140 
MR. A. W. RtTCKER AND DR. T. E. THORPE ON A MAONETIC 
66. BrjDE Haven, T. E. T, (61, 83). 
(а) April 11 and 15, 1887 ; Lat. 50° 49' 34" ; Long. 4° 32' 37". On the upper 
walk of the kitchen garden of the Falcon Hotel, and on the W. front of the 
house, 
(б) April 12, 1887 ; Lat. 50° 49' 42"; Long. 4° 32' 54". On Efford Down near 
the Compass Tower, which bore 75° W. of N. (mag.). Belfiy of Efford 
House 10° E. of S. (mag.). Entrance lock to Bude Canal 68° E. of N. (mag.). 
Declination. 
Date. 
2. 
Ct.M.T. 
c. 
^0- 
li. m. 
li. m. 
o / 
O 1 
April 11 . . 
- 1 46 
+ 37 
11 2 
15 2 
19 50-1 
19 52-2 
20 OT 
„ 22 . . 
- 1 32 
11 13 
19 43-9 
+ 2 44 
14 41 
19 43-5 
19 52-9 
„ 15 . . 
- 0 20 
12 26 
19 44-2 
Inclination. 
Date. 
Needle. 
G.M.T. 
0. 
do- 
April 11 . . 
„ 12 . . 
1 
2 
1 
2 
h. m. 
15 68 
14 31 
13 46 
14 16 
67 44-8 
67 40-2 
67 41-8 
67 41-1 
O / 
67 44-2 
Horizontal Force. 
Date. 
G.M.T. 
H. 
Ho. 
li. m. 
April 11 . . 
D 
12 14 
1-8126 
1 .OOQ K 
V 
11 47 
1-8100 
1 O\JO0 
12 , . 
D 
12 2 
1-8103 
V 
11 36 
1-8104 
I OU/0 
