 20-99 || 522-5) 50-5 || 506-4| 50-4 10 0 08-85 || 548-5] 53-0 |) 518-1) 53-5 || W 
0 19-81 || 534-7) 50-5 || 518.2| 50-5 11 0 09-96 || 541-4| 52-7 || 509-5} 53-1 || H 
0 17-46 || 541-0} 50-6 || 517-0| 50-7 12 0 08-12 || 540-1} 52-5 || 499-0) 52-7 || H 
0 17-56 || 547-3} 50-8 || 528-7| 50-9 
0 15-47 || 544-4] 51-0 | 536-5] 51-2 13 O || 25 09-76)| 536-0| 52.2 || 488-4) 52-3 || H 
0 14-30} 547-5) 51-0 || 537-3) 51-3 14 0 |) 06-73 || 530-6| 51-9 || 486-4} 51-9 || H 
0 13-02] 549-0] 51-0 || 537-6} 51-2 15 0 10-30 || 536-6| 51-6 || 484-7| 51-5 | H 
0 11-74|| 551-1) 51-0 || 537-2} 50-9 16 0 07-37 || 537-2) 51-3 || 497-5| 51-1 || H 
0 11-51 |] 543-5) 50-8 || 537-2] 50-6 17 0 06-56 || 535-6) 51-0 || 513-6| 50-6 | H 
0 10-09 | 541-9| 50-5 || 537-6| 50-3 18 0 04-55 || 534-9) 50-7 || 519-6) 50-2 | H 
0 12-11 || 541-4) 50-3 | 533-1] 50-0 19 0 03-57 || 534-8| 50-4 || 522-8) 49.9 | W 
0 12-38 || 542-4} 50-0 || 531-2] 49-7 20 0 02-62 || 524-5 50-1 || 523-7| 49-6 || W 
DECLINATION. Magnet untouched, May 8'—June 182. 
Birizar. Observed 2™ after the Declination, s=0-:000140. BALANCE. Observed 3™ after the Declination, s=0-000010. 
+ Extra Observations made. 
May 16419», The reading of the Balance is doubtful, to the extent of 5 mic. div., owing to an error in reading one of the micrometers. 
