630 MAJOE-GENEEAL SABIKE ON THE EESEXTS OF HOFELT OBSEETATIONS 
Point Barrow, 1854 ; Lat. 71° 21' N. Long. 156° 15' W. Magnetic Declination. 
One Scale-division =2'’286. Increasing numbers denote increasing Easterly Declination. 
Mean 
O'-. 
1'‘. 
2''. 
S'-. 
iK 
6 \ 
7\ 
9“. 
10*“. 
IP. 
Point Barrow Time. 
D. 
sc. div. 
sc. div. 
sc. div. 
sc. div. 
sc. div. 
sc. div. 
sc. div. 
sc. div. 
sc. div. 
sc. div. 
sc. div. 
sc. div. 
r* 
1 
2 
3 
74-5 
85-0 
85-0 
191-9 
185-5 
182-5 
186-5 
87-5 
So'7 
85-5 
83-2 
85-0 
t79-5 
81-5 
187-7 
83-0 
82-8 
82-3 
86-0 
92-0 
81-5 
+89-5 
+85-5 
+84-7 
4 
81-6 
185-0 
86-5 
80-5 
82-5 
82-3 
87-5 
85-2 
87-0 
86-0 
84-8 
85-0 
5 
82-8 
86-0 
87-8 
81-5 
86-0 
82-5 
82-0 
85-2 
85-2 
85-8 
85-0 
83-0 
6 
86-0 
84-0 
82-8 
83-0 
82-6 
86-0 
84-8 
84-0 
80-5 
79-0 
88-0 
86-0 
7 
85-0 
t84-3 
85-0 
83-0 
84-0 
79-0 
78-5 
78-0 
79-0 
85-0 
+*97-5 
+*75-0 
8 
Q 
85-5 
85-5 
183-5 
181-5 
81-0 
185-8 
84-0 
85-3 
84*6 
85-0 
85-5 
85-2 
y 
10 
86-3 
99-0 
1109-0 
158-0 
90-2 
75-2 
55-8 
60-3 
93-5 
71*2 
40-0 
+58-5 
11 
t7l-0 
t91-l 
86-0 
181-5 
81-0 
84-7 
85-2 
85-2 
89-0 
83-0 
84-0 
84-0 . 
12 
t88*3 
89-5 
80-0 
81-0 
82-0 
87-0 
86-0 
84-0 
84-2 
85-2 
179*8 
+144-3 
13 
84-6 
80-5 
180-3 
85-0 
84-6 
84-0 
85-0 
84-0 
79-3 
84-2 
85-2 
85-2 
14 
t76-0 
68-5 
66-5 
70-0 
86-5 
80-0 
80-5 
81-0 
82-0 
84-5 
79-5 
76 0 
< 
15 
87-0 
79-5 
168-7 
85-3 
79-8 
86-2 
77-5 
86-5 
87-8 
87-0 
87*0 
82-7 
o- 
<! 
16 
86-5 

17 
89-0 
86-0 
87-5 
85-1 
84-0 
85-5 
85-5 
88-0 
81-5 
83-3 
83-4 
18 
78*3 
79-5 
80-0 
81-3 
81-0 
82-5 
174-7 
177-5 
+64-5 
+33-5 
70-0 
76-3 
19 
t94‘2 
t84-0 
170-2 
184-0 
178-0 
169-5 
87-3 
181-6 
93-0 
+ 81-3 
+111-3 
110-7 
20 
7B'5 
78-0 
84-0 
177-5 
78-0 
79-0 
82-3 
80-5 
78-0 
84-0 
88-0 
85-2 
21 
76-0 
80-5 
81-0 
78-8 
78-0 
85-0 
90-0 
89-7 
86-0 
85-5 
86-0 
+78-1 
22 
23 
24 
91-0 
74-6 
178-5 
75-0 
77-0 
73-0 
81-5 
83-5 
75-0 
86-0 
73-3 
87 0 , 
197-4 
76-5 
162-0 
163-7 
180-0 
172-8 
78-0 
164-5 
t73-8 
177*3 
85*8 
64-0 ; 
25 
80-4 
177-1 
78-8 
180-3 
175-7 
79-3 
80-0 
80-0 
80-3 
81-0 
+82-5 
80-0 
26 
t80-0 
177.7 
178-0 
178-5 
180-0 
77-2 
176-7 
172-5 
75-0 
171*0 
181-3 
68-0 
27 
t93-0 
t68-3 
166-5 
158-5 
80-0 
84-5 
181-9 
179-3 
83-5 
96-7 
85-0 
78-0 
28 
t70-0 
177.7 
180-0 
t79-o 
180-5 
180-5 
82-0 
69-0 
88-0 
95-0 
83-5 
87*0 
29 
30 
t88-7 
72-8 
175-0 
178-9 
175-3 
81-0 
78-5 
90-8 
67*5 
82-5 
84-0 
90-0 
i 

r 
1 
82-5 
79-7 
82-0 
82-3 
78-0 
65-0 
80-0 
83-0 
81-5 
82-5 
82-0 
+74-5 
2 
83-0 
81-0 
81-0 
80-5 
81-0 
80-0 
81-0 
73-0 
87-0 
168-0 
+68-4 
+86-0 
3 
85-0 
82-9 
184-3 
86-0 
81-8 
81-0 
81-0 
79*0 
82-8 
84-0 
83*7 
81-0 
4 
81-0 
92-3 
93-0 
176-7 
77-5 
177-0 
181-9 
85-0 
70-0 
98-5 
69*3 
+44-5 
5 
t75-5 
79-5 
77-0 
81-0 
83-0 
84-0 
83-0 
184-0 
83-5 
83-0 
83-0 
83-0 
6 
7 
80-5 
81-0 
81-0 
81-0 
82-0 
82-7 
81-5 
85-3 
84-0 
82-5 
84-8 
82-8 
/ 
8 
77-5 
70-0 
69-0 
177-5 
75-2 
73-0 
169-7 
86-0 
176-0 
66-1 
53-8 
76-2 
9 
87-0 
84-5 
75-5 
77-8 
78-8 
76-0 
80-0 
80-0 
82-8 
73-9 
86-0 
75-8 
10 
74-0 
81-5 
67-3 
76-5 
80-5 
790 
81-3 
177*5 
69-0 
83-5 
+66-1 
173-3 
11 
88-0 
80-2 
81-0 
178-5 
172-5 
77-5 
83-0 
82-0 
87-5 
77*3 
76-6 
80-0 
12 
70-1 
73-7 
175-5 
77-4 
79-0 
79-0 
79-0 
81-5 
85-3 
81*0 
75-9 
72-3 
13 
14 
15 
77-5 
79-3 
179-5 
79-0 
81-1 
81-0 
81-0 
80-0 
181-3 
80-8 
77*0 
180-0 
t75-0 
154-5 
1103-9 
196-5 
181-9 
189-5 
186-0 
86-0 
86-0 
86-0 
84*3 
81-0 
cd 
16 
58-0 
68-0 
179-8 
188-6 
61-5 
81-5 
85-8 
70-0 
11020 
87*0 
72-5 
42-8 
17 
72-0 
84-0 
{a) 
(«) 
( a ) 
82-0 
80-0 
184-5 
186-1 
90*0 
175-0 
173-5 
18 
t83-3 
84-0 
81-0 
81-0 
81-5 
83-5 
84-0 
79-0 
84-0 
80*5 
81-0 
85-8 
1 
19 
75-6 
180-7 
179-6 
74-5 
80-0 
79-2 
72-0 
79-0 
164-7 
81*3 
71-0 
77*8 
i 
20 
21 
22 
tl02-0 
172-7 
180-0 
175-4 
183-0 
81-5 
180-8 
78-0 
81-0 
76-8 
77*0 
84-5 
1 
79-5 
84-0 
82-5 
180-5 
179-5 
74-0 
80-5 
81-3 
76-0 
83-5 
76-5 
73*0 
23 
80-0 
82-0 
82-2 
177-6 
76-5 
78-0 
78-0 
79-2 
80-5 
173-6 
80-7 
73-0 
24 
80-0 
77-0 
796 
79-8 
79-8 
82-8 
183-6 
82-0 
84-0 
78-5 
79*3 
78-3 
25 
69-5 
177-1 
177-9 
180-3 
77-0 
74-0 
77-4 
88-5 
176-5 
1102-5 
159*0 
! 176-0 
1 
26 
78-0 
73-5 
73-7 
77-2 
77-5 
67-4 
92-0 
85-0 
79-3 
8.3-3 
83-8 
70-0 
27 
28 
29 
83-0 
75-5 
82-0 
87-5 
183-6 
180-0 
177-0 
84-8 
84-3 
86-5 
80-5 
85-0 
t84-0 
178-7 
87-0 
79-7 
77-5 
79-0 
86-0 
74-6 
84-5 
81-0 
83*0 
78-0 
1 
30 
89-0 
91-0 
185-5 
81-0 
81-0 
82-8 
86-0 
75-0 
85-2 
79-5 
84*7 
80-0 
31 
80-8 
82-0 
192-0 
83-0 
71-0 
88-5 
77-3 
82-5 
78-7 
180-5 
84-5 
86-0 
Observations noted with a # were made when the Aurora was visible. 
t Magnet vibrating. (a) Unroofing Observatory. 
