distribution, &c. of the magnetic intensity in ships of war. 347 
— 
Stations. 
Intensity. 
Direetion of the 
Ship’s Head. 
Changes of 
Intensity. 
Change of 
Ship’s Head 
in Points. 
Starboard Section. 
C" 
129.92 
126.42 
NE byE 
E by N 
— 3 - 5 ° 
• 
H" 
95 - 7 * 
9479 
92.70 
wsw 1 w 
W by S 
W by S A W 
— - 0.92 
— 2.09 
1 
X 
2 
L" 
1 19.68 
116.31 
113.07 
1 10.48 
wswf w 
W by S 
W by S \ W 
W by S l W 
— 3-37 
— 3-24 
— 2.59 
1 
2 
1 
2 
I 
4 
E"' 
101.73 
100.50 
99 - 3 ° 
94.49 
SSWf W 
SW by S 
SWfW 
SW by W i W 
— 1-23 
— 1.20 
— 4.81 
X 
2 
if 
i 
Middle Section. 
z 
104.96 
111.39 
E AS 
ENE 
+ 6 -43 
2f 
1 15.62 
”374 
1 13.07 
1 ”77 
1 10.10 
S 
Sby WjW 
SSW 
SSW| W 
ssw 4 w 
— 1.88 
— 0.67 
— 1-30 
— *-67 
if 
1 
2 
I 
4 
I 
4 
^/// 
” 5-34 
131.07 
SW 
SW by S A S 
+ 5-73 
if 
Larboard Section. 
a!' 
90.68 
9 6 -33 
8974 
ENE 
ENE AN 
EbyNf N 
— 5.65 
— 6.59 
1 
2 
I 
b" 
65.68 
70.29 
77-53 
E by S 
E A N 
ENE f-E 
+ 4.61 
+ 7 - 24 
if 
2 
k" 
1 18.12 
120.99 
SW by W A W 
SW 
+ 2.87 
1 
Some analogy may be traced between the magnetic changes 
recorded in the above table, and those which an iron mass 
undergoes when its situation is altered with respect to the 
magnetic meridian. If, for example, a number of points be 
assumed in an iron mass in the direction of the magnetic 
