IN WOOD-BUILT AND IRON-BUILT SHIPS 
69 
No 
13.* 
14. 
15. 
16. 
Ship’s name 
Trident. 
Pandora. 
Maeander. 
Place of observation 
Malta. 
Plymouth. 
Auckland. 
Sheerness. 
Time of observation 
1847. 
1851, February. 
1853, January. 
1852, September. 
Index correction 
— 0° 38' 
+ 0° 47' 
+ 0° 43' 
+ 0” 15' 
Approximate modulus 
•240 
•043 
•045 
•021 
Approx, starboard angle ... 
31‘’-64 
0'’-28 
14P-50 
2P-33 
Obsei'ved 
deviation 
nn cor- 
rected. 
Residual 
error. 
Observed 
deviation 
uncor- 
rected. 
Residual 
error. 
Observed 
deviation 
uncor- 
rected. 
Residual 
error. 
Observed 
deviation 
uncor- 
rected. 
Residual 
error. 
Apparent azimuth of ship’s head. 
_ _ 
P 
r 0 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
30 
31 
o / 
+ 1 19 
+ 4 29 
+ 6 59 
+ 11 19 
+ 14 9 
+ 14 59 
+ 15 29 
+ 14 29 
+ 13 19 
+ 12 9 
+ 10 9 
+ 99 
+ 79 
+ 69 
+ 4 59 
+ 3 39 
+ 2 29 
+ 0 19 
— 1 21 
— 2 51 
— 5 1 
— 7 21 
— 9 31 
— 10 41 
-12 51 
— 14 21 
— 14 21 
— 15 1 
— 14 21 
— 11 31 
— 8 41 
— 4 21 
(+1 40) 
+ 2 8 
+ 2 0 
+ 3 52 
+ 4 29 
+ 3 26 
+ 2 28 
+ 0 29 
(-1 9) 
— 2 15 
— 3 38 
-3 29 
-3 55 
— 2 56 
-1 47 
— 0 37 
( + 0 52) 
+ 1 24 
+ 2 22 
-rS 20 
+ 3 23 
+ 2 56 
+ 2 14 
+ 2 3 
(+0 21) 
-1 13 
-1 50 
-3 39 
— 4 33 
— 3 42 
-3 11 
— 1 21 
o / 
+ 0 10 
+ 0 30 
+ 0 50 
+ 0 50 
+ 1 45 
+ 1 20 
+ 1 50 
+ 1 55 
+ 2 5 
+ 2 0 
+ 1 20 
+ 0 50 
— 0 25 
— 1 10 
— 0 20 
-0 40 
-0 45 
-1 25 
— 1 0 
-1 50 
-2 0 
-2 10 
-2 40 
-3 0 
-3 40 
— 4 17 
-3 50 
-3 50 
— 2 30 
— 2 40 
-1 20 
— 0 50 
( + 6 48) 
+ 0 40 
+ 0 32 
+ 0 7 
+ 0 41 
-0 1 
+ 0 16 
+ 0 15 
( + 0 24) 
+ 0 23 
-0 7 
— 0 22 
-1 18 
-1 39 
-0 23 
-0 15 
( + 0 11) 
-0 1 
+ 0 52 
+ 0 27 
+ 0 38 
+ 0 45 
+ 0 28 
+ 0 14 
(-0 25) 
-1 6 
-0 49 
— 1 4 
— 0 3 
— 0 37 
+ 0 17 
+ 0 19 
o / 
0 0 
-0 4 
— 0 45 
-1 33 
— 1 30 
— 1 56 
— 1 50 
— 2 35 
— 2 40 
— 3 27 
— 3 25 
— 3 45 
-3 23 
-3 28 
-2 50 
— 2 16 
— 1 35 
-0 36 
+ 0 20 
+ 0 50 
+ 1 26 
+ 1 0 
+ 1 10 
+ 0 55 
+ 1 40 
+ 2 36 
+ 1 35 
+ 0 47 
+ 0 30 
+ 0 45 
+ 0 5 
+ 1 5 
(-0 2) 
+ 0 24 
+ 0 13 
— 0 5 
+ 0 21 
+ 0 26 
+ 0 52 
+ 0 23 
( + 0 31) 
-0 11 
-0 9 
— 0 34 
— 0 25 
— 0 46 
-0 28 
— 0 20 
(-0 7) 
+ 0 22 
+ 0 48 
+ 0 48 
+ 1 1 
+ 0 4 
-0 6 
— 0 37 
(-0 5) 
+ 0 46 
— 0 15 
-0 58 
-1 2 
-0 31 
-0 51 
+ 0 40 
+ 6 30 
+ 0 45 
+ 0 35 
+ 0 30 
+ 0 45 
+ 0 55 
+ 1 0 
+ 1 0 
+ 0 30 
+ 0 30 
+ 0 30 
+ 0 30 
-hO 20 
+ 0 25 
0 0 
0 0 
-0 10 
— 0 35 
-1 40 
— 1 40 
-2 10 
-2 0 
-1 40 
— 1 30 
— 1 30 
— 1 25 
— 0 40 
-0 40 
— 0 20 
— 0 20 
-0 20 
— 0 15 
( + 0 14) 
+ 0 18 
-0 3 
— 0 16 
-0 7 
0 0 
+ 0 4 
+ 0 6 
(-0 19) 
— 0 11 
— 0 2 
+ 0 9 
+ 0 12 
+ 0 31 
+ 0 19 
+ 0 33 
( + 0 36) 
+ 0 22 
— 0 32 
-0 24 
-0 48 
-0 35 
-0 4 
-0 6 
(-0 11) 
— 0 14 
+ 0 32 
+ 0 21 
+ 0 18 
+ 0 4 
-0 9 
-0 28 
Quadrantal coefficients 
L 
+ 3 46 
-3 43 
+ 3 32 
-3 54 
+ 0 30 
— 0 44 
+ 0 41 
-0 37 
o t 
+ 0 31 
— 0 35 
+ 0 28 
-0 26 
O / 
0 0 
+ 0 18 
— 0 25 
+ 0 5 
Mean quadrantal coefficient 
+ 3 44 i 
+ 0 38 
+ 0 30 
-0 12 
True modulus 
•245 
•044 
•045 
•021 
True starboard angle 
31'’-67 
OP-27 
14P-52 
2P-32 • 
