i 
Gottingen 
Mean Time, 
Middle of 
Dbservation. 
’ d. 
pr. 21 
r. 24 23 
hm. 
22 
9 23 
22 
25 3 Of 
Obser- 
vation. 
m. 
48 
55 
60 
OBSERVATIONS OF MAGneEtTic Dip, APrit 21—AvugGust 7. 1843. 
NEEDLE. Fact or Crrcre BE. Facr oF CirncLE W. 
iia Tem- End Mark on Needle Mark on Needle 
ber, | Pera- dip- 
ture. | ping. E Ww. E. WwW. 
‘ 57 i 73 6:5 | 69 46-0 | 72 37-5 | 69 14.5 
A || 70 4.0 | 73 27-0 | 69 44-0 | 73 3-5 
; 47 3 70 1-0 | 73 30-0 | 69 41-0 | 73 12-5 
B || 73 20-0 | 69 16-0 | 72 51-0 | 68 59-0 
; 1 73 35:5 | 69 19-0 | 72 52-0 | 68 40.5 
A || 70 1-0 | 73 38-0 | 69 29-0 | 73 14-0 
: 53 eS 70 9-0 | 73 41-0 | 69 28-0 | 73 12-5 
B || 73 22-5 | 69 31-5 | 72 35-0 | 69 11-0 
‘ 48 ie 73 28-5 | 69 33-5 | 72 36-5 | 68 54.0 
A || 70 8-5 | 73 36-5 | 69 34-0 | 73 13-5 
' a ie 70 8-0 | 73 33-5 | 69 33-0 | 73 7-5 
B || 73 16-5 | 69 32-0 | 72 36-5 | 69 15-0 
; ee i 73 17-5 | 69 37-0 | 72 40-0 | 69 5-5 
A | 70 13-5 | 73 28-0 | 69 39-0 | 73 0-5 
A 48 ms 70 9-5 | 73 27-5 | 69 38-0 | 73 6-5 
B || 73 21-0 | 69 20-0 | 72 50-0 | 69 1-0 
; of ‘a 73 30-5 | 69 13-0 | 72 57-0 | 68 56-5 
A | 70 11-0 | 73 26-5 | 69 41-5 | 73 9-0 
i oS iB 70 13-0 | 73 30-0 | 69 46-0 | 73. 7-5 
B || 73 22-0 | 69 34.0 | 72 47-5 | 69 80 
/ Be R 73 29-5 | 69 26-0 | 72 56:0 | 69 9-5 
A || 70 4-0 | 73 30-0 | 69 44-0 | 73 18-5 
i e 70 13-5 | 73 29:0 | 69 41-5 | 73 6-5 
B || 73 46-0 | 69 25-0 | 72 36-5 | 68 34.0 
i 1 73 46-5 | 69 24-5 | 72 44-5 | 68 33-5 
A || 70 6-0 | 73 43-5 | 69 32-5 | 73 12-5 
i "6 ts 70 5:5 | 73 39-5 | 69 31-5 | 73 16-0 
B || 73 46:0 | 69 21-5 | 72 37-5 | 68 38.0 
1 63 B || 73 51-0 | 69 24.5 | 72 48-5 | 68 34-5 
1 70 | A || 70 8-5 | 73 18-0 | 69 44-5 | 73 21-0 
1 74 1 70 4:5 | 73 34:0 | 69 39-5 | 73 13-5 
B | 73 55-0 | 69 20-0 | 72 39-5 | 68 39-5 
i ee i 73 48-0 | 69 26-0t| 72 43-5 | 68 39-5 
A || 70 12-5 | 73 32:0 | 69 37-0 | 73 14-5 
1. heeas e 70 8-5 | 73 32-0 | 69 40-0 | 73 18-5 
“| \B |) 74 38-0 | 68 29-5 | 73 20-0 | 67 56-0t 
i 67 ir 74 50:0 | 68 31-0 | 73 43-5 | 67 32-0 
A || 70 4:5 °| 73 36-0 | 69 31-0 | 73 19-0 
1 70 ie 70 2-5 | 73 42-0 | 69 35-0 | 73 23-5 
B || 74 60 | 69 8-5 | 72 54-5 | 68 36-5 
1 74 { 74 6-0 | 69 5-0 | 72 57-0 | 68 28-5 
A || 69 48-0 | 73 58-0 | 69 22-5 | 73 44-0 
1 67 {* 69 46:0 | 74 7-5 | 69 19-0 | 74 27-5 
B || 73 43-5 | 69 23-0 | 72 59-0 | 68 41-0 
1 702 B || 73 56-5 | 69 21-5 | 72 47-0 | 68 51-0 
“| \A || 69 58-0 -| 73 36-5 | 69 18-0 | 73 51-5 
1 66 | JA || 69 54:5 | 73 51-0 | 69 11-5 73 53-0 
B || 74 0-0 | 69 32-0 | 72 46-0 | 68 51-0 
1 {R 73 49-5 | 69 32-5 | 72 46-5 | 68 51-0 
A || 69 40:0 | 74 6-0 | 68 59-5 | 74 4.5? 
1 62 3 69 18:5 | 74 10-0 | 69 9-0 | 74 10-5 
B | 73 5-5 | 69 37-0 | 73 4-0 | 69 25-0 
1 74 12 73 11-5 | 69 27-0 | 72 34-0 | 69 22.5 
A || 68 58-5 | 74 12-0 | 68 55-0 | 74 13-0 
1 65 6 68 48-0 | 74 17-0 | 68 53-5 | 74 14-5 
B || 73 39:0 | 69 5-5 | 73 4:5 | 69 3-5 
Mean. 
A. dipping 
Minus 
B.dipping. 
+ 23-50 
+ 29-62 
+28-75 
+ 27-62 
+ 30-00 
+ 25-50 
+ 25-25 
+ 27-37 
+27-75 
+ 26-25 
+ 23-87 
+ 32-25 
+ 31-37 
+ 32-37 
+ 28-38 
+ 29-37 
+29-75 
+ 33-88 
+ 28-50 
+ 29-38 
+ 34-00 
+ 43-38 
+ 27-00 
+ 25-25 
+ 27-63 
+ 24-13 
+ 25-87 
+ 20-13 
Observed 
Dip. 
Observer’s 
Initial. 
we 2 | 
4 
ae he 2 ae = 2 
4 
qj. 2% 3B 4 Ge Sa e 4 a. & SZ 
* Observations considered good. 
+ Observations considered bad or doubtful. 
May 302, 
See Introduction. ’ 
June 54—Sept. 12. The Dip instrument during this period worked imperfectly, chiefly in lifting the needle. See Introduction for details. 
The Dip instrument was removed from the Magnetic Observatory to the wooden house erected for it and the extra declinometer. 
AG. AND MET. OBs. 1848. 
