324 
MAGNETIC SURVEY IN NORTH AMERICA. 
Table XLIX. 
Inclinations observed with the Needles of Fox’s Apparatus in Canada and the 
United States in 1842. Needle F. A. was always employed except when otherwise 
noticed. 
Station. 
1842. 
Direct or with 
deflectors. 
Quebec" 
Sept. i. 
Direct. 
O 
77 
Quebec” 
I. 
Def. N. at 40° 
77 
Quebec 3 
I. 
Def. N. at 50° 
77 
Three Rivers'* 
6. 
Direct. 
77 
Three Rivers'* 
6. 
Def. N. at 40° 
77 
Three Rivers'* 
6. 
Def. N. at 50° 
77 
Sorel L ' 
8. 
Direct. 
77 
Sorel c 
8. 
Def. S. at 40° 
77 
Sorel e 
8. 
Def. S. at 50° 
77 
Sorel d 
8. 
Direct. 
77 
Sorel d 
8. 
Def. S. at 40° 
77 
Sorel d 
8. 
Def. S. at 50° 
77 
Sorel e 
8. 
Direct. 
77 
Sorel e 
8. 
Def. S. at 40° 
77 
Sorel" 
8. 
Def. S. at 50° 
77 
Kingsey f 
IO. 
Direct. 
77 
Kingsey f 
IO. 
Def. N. at 40° 
77 
Kingsey f 
IO. 
Def. N. at 50° 
77 
Stanstead 5 
12. 
Direct. 
76 
Stanstead B 
12. 
Def. N. at 40° 
76 
Stanstead E 
12. 
Def. N. at 50° 
76 
St. John’s h 
*4- 
Direct. 
77 
St. John’s 1 * 
14. 
Def. N. at 40° 
76 
St. John’s 1 * 
14. 
Def. N. at 50° 
76 
St. Helen’s ‘(Montreal). 
l6. 
Direct. 
77 
St. Helen’s ‘(Montreal). 
l6. 
Def. N. at 40° 
77 
St. Helen’s ‘(Montreal). 
l6. 
Def. N. at jo° 
77 
New York k 
26. 
Direct. 
72 
New York k 
26. 
Def. N. at 40° 
72 
New York k 
26. 
Def. N. at 50° 
72 
Providence 1 
28. 
Direct. 
74 
Providence 1 
28. 
Def. S. at 40° 
73 
Providence 1 
28. 
Def. S. at 50° 
73 
Dorchester 1 ** 
Oct. 1. 
Direct. 
74 
Dorchester™ 
I. 
Def. N. at 40° 
74 
Dorchester™ 
’* 
Def. N. at 50° 
74 
Station. 
1842. 
Direct or with 
deflectors. 
Inclination. 
Cambridge 1 * 
Oct. 3. 
Direct. 
0 
74 
/ 
23-1 1 
O / 
Cambridge " 
3- 
Def. S. at 40° 
74 
167 
*74 I9-5 
Cambridge n 
3- 
Def. S. at 50° 
74 
187 
Philadelphia 0 
6. 
Direct. 
72 
007' 
Philadelphia 0 
6. 
Def. N. at 40° 
71 
58-1 
*7t 59'o 
Philadelphia 0 
6. 
Def. N. at 50° 
71 
5 8’o 
Baltimore p 
8. 
Direct. 
71 
34’° 1 
Baltimore 0 
8. 
Def. N. at 40° 
71 
35*4 
■71 36*0 
Baltimore 0 
8. 
Def. N. at 50° 
71 
38-5. 
Baltimore q 
8. 
Direct. 
71 
47 - 5l 
Baltimore* 1 
8. 
Def. S. at 40° 
71 
467 
■7i 47’ 5 
Baltimore q 
8. 
Def. S. at 50° 
71 
49-2 
Baltimore * 
8. 
Direct. 
71 
4 1 ’ 1 1 
Baltimore* 
8. 
Def. N. at 40° 
71 
4°’4 J 
7 7 1 40'7 
Washington” 
IO. 
Direct. 
71 
J 3’7 
Washington” 
10. 
Def. N. at 40° 
71 
13-8 
*7'i i3'8 
Washington” 
IO. 
Def. N. at 50° 
71 
1 3 ' 9 . 
Princeton 1 
14. 
Direct. 
72 
467 
Princeton 1 
14. 
Def. N. at 40° 
72 
40-0 
►72 43'5 
Princeton 1 
14. 
Def. N. at 50° 
72 
44’°. 
Newhaven 11 
18. 
Direct. 
73 
3 r 4 
Newhaven** 
18. 
Def. N. at 40° 
73 
247 
73 27*4 
Newhaven 3 
18. 
Def. N. at 50° 
73 
26*2 
West Point’ 
19. 
Direct. 
73 
3 3‘3 1 
West Point’ 
19. 
Def. N. at 40° 
73 
30-1 
7 7 50*4 
West Point’ 
19. 
Def. N. at 50° 
73 
27-6 
Albany w 
21. 
Direct. 
74 
5 ro 
Albany w 
21. 
Def. JN. at 40° 
74 
387 
74 44' 6 
Albany w 
21. 
Def. N. at 50° 
74 
44'2- 
Toronto 1 
26. 
Direct. 
75 
19-2 
Toronto 3 
26. 
Def. S. at 40° 
75 
14-9 
75 i6 '3 
Toronto" 
26. 
Def. S. at 50° 
75 
14-8 J 
Inclination. 
!?} 
77 
14 ' 
13-2 
*4‘3 
i6*i 
13-9 
i8*o 
i7'4 
14*0 
167 
77 
77 
77 
77 
77 
76 
J 5'3 
107 
177 
16-8 
16*3 
40*0 
J 9'5 
55 U 
10 4 I 
107 J 
I 3' 1 
39'5 
59‘3 f-73 59'9 
74 i2*S 
Observations made with the same Instrument by Lieut. Younghusband, R.A. 
Station. 
1842. 
Direct or with 
deflectors. 
Inclination. 
Station. 
1842. 
Direct or with 
deflectors. 
Inclination. 
Toronto x 
Toronto x 
Toronto x 
Cleveland 7 
Detroit 7 
South Manitou Island z 
South Manitou Island 3 
South Manitou Island 3 
Oct. 29. 
29. 
29. 
Nov. 3. 
4- 
7- 
7- 
7- 
Direct. 
Def. N. at 40° 
Def. N. at 50° 
Direct. 
Def. N. at 40° 
Def. N. at 50° 
0 / 0 / 
75 17-9] 
75 i9'3 1*75 i7’i 
75 i4‘°J 
77 03*8 73 03*8 
73 28*7 73 28*7 
75 55’U 
75 5 6 ’5 (*75 5 6 ' 6 
75 57'8j 
Chicago 
Chicago 3 * 
Chicago 3 ' 
Toronto 
Toronto 
Toronto 
Nov. 15. 
15- 
15- 
Dec. 30. 
30. 
3°. 
Direct. 
Def. N. at 40° 
Def. N. at 50° 
Direct. 
Def. N. at 40° 
Def. N. at 50° 
0 / 0 / 
72 37*6 T 
72 38*8 V72 39*3 
72 41*6 J 
75 1 6 * 0 ] 
75 i5'9 r 75 l6 ' 6 
75 17’U 
* In front of the Artillery Barracks. 
b Mr. Bell’s garden. 
c East of the Roman Catholic Church. 
d Needle C., poles direct a. 
c Needle C., poles reversed /3. 
f Captain Cox’s garden. 
g Hotel garden. 
h A quarter of a mile above the bridge. 
* 100 yards S.S.W. of barracks. 
k Lunatic Asylum, Manhattanville. 
1 A.t the Steam-boat landing. 
m Near Grove Hall. 
" Garden of Observatory. 
0 Magnetic Observatory. 
p 400 yards N. 42° E. from Washington’s 
Monument. 
q 600 yards north of Monument. 
r St. Mary’s College. 
5 In the grounds of the Capitol, west front. 
1 200 yards east of the College. 
" Near the Cemetery. 
’ Professor Bartlett’s garden. 
w N. 39° W. from north tower of the 
North Dutch Church. 
x Magnetic Observatory. Inclination ob- 
served on the same day with Gam bey’s 
needles, poles direct and reversed, 
75° 17'-6. 
7 By the angles of deflection with weights. 
3 Inland from the wharf. 
*' Dr. Eldridge’s inclosure. 
