276 
MAGNETIC SURVEY IN NORTH AMERICA. 
Table XIII. 
Observations with Needle F. A., by Lieut. Younghusband, R.A., in November 1842. 
Station. 
1842. 
Angles of deflection with 
weights of 
Tempera- 
ture. 
Intensity. 
Remarks. 
1'5 gr. 
2‘0 grs. 
2-5 grs. 
Toronto . . . . ^ 
Oct. 29. 
Dec. 30. 
O / 
21 14-6 
21 18-5 
27 00-5 
27 08-0 
33 11-6 
33 08-2 
O 
53 
43 
| 1-836 
Base station. 
Cleveland .... 
Detroit 
S.ManitouIsland 
Chicago .... | 
Nov. 3. 
4. 
7. 
15. 
16. 
21 34-4 
21 23-4 
21 15-5 
21 26-7 
21 29-7 
not ob- 
served. 
27 12-3 
26 55-8 
27 14-1 
27 12-7 
33 58°3 
33 25-8 
32 55-0 
33 26-4 
33 25-1 
56 
47 
54 
47 
47 
1-807 
1-826 
1-846 
| 1-823 
Inland from the Wharf. 
4-0 yards from the W-’harf. 
40 yards from the Wharf. 
Dr. Eldridge’s Garden. 
Table XIV. 
Observations on the Magnetic Force with Fox’s Needle F. A., between Toronto and 
Norway House, from January 1844 to July 1844. 
Station. 
1843. 
Angles of deflection with weights of 
Thermo- 
meter. 
ntensity. 
Remarks. 
2-0 grs. 
2’5 grs. 
3'0 grs. 
3'5 grs. 
4’0 grs. 
Toronto 
= 1-836. 
Toronto \ 
Jan. 4. 
4. 
12. 
12. 
12. 
14. 
14. 
16. 
March 8. 
8. 
9. 
April 6. 
7- 
21 09-9 
21 08-8 
21 12-3 
21 21-8 
21 09-4 
21 12-6 
21 10-0 
21 14-7 
21 17-6 
| 
1 
26 52-2 
26 45-9 
27 04-2 
27 00-3 
26 53-1 
26 58-8 
27 08-4 
27 16-6 
27 16-1 
27 06-1 
26 57-6 
27 08-3 
33 05-0 
33 02-8 
33 21-6 
33 15-2 
33 14-8 
o / 
o / 
46 45-4 
46 42 1 
26 
27 
36 
35 
34 
30 
27 
34 
60 
59 
60 
46 
59 
33 07-4 
32 59-7 
33 06-1 
33 05-0 
33 06-0 
33 12-0 
39 34-4 
39 22-0 
39 24-5 
46 41-4 
46 42-5 
46 42-1 
46 42-7 
46 57-9 
46 53-0 
Mean. . 
21 13-0 
27 02-3 
33 08-7 
39 27*0 
46 45-9 
46 
1-836 
Base station. 
St Helen’s 
Isle d'Urval 
La Combes 
P te aux Chenes 
Foxes Point 
Chat Falls 
Grand Calumet 
Fort Coulonge 
P te Bapteme 
Deux Joachims Portage. 
Trou Portage 
Little River 
L. du Grand Vase 
Ricolet Falls 
P te au Croix 
April 25. 
30J 
May 2. 1 
3. 1 
4. 1 
6. 1 
7J 
8.1 
9. 
ioJ 
11. 1 . 
12.21 10-7 
13. 1 . 
15.1 
16. 1 
1 
27 21-9 
27 27-2 
26 44-2 
27 47-2 
27 10-3 
26 49-1 
27 24-9 
26 47-2 
27 22-2 
27 22-0 
27 07-5 
27 10-1 
26 44-0 
26 21-0 
26 14-6 
33 21-4 
33 37'0 
33 23-2 
33 47-7 
32 56-0 
33 03-8 
33 29-6 
33 01-8 
33 24-1 
33 31-8 
33 12-6 
32 47-6 
33 02-9 
32 55-8 
32 52-7 
39 58-9 
40 30-9 
39 43-5 
40 43-0 
39 35-2 
39 15-2 
40 01-4 
39 31-0 
40 00-2 
40 02-7 
39 36-7 
39 49-6 
39 53-7 
38 31-4 
39 40-€ 
47 55-0 
47 05-4 
47 54-8 
46 42-2 
46 33-6 
47 05-1 
47 10-5 
47 13-4 
46 56-9 
46 48-3 
46 23-2 
47 08-6 
45 44-2 
46 as -4 
54 
47 
48 
56 
50 
53 
74 
55 
57 
74 
80 
78 
72 
61 
49 
1-821 
1-805 
1-833 
1-800 
1-837 
1-846 
1-826 
1-841 
1-822 
1-827 
1-842 
1-836 
1-843 
1-871 
1-852 
