Capt. Sabine’s observations on the magnetic needle. 137 
On ice in Baffin’s Bay, lat 75° 5 if', long. 63° 06' W. 
In the magnetic meridian . 
Number of 
vibrations. 
Interval. 
Mean 
Time. 
</) 
Lr\ irv \j\ u-'i lo 
C »'*'*»*' *\ *s . 
O CO 
u ^ tj- -rf- tJ- 
<U 
CO 
100 
too 
m. s. 
7 21,5 
7 25 
Arc. 
O 
^f-oo VO >i-NCC N O 1-0 
OOLO'^-CONN'-^ 1 -*'-' 
No. of 
vibra- 
tions. 
ooooooocooo 
« N 10^0 t ^.00 Os 0 
100 
7 23,25 
Perpendicular to the meridian. 
Number of 
vibrations. 
Interval. 
Time. 
Arc. 
t 
No. of 
vibra- 
tions. 
1 
00000000000 
— N cr* rf- u-iVO r^oo OS 0 
On ice in Baffin’s Bay, lat. 7 6° 45', long. 76° W. 
In the magnetic meridian. 
Number of 
vibrations. 
Interval. 
Mean 
Time, 
-a 
C N ia rh tn tri cf) N '■^-roco 
D 
an 
100 
100 
m. s. 
7 »3 
7 17 
Arc. 
0 MlH 
VO O VO VO 00 N 00 *0 0 f^io 
00 VO ^ to N N 
No. of 
vibra- 
tions. 
00000000000 
» N Kl^ tJ-ivO tv.OO OS O 
100 
7 15 
Perpendicular to the meridian. 
Number of 
vibrations. 
Interval. 
Time. 
C tJ- c<“> rr> ro ro tJ- rf" 
<L> 
an 
too 
m. s. 
7 16 
Arc. 
; 
O r-KM r-HOt 
O N N rn CA N ui m 
OV i- m N N 
No. of 
vibra- 
tions. 
00000000000 
■-> N US SO t'-ca Os O 
mdcccxix. T 
