377 
. 
I 
: 
! 
chronometers by the proximity of masses of iron. 
Observations on Xo. V. continued at the Royal Military Academy. 
s. 
P- 3 ° 
/ 6 . 
7 
8 
9 
Ther- 
mo- 
meter 
Clock 
Rate. 
Chronometer 
+ or — 
at Noon. 
Daily Rate 
of Chrono- 
meter. 
Mean Rate 
in each 
position. 
Gain or Loss 
per day in 
each po- 
sition. 
Time of ten 
Compass 
Vibrations. 
Proportiona 
Magnetic 
intensity. 
Position of Chronometer, Remarks, &c. 
59 
59 
57 
* 
j- i-o6 
-0 7 
+ 0 5°'4 
+ 0 49 2 
-j-o 48 0 
) " 
> — o-6 
—17 
1 - 2 
1 - 2 
. 
—o-6 
— 1'6 
27-0 
too 
150 
r 
r 
Detached. The farther observations trans- 
ferred to the Royal Military Academy. 
Placed to North of ball on the floor; height 1 
inch ; distance from vertical 1 2 inches, or lat. 
44 0 S' N. long. 90°, central distance 13-2 in- 
ches. 12 o’clock. South. 
10 
11 1 
12 
13 
H 
57 
57 
60 
56 
54 
— 0 25 
— o-o 
+ 0 46-5 
+° 45-5 
+0 42-5 
+0 40 5 
+ ° 37'5 
— 1'5 
1 O 
—30 
—2-5 
—2-5 
' 
J 
^ — 21 
— 2 3 
3 °-o 
r 
u 7 { 
1 
1 
Placed to the North of ball ; height from floor 
inches; distance from vertical 10 inches, 
corresponding to lat. 191° N. long. 90°, cen- 
tral distance 10 inches. ~ 12 o’clock. South. 
15 
16 
17 
54 
54 
54 
— 0 I 
+0 36 2 
+ ° 34'3 
+ 0 32-5 
— 1*3 
—1-9 
—i-8 
' 
’“" 7 
— 1-9 
23-0 
199 j 
Placed to the South of ball ; height 8 inches, dis- 
tance from vertical 10, or lat. 28 0 -2' S. long. 
90°. central dist. io- 1 inch. ; 1 2 o’clock, S. 
18 
19 
20 
21 
55 
5 6 
55 
55 
— 0-25 
+ 0 29 9 
+ 0 267 
-40 247 
+ 0 23-2 
2-6 
— 3 -z 
2‘0 
—*■5 
' 
-, 3 
—2-5 
225 
208 * 
Placed South of ball ; height 12 inches ; dis- 
tance 10 inches, corresponding to lat. 48° 30' 
S. long. 90°, central distance 11-4 inches. 
1 2 o’clock. South. 
22 
J 3 
2 4 
2 ? 
53 
5 ° 
5 ° 
5 i 
0 * 2 C 
+ 0 19 6 
+ 0 18-4 
+ 0 17-2 
+ 0 1 65 
—3 ‘6 
1 2 
— 1*2 
— 07 
' 
• -.7 
—i-9 
22‘5 
208 1 
Same situation, but with the 12 o’clock turned 
to the East. 
* The clock rates from April 30th, are for the Astronomical Clock at the Royal Military Academy, by Pennington, 
