Hourty OBSERVATIONS OF MAGNETOMETERS, APRIL 14—18, 1845. 2] 
Gottingen BIFILAR. BALANCE. * _-| Gottingen | BIFILAR. BALANCE. * = 
Mean Time || Deciina- | &-£| Mean Time || Decrina- Z5 
of Declina- TION. Cor- |Thermo-|| Cor- |Thermo-|| $°2] of Declina- | TION. | Cor- |Thermo-|| Cor- |Thermo-| 3°E 
tion Obs. rected. | meter. || rected. | meter. || 5 ‘5a tion Obs. | rected. | meter. || rected. | meter. 5 bar. 
a. in, og] Ee Se. Div. 2 Mic. Diy. > Cee ame |e Se. Div ° Mic. Div. ® 
14 5 Of} 25 16.87|| 541-8 43-4 || 603-5| 44.0 | H |] 16 13 0 | 25 11-12] 538-1] 51-5 || 537-1) 51-0 | B 
6 Of 11-59|| 543-5] 43-6 || 619-8| 44.2 | B 14 0} 11-10|| 536-7) 51-0 || 523-2) 50-4 B 
7 ot 00:57 || 543-8) 43-7 || 633-7| 44-3 B 15 0 10-18 || 535-2} 50-5 || 529-7) 49-5 B 
8 0 06-74 || 536-7| 43-8 | 593-3| 44.2 | B 16 0 09-19 |, 533-3} 50-0 || 537-8 49-3 | B 
9 0 11-64|) 531-7| 43-6 | 570-8) 44-0 B 17 0 09-44 || 533-3| 49-5 || 544.2) 48:9 | B 
10 5 11-98 || 541-0) 43-4 | 550-4) 43-7 B 1s 0 08-95 | 533-4| 49-0 || 549.3] 48-4 | B 
a. 0 12-36 || 530-3] 43-2 || 512-1| 43-5 || W 19 0 08-48 || 531-4] 48-7 || 553-4| 48-0 || H 
12 ot 16-43 || 531-1] 43-0 || 470-5] 43-4 || W 20 0 07-55 || 527-8| 48-3 || 558-6| 47-8 || H 
| 21 0 | 06-56 || 525-6} 48-1 | 559-1) 47-6 || W 
13 ¢0 | 25 12-55 || 535-2| 42-9 || 483-5| 43.3 | W 22 0| 08-38 || 522-6| 48-0 || 555-1| 47-6 | H 
14 0 09-67 || 527-7| 42-8 || 499.4] 43-2 || W 23° 0 11-41 || 521-1] 47-9 || 545-8) 47-6 || H 
15 0 11-37 || 529-9| 42-7 || 504-6} 43-0 || W]17 0 O 13-69 || 522-8} 48-0 || 538-6 48-2 | H 
16 0 10-30 || 530-3| 42-6 || 521-5] 42-9 || W Fame 14.85 || 522-0] 48-2 || 535-3] 48-8 || H 
17 0 11-54 || 533-3} 42-5 || 524-6] 42-8 | W 2 0 16-66 || 530-3] 48-8 || 540-1) 49-7 || H 
18 0 11-15 || 525-7] 42-4 || 528-3) 42-7 | W 3 0 15-47 || 536-0} 49-8 | 540-2) 50-7 | H 
19 0 10:75 || 533-1) 42-4 || 531-6| 42-6 || B 4 0 14.01 || 537-3] 50-7 || 540-8} 51-7 || H 
20 0 07:87 || 532-0| 42-4 || 541-4] 42.7 | B 5 0 13-74 || 540-6] 51-6 || 541-5] 52-7 | H 
21 O 07-29 || 527-7| 42-4 || 545-0| 42-9 || H 6 0 12-16 || 542-9} 52-5 || 541-3 53-6 || W 
22° 0 09-19 || 524-4] 42-6 || 550-9) 43-2 || H 0 11-66 || 544-2) 53-1 |) 540-5 54-2 || H 
23 0 11-34|| 525-7} 42-9 || 530-4] 43-6 || H 8 0 10-70 || 542:0| 53-7 |) 546-1] 54-5 || H 
15 0 0 15-01 || 521-5] 43-5 || 528-8) 44-3 || H 9 0 07-87 || 546-2] 53-9 || 547-4) 54-6 || H 
if <0 15-74|| 522-4| 44-1 || 520-6| 45-0 || H 10 O 10-14 || 540-4| 54-0 | 546-4) 54-5 || H 
2 0 18-10} 530-2} 44-7 || 531-7! 45-5 || H if 40 09-96 || 538-5| 53-9 || 543-9| 54-3 || W 
3 0 17:94|) 526-1) 45-4 || 543-7| 46.2 || H 12 0 10-74 || 538-5| 53-7 || 537-9| 54-1 | W 
4 0 14-91 || 535-9) 46-2 || 555-7| 46-7 || H 
5 0 12-92 || 546-3) 46-8 || 561-0| 47.2 || H 13 O || 25 10-53}| 538-4| 53-4 || 537-3) 53-8 || W 
6G; 10 11-49] 545-8| 47-2 || 560-7) 47-4 | W 14 0 10-54 || 537-7] 53-1 || 536-5) 53-4 | W 
m0 12-72|| 547-4| 47-4 || 546-3] 47-5 || W 15 0 10-33 || 537-2} 52-9 || 536-5) 53-0 | W 
8 0 09-67 || 543-5| 47-4 || 545-9} 47-4 || W 16 0 09-40 || 537-3] 52-6 || 537-2) 52-7 || W 
9 0 02-99 || 549-9] 47-3 || 540-2} 47.2 || W 17 0 08-79 || 536-4| 52-4 || 537-0] 52-4 || W 
| 10 0 07-57 || 539-9} 47-0 || 532-9| 46-9 || W 18 0 08-08 || 535-0] 52-2 || 540-0} 52.2 || W 
‘0 10-97 || 535-4| 46-6 || 529-3] 46-5 || H 19 O 06-73 || 533-3| 52-0 || 540-6] 52-0 || H 
12 0 10-13] 538-9] 46-2 || 521-6] 46-1 || H 20 0 06-06 || 531-8] 51-8 || 539-9| 51-7 | H 
O10 06-53 || 529-2) 51-7 || 538-3) 51-7 | H 
13 0 || 25 10-98]| 539-3] 45-8 || 514-6] 45-7 || H 2a 08-92 || 525-4) 51-6 | 537-4| 51-7 || H 
14 0 10-90 || 537-9| 45-4 || 512-9] 45-3 | H 23" "OD 11-07 || 523-6] 51-6 || 537-5] 51-9 || H 
15 0 08-63 || 532-6| 45-0 || 517-3} 44.9 | H | 18 0 O 15-11 || 526-1} 51-8 || 531-2) 52-2 | H 
16 0 11-07 || 525-6| 44-6 || 524-4) 44-5 || H | eae 16-68 || 531-1} 52-0 || 520-9) 52-5 || H 
17.0 10-36 || 532-9| 44-2 || 525-6| 44-1 || H 2 0 18-07 || 538-0] 52-3 || 524-2] 52-8 | B 
18 0 09-02 || 535-1) 43-8 || 528-2) 43.7 || H 3 10 19-89 || 551-5| 52-7 || 529-2] 53:3 || H 
19 0 07-72 || 533-5| 43-4 || 536-2) 43.2 | W 4 0 18-47 || 541-1] 53-0 |) 552-3| 53-7 || H 
20 0 07-92 || 531-6| 43-0 || 541-0} 42-8 || W 8) 50) 17:96 || 536-6| 53-3 || 570-0) 54-0 || B 
21 0 07-38 || 530-4] 42-7 || 544-1) 42-6 || B 6 0 | 16-33 || 553-1] 53-5 || 564-6) 54-2 | W 
22 0 07-87 || 527-0] 42-7 || 545-7) 42-8 || W 7 *0 13-23 || 550-6| 53-7 || 579-5| 54:3 || W 
23 0 10-48 || 523-7| 42-7 || 548-0| 43-4 || W 8 Of 08-32 || 543-9] 53-6 || 593-6) 54-1 || W 
16 0 0 13-91 || 525-5] 43-6 || 542-9] 44-5 || W 9 ot) 03-50 || 531-7] 53-5 || 574-2) 54-0 || W 
0) 16-45 || 523-3] 44-8 || 539-6| 45-7 || H 10 Ot 01-59 || 533-1] 53-3 | 546-6) 53-7 || W 
240 17-15 || 531-8} 46-3 || 537-4| 47-1 || W 2) 10 08-80 || 538-0} 53-0 || 550-6} 53-2 || H 
3.0 16-23 || 535-4] 47-7 || 537-3] 48-5 || W 12 0 10-20 || 538-3| 52-8 || 544-7) 52-7 || H 
4 0 BEG) ||) onc0-- |) “S35 5RNE RSCeRnenn secon WwW 
5 (0 15-18|| 538-4] 50-7 || 537-6) 51-2 || W 13 OF 25 10-16 539-7| 52-4 || 539-1] 52-2 || H 
60 13-22 |) 541-6| 52-0 || 549-6] 52-2 || H 14 OF 07-89 || 536-2| 52-0 || 477-7| 51-7 || H 
ve *0 10-67 || 544-5) 52-8 || 557-7) 52-8 || H 15 OF 00-94 || 525-1} 51-7 | 482-0) 51-4 | H 
8 0 09-29 || 543-9) 53-3 || 561-2) 53-0 || W 16: 0 08-41 || 521-3} 51-4 |) 500-7) 51-0 | H 
4 9 0 09-12 || 539-9} 53-2 |) 557-2] 53-0 | H Lv 08-05 || 536-5] 51-0 || 485-3] 50-6 | H 
10”-0 10-61 || 539-9} 52-9 || 548-3} 52-7 || H 18 0 05-60 || 534-1) 50-7 | 507-9) 50-2 || H 
} i. 0 10-53 || 538-4) 52-5 || 544-4] 52.3 B 19 0 04-04) 535-0} 50-3 521-8) 49-7 || W 
. 12> 0 10-95 || 538-6! 52-0 || 540-6! 51-7 || B 20 0 04-48 || 530-0] 50-0 || 526-2! 49.3 | W 
DECLINATION. Magnet untouched, April 24—May 82. 
BriFitar. Observed 2™ after the Declination, k=0:000140. BaLAaNnce. Observed 3™ after the Declination, =0000100.., 
+ Extra Observations made. 
April 164 934. The cotton cover of the bifilar magnetometer was replaced, having been removed at 134 15». 
MAG. AND MET, oBs., 1845. HS 
