VARIATION AT WINTER HARBOUR 
CXV 
OBSERVATIONS to determine the Variation at Winter Harbour, Melville Island, 
Latitude 74° 47 
' 13" N., Longitude 110° 49' 0" 
W. 
1819 and 1820 
Obser- 
ver 
No. of Ob 
servations 
Com- 
pass 
Barometer 
Thermo- 
meter 
Variation, East 
REMARKS ! 
October 25 
p 
5 
i 
IN. 
30.13 
O 
+ 14 
o 
1 26 
27 
24^ 
1 to 3 P.M. 
p 
5 
2 
. . . 
127 
13 
00 
59 
p 
5 
4 
. . . 
128 
14 
12 
55 
s 
5 
1 
. . . 
125 
58 
00 
59 
s 
5 
2 
. . . 
126 
45 
00 
99 
s 
5 
4 
126 
45 
00 
November 
B 
6 
4 
. . . 
—37 
127 
51 
00 
1820, January 26, 
s 
7 
1 
29.70 
—34 
126 
36 
25 
at 1 p.m. 
s 
7 
1 
29.70 
—34 
126 
09 
00 
27, 2 P.M. 
s 
7 
2 
29.90 
— 38 
126 
54 
00 
April 28, 7 -Ja.m. 
p 
5 
3 
30.73 
— 2 
126 
54 
00 
5 to 6 P.M.-J 
p 
5 
2 
30.51 
+ 9 
127 
57 
00 
( 
p 
3 
3 
. . . 
. . . 
128 
19 
20 
April 
B 
5 
2 
. . . 
+ 4 
126 
13 
00 
99 
B 
3 
3 
. . . 
. . . 
127 
34 
00 
July 24, 9^ a.m. 
P 
9 
1 
29.70 
+ 43 
128 
13 
47 
These observations 
9.55 
P 
9 
3 
. . . 
to 
128 
33 
52 
are the difference 
between the true 
10.35 
P 
9 
1 
. . . 
+ 47 
127 
49 
53 
and magnetic 
11 
11.20 
P 
9 
1 
. . . 
. . . 
128 
51 
00 
O 
/ * 
bearing of a me- 
ridian mark. 
P 
9 
1 
. . . 
. . . 
128 
08 
13 
\ 1 27 
47 50 
11.40 
P 
7 
1 
127 
37 
26 
The Compasses 
July 25, 
were removed, di- 
P 
9 
1 
29.56 
+ 48 
128 
38 
13 
rected, and le- 
10 to 111 a.m. 
P 
9 
1 
2 
to 
127 
48 
47 
veiled afresh, be- 
tween every ob- 
99 
P 
9 
. . . 
+ 43 
128 
03 
00 
servation. 
99 
P 
9 
2 
. . . 
. . . 
127 
45 
47 
99 
P 
9 
1 
. . . 
. . . 
127 
36 
33 
99 
P 
9 
1 
. . . 
. . . 
127 
51 
33 
99 
P 
9 
2 
. . . 
. . . 
128 
30 
47 
99 
P 
9 
2 
. . . 
. . . 
128 
11 
53 
V ” 
P 
9 
2 
. . . 
. . . 
127 
50 
58 
99 
P 
9 
1 
. . . 
. • . 
128 
18 
58 
July 27, 
S 
10 
2 
29.76 
+ 39 
127 
33 
50 
4 to 8 a.m. 
s 
10 
1 
. . . 
. . . 
128 
21 
15 
99 
s 
10 
2 
• . • 
. . . 
128 
05 
05 
99 
s 
10 
1 
. . . 
. . . 
127 
50 
00 
99 
s 
10 
2 
. . . 
. . . 
127 
37 
02 
99 
s 
10 
1 
• . . 
• • • 
127 
19 
50 
July 
B 
5 
1 
+ 37 
130 
45 
00 
99 
B 
4 
3 
. . . 
. . . 
130 
05 
00 j 
P 
