OBSERVATIONS OF THE MAGNETIC FORCE. 
283 
Table XXIV. 
Observations on the Magnetic Force with Lloyd’s Needle L. B., between Norway 
House on the 11th of August 1843, and Athabasca on the 20th of October 1843. 
Station. 
1843. 
Angles of 
deflection. 
Tempe- 
rature. 
Inclination. 
Intensity. 
Remarks. 
Toronto = 1-836. 
Norway House 
Aug. 11. 
o o 
V G* V'* 
r—t r— 1 
°CD 
G* O* 
1 1 
68 
58 
O t 
Mean . . 
— 25 44-5 
63 
81 09-8 
1-873 
Base station. 
Old Norway House 
Lake Winnipeg . . . 
Grand Rapid 
Cross Lake 
Cumberland House 
Cumberland House 
Isle a la Crosse . . . 
Isle a la Crosse . . . 
Athabasca 
Athabasca 
Athabasca 
Athabasca 
Aug. 12. 
14 . 
15 . 
16 . 
21 . 
21 . 
9. 
9. 
Oct. 20. 
20. 
20. 
20. 
Sept. 
24 28-0 
26 26-0 
24 02-0 
59*0 
24-0 
03-0 
18-0 
20-0 
33-0 
57'0 
41-0 
07-0 
-23 
-25 
-25 
-28 
-28 
-29 
-30 
-30 
-30 
80 
80 
80 
80 
45*4 
16-8 
21-5 
28-2 
80 30 
80 09*8 
81 37*7 
1*877 
1-860 
1-876 
1-877 
1-868 
1-845 
1-849 
Table XXV. 
Observations on the Magnetic Force at Stations in Canada with Lloyd’s Needles 
L. C. and L. D., in June and July 1845, by Lieut. Younghusband, R.A. 
Station. 
1845. 
05 
<V 
Mean angle of 
O u 
S £ 
Intensity. 
Remarks. 
<u 
deflection. 
£ C3 
z 
js £ 
E- 
Toronto = 1-836. 
< 
June 3. 
C. 
— 17 28-2 
62 
o / 
3. 
C. 
-17 38-6 
68 
4. 
c. 
— 17 34-8 
64 
4. 
c. 
— 17 32-7 
69 
5. 
c. 
-17 28-4 
61 
July 7. 
c. 
— 17 35-0 
75 
7. 
c. 
-17 32-3 
73 
Mean . . 
c. 
-17 32-9 
67 
75 13-0 
1-836 
>Base station. 
Toronto . . . . < 
June 3. 
D. 
— 13 50-4 
64 
3. 
D. 
— 13 58-9 
67 
4. 
D. 
— 13 38-9 
66 
4. 
D. 
— 13 34-7 
68 
5. 
D. 
— 13 28-5 
63 
July 7. 
D. 
— 13 44-9 
76 
7. 
D. 
— 13 35-2 
72 
Mean. . 
D. 
-13 41-8 
68 
75 13-0 
1-836 
Brockville . . j 
June 13. 
13. 
c. 
D. 
— 20 57-1 
— 16 52-1 
72 
83 
' 
■ 76 18-9 
1 812 
Garden at Rockfort. 
Cornwall . . j 
16. 
16. 
c. 
D. 
-19 36-6 
— 15 17-5 
66 
66 
. 76 16-4 
1-822 
Orchard behind Chesleys. 
Montreal. . . . \ 
18. 
18. 
c. 
D. 
— 24 05-5 
— 20 23-1 
70 
71 
' 
.77 08-6 
1-788 
Garden on the mountain. 
Quebec . . . . \ 
23. 
23. 
C. 
D. 
—22 39-6 
-18 29 -9 
70 
72 
1 
.77 08-8 
1-801 
Near Wolfe’s monument. 
Corrections have been made for the variations of temperature ; the coefficient q in these needles is -000052 
for L. C. and -000058 for L. D. 
