300 STAFF COMMANDEE EVANS AND ME, A. SMITH ON THE MAGNETIC 
Table III. — Iron-built Ships, Her Majesty’s Navy. 
deviation 
lib! I®* 1 
Ship. 
Compass. 
Place. 
Date. 
Approximate coefficients. 
Exact coefficients. 
A 
B 
C 
D 
E 
2t 
S 3 
e 
lit 
Orontes. 
(2812 tons), 
4 guns, 500 h.-p., screw. 
Built at Birkenhead ; 
head N. 66° W. magnetic. 
Launched Nov. 22, 1862. 
Standard. 
Plymouth ...May 26, 1863 
Portsmouth ...July 7, 1863 
G.ofGoodHope, Nov. 1864 
-0 31 
-0 2 
-1 40 
0 1 
- 7 45 
- 6 55 
“ 9 39 
0 ! 
-12 20 
-12 0 
— 10 41 
+5 46 
+5 30 
+5 49 
0 1 
-0 24 
-0 13 
0 0 
-009 
•000 
— •029 
-141 
-•125 
-•177 
-•203 
-•198 
-•178 
+•100 
+•096 
+•101 
-•007 
-•004 
•ooc 
U 
•234 
F 
p 
Starboard 
steering. 
Portsmouth ...July 7, 1863 
-0 43 
-10 27 
-13 7 
+7 16 
-0 22 
-•012 
-•191 
-■213 
+•126 
— 00( 
u 
Tamar. 
(2812 tons), 
4 guns, 500 h.-p., screw. 
Built at Millwall, River 
Thames ; head West. 
Launched Jan. 5, 1863. 
Standard. 
Sheerness Nov. 21, 23, 1863 
Portsmouth ...Oct. 1864 
+0 18 
+0 4 
+ 1 42 
+ 2 11 
-10 49 
- 5 26 
+3 18 
+3 11 
+0 33 
+0 22 
+•005 
+•001 
+■031 
+•038 
-•184 
-•095 
+■058 
+•056 
+■011 
+ 001 
f 
■» 
Starboard 
steering. 
Sheerness Nov. 21, 23, 1863 
-1 50 
+ 7 15 
-17 14 
+3 27 
+0 8 
-•032 
+•128 
-•288 
+•060 
+-ooJ 
■SIS 
Adventure. 
(1794 tons), 
400 horse-power, screw. 
Built at Birkenhead. 
Launched Feb. 17, 1855. 
Standard. 
Greenhithe . . .April 26, 1 862 . . . 
Greenhithe ...Oct. 28, 1862 .. . 
Yokohama, Japan. . .Nov. 1 1 , 1 864. 
+0 2 
+0 8 
- 4 5 
- 3 59 
- 3 28 
+ 10 59 
+ 10 59 
+ 8 4 
+2 56 
+2 53 
+2 49 
+0 26 
+0 10 
—0 19 
■000 
+•002 
-073 
-•071 
— •061 
+•186 
+■186 
+ -I 39 
+ 051 
+•050 
+ ‘°49 
+-00'| 
+•00 
i* 
-B 
1* 
Dromedary. 
(647 tons), 
100 horse-power, screw. 
Standard. 
Greenhithe ...July 8, 1862 
Greenhithe .. .Dec. 16, 1862 
-f"V 32 
+0 21 
+ 50 
+ 4 59 
-11 50 
-10 55 
+6 0 
+5 33 
+0 14 
+0 44 
+■009 
+•006 
+■091 
+•091 
-•194 
-•179 
+•104 
+■097 
+•041 
+•01; 
L 
# 
Wye. 
(700 tons), 
100 horse-power, screw. 
Standard. 
Greenhithe ...Sept. 1, 1863 
+0 25 
+ 3 24 
+10 50 
+ 1 31 
+0 5 
+•007 
+•059 
+•186 
+•026 
+•00 
H 
Caradoc. 
(676 tons), 
Paddle-wheel, 350 h.-p. 
Built at Blackwall. 
Launched July 1847. 
Standard. 
Greenhithe ...Feb. 12, 1863 
-0 43 
-13 28 
- 2 54 
+2 3 
-0 7 
-•012 
-■238 
-049 
+•036 
—•00 
!ffl ; 
*1 
1 
Industry. 
(638 tons), 
Screw, 80 horse-power. 
Built at Blackwall. 
Launched 1854. 
Standard. 
Greenhithe ..March 14, 1863 ... 
-0 13 
+ 11 32 
- 2 16 
+2 58 
-0 6 
-•004 
+•206 
-•038 
+•052 
-■00 
Supply. 
(638 tons), 
Screw, 80 horse-power. 
Built at Blackwall. 
Launched June 1854. 
Standard. 
Greenhithe ...Oct. 17, 1863 
-0 12 
-13 32 
- 1 40 
+2 55 
+0 16 
-•003 
-•240 
-•028 
+ ■051 
+•00 
