78 Observations of Magnetic Dip, August 14 — December 29. 1843. 
Dura- 
Needle. 
Face of Circle E. 
Face of Circle W. 
Gottingen 
Mean Tim6j 
Middle of 
Observation. 
A. dipping 
Minus 
B. dipping. 
tion 
of 
Obser- 
vation. 
Num- 
ber. 
x eni- 
pera- 
ture. 
End 
dip- 
ping. 
Mark o 
E. 
q Needle 
W. 
Mark oi 
E. 
i Needle 
W. 
Mean. 
Observed 
Dip. 
1 § 
5 
1 cc 2 
1 A H 
o 
o 
0 
. , 
= 
Aug. 14 23 45 
120 
1 
61 
fB 
}A 
73 36-5 
69 42-5 
68 51-0 
73 30-0 
73 5-0 
69 56-0 
68 51-0 
73 35-0 
71 5-87) 
71 40-87) 
+ 35-00 
71 23-37* 
B 
Aug. 18 8 5 
40 
1 
73 
(A 
B 
69 41-0 
73 16-5 
73 35-0 
69 26-5 
69 41-0 
72 44-5 
73 30-0 
69 17-0 
71 36-75/ 
71 11-12/ 
+ 25-63 
71 23-94* 
B 
Aug. 21 22 45 
60 
1 
57 
(B 
l A 
73 12-0 
68 45-0 
69 17-5 
74 13-5 
72 50-5 
68 59-5 
69 17-0 
74 13-0 
71 9-251 
71 32-75/ 
+ 23-50 
71 21-00* 
W 
Aug. 25 3 40 
1 
79 
< 
(A 
(B 
68 36-0 
73 58-5 
74 10-0 
67 42-5 
68 56-5 
73 16-0 
74 22-5 
68 14-0 
71 31-25} 
70 47-75/ 
+ 43-50 
71 9-50t 
|w 
Aug. 25 7 0 
1 
66 
fB 
A 
74 4.0 
69 40 5 
67 32-5 
73 20-0 
73 22-0 
69 46-5 
68 20-0 
73 35-0 
70 49-62) 
71 35-50} 
+ 45-88 
71 12-56t 
B 
Aug. 28 22 40 
55 
1 
66 
< 
fA 
B 
69 44-5 
73 21-0 
73 27-5 
69 40-0 
69 41-0 
72 58-0 
73 33-5 
69 11-5 
71 36-62) 
71 17-62/ 
+ 19-00 
71 27-12f 
B 
Sept. 4 23 0 
45 
1 
73 
1 
fB 
A 
73 22-0 
69 37-5 
69 36-0 
73 31-5 
72 53-5 
69 35-0 
69 11-0 
73 41-0 
71 15-62) 
71 36-25/ 
+ 20-63 
71 25-94* 
; w 
Sept. 8 8 0 
45 
1 
77 
\ 
'A 
B 
69 33-0 
74 3-5 
73 31-0 
68 32-5 1 
69 34-5 
73 25-0 
73 44-5 
68 21-0 
71 35-75) 
71 5-50/ 
+ 30-25 
71 20-62 
w 
Sept. 12 1 5 
110 
1 
75 
\ 
B 
A 
73 49-0 
69 49-5 
68 19-Of 
73 15-5 
74 3-5 
69 51-5 
68 44-0 
73 6-0 
71 13-87) 
71 30-62/ 
+ 16-75 
71 22-25t 
B 
Oct. 6 3 10 
55 
1 
66 
\ 
A 
B 
68 11-5 
75 6 0 
72 54-0 
69 47-0 
68 29-5 
75 16-5 
73 8-0 
69 55-0 
70 40-75) 
72 31-12/ 
- 110-37 
71 35-94t 
Oct. 8 23 10 
50 
53 
{ 
B 
A 
71 56-0 
70 9-0 
71 10-0 
71 50-5 
71 49-0 
70 8-5 
71 21-0 
72 6-5 
71 34-00) 
71 3-62/ 
- 30-38 
71 18-81f 
w 
Oct. 9 0 45 
50 
1 
56 
{ 
B 
A 
75 10-0 
68 16-5 
69 54-0 
73 17-5t 
75 13-0 
68 17-5 
70 0-0 
73 27-5 
72 34-25) 
70 49-75/* 
- 104-50 
71 42-00 
B 
Oct. 9 2 20 
60 
55 
{ 
A 
B 
70 6-0 
71 59-0 
71 57-0 
70 56-5 
70 17-5 
72 4-5 
72 5-0 
71 0-0 
71 6-371 
71 30-00) 
- 23-63 
71 18-19 
B 
Nov. 20 1 30 
1 
40 
{ 
A 
B 
68 22-5 
74 29-0 
73 5-5 
69 47-0 
68 8-0 
74 35-0 
73 8-0 
69 51-5 
70 41-00/ 
72 10-621 
- 89-62 
71 25-81 
W 
Nov. 20 3 5 
95 
1 
{ 
B 
A 
74 34-5 
68 32-6 
70 3-7 
72 58-3 
74 23-8 
68 25-7 
69 58-6 
72 55-4 
72 15-151 
70 43-00/ 
- 92-15 
71 29-08 
B 
Nov. 21 1 35 
50 
2 
{ 
B 
A 
71 55-1 
70 49-5 
71 16-2 
71 59-2 
71 55-4 
70 39-0 
71 13-0 
71 46-3 
71 34-92/ 
71 18-50/ 
- 16-42 
71 26-71 
w 
Nov. 22 0 0 
2 
1 
B 
A 
71 49-0 
70 53-5 
71 25-5 
72 2-1 
71 38-3 
70 40-3 
71 19-9 
71 40-6 
71 33-17) 
71 19-12/ 
- 14-05 
71 26-15 
B 
Nov. 24 3 10 
55 
2 
42 
{ 
A 
B 
70 50-0 
71 34-0 
72 1-5 
71 22-5 
70 37-5 
71 44-5 
71 38-5 
71 17-0 
71 16-87/ 
71 29-50/ 
- 12-63 
71 23-19*| 
W 
Nov. 28 0 0 
100 
2 
50 
U 
71 510 
71 5-2 
71 15-6 
71 42-0 
71 42-9 
70 55-3 
71 12-9 
71 35-3 
71 30-60/ 
71 19-45/ 
- 1115 
71 25 02 
B 
Dec. 1 3 50 
60 
2 
39 
i A 
IB 
70 47-0 
71 57-2 
71 52-5 
71 16-0 
70 49-0 
71 48-3 
71 53-7 
71 2-3 
71 20-55) 
71 30-95/ 
- 10-40 
71 25-75 
B 
Dec. 4 23 15 
70 
2 
48 
{ 
B 
A 
71 52-0 
70 30-5 
71 16-0 
72 27-0 
71 47-5 
70 60 
71 2-5 
71 51-5 
71 29-50) 
71 13-75/ 
— 15-75 
71 21-62 
W 
Dec. 8 3 35 
48 
2 
48 
{ 
A 
B 
70 28-0 
71 56-5 
72 24-0 
71 ISO 
70 7-0 
71 44-5 
71 51-0 
71 4-0 
71 12-50/ 
71 30-75) 
- 18-25 
71 21-62 
W 
Dec. 12 1 0 
2 
49 
U 
71 58-0 
71 5-5 
71 20-5 
71 59-5 
71 50-0 
70 45-5 
71 8-0 
71 36-Of 
71 34-12/ 
"1 21-62] 
- 12-50 
71 27-S7 
B 
Dec. 15 3 40 
2 
50 
i A 
B 
71 5-5 
72 5-0 
71 59-0 
71 22-0 
70 5 1 0 
71 53-0 
71 400 
71 11-0 
71 23-S7/ 
71 37-75/ 
- 13-S8 
71 30-Slt 
B 
Dec. 18 23 15 
60 
2 
42 
{ 
B 
A 
72 6-0 
70 47-0 
71 20-0 
72 14-0 
71 45-5 
70 26-0 
70 59-5 
71 43-0 
71 32-75/ 
71 17-50( 
- 15.25 j 
71 25-12 I 
W 
Dec. 22 2 30 
45 
2 
50 
{ 
A 
B 
70 54-0 
71 55-5 
72 13-0 
71 29-5 
70 23-0 
71 37-5 
71 40-5 
71 8-0 
71 17-62/ 
71 32-621 
- 15-OOt 
71 2512 ! 
Y\- 
Dec. 27 0 15 
60 
2 
48 
IB 
U 
72 5-0 
/ 1 O-U 
71 30-5 
71 O l J*0 
71 43-0 
70 39-0 
71 4-0 
71 27-0 
/I OO'Oil 
71 17-75/ 
- 17-S7I 
71 26-69* 
B 
T)oi» 90 'i 
70 
2 
47 
I 
A 
B 
71 8-0 
72 7-0 
72 3-7 
71 28-0 
70 42-9 
71 44-0 
71 26«7 
71 4-0 
71 20-32/ 
71 35-75/ 
- 15-43 
71 9Q.0*}*" 
D 
* Observations considcret 
good. 
t Observations considered bad or doubtful. 
Ann-. 18' 1 8 1 '. A liist. attempt to change the poles of the needle tailed, probably from the wrong end of the needle being taken. 
Sept. 12>> — Oct. 6« l . The dip instrument and needles 
sent to Messrs Ailie and Son. Edinburgh, to be adjusted. 
Oct. SH- 
-Nov. 20> l . The observations in October were so unsatisfactory that they were discontinued for some time. 
Nov '2-t' 1 3 h . Before this observation the instrument 
was levelled. 
as it was previously slightly out of adjustment. 
