368 
ME. EYAXS OX THE DEYLITIOX OE THE C03IPAS.S 
Table I. — Iron-built Ships, Her Majesty’s {confimted). 
Date. 
Place of observation. 
Permanent coefficients. 
r 
oefficient _ 
ih 
B. i 
1 
Ship's 
forcv to 
Head. q 
Earth’s 
orizontal 
force 
= 1 - 000 . 
oefficient.^ 
c- I 
1 
Ship's 
forw-e to 
larboard. 
Earth’s | 
orizor.ral 
fiMW 1 
=lv». ! 
Ship’s name and Tonnage. 
A. 
1 
D. 1 
E. 
1847 . 
Jackal, 340 j 
O < 
— 0 15 
0 > 
+ 4 ^ 
C 
+0 22 
“ ! 
15 
C’ 2 I 2 a ' 
c 
- I 39 - 
-c-ciSS' 
continued. 
1 
+0 18 
+2 58 
+0 38 ; 
414 49 
0-25o7 
- 4 12 
-0+732 
Aug. 5, 1854. 
+0 10 
+3 8 
i 
-0 35 
1 
-flo 38 j 
0-2695 
- 9 31 - 
-0-1653 
May 10, 1859. 
+0 25 
+3 1 
+0 33 ' 
1 
414 10 1 
0-2447 
- 5 29 - 
t 
-0 0955 
QA Ift/lfi 
TTarpy, 343 
-0 15 
+2 54 
+ 0 48 
+ 7 3 
0-1227 
+ 2 19 
0 0404 
May 1, 1854. 
Falmouth 
-1 2 ' 
+2 41 
-0 30 
+ 8 43 
0-1515 
+ 0 49 i 
0-0143 
Dec. 23 , 1857 . 
- 0 15 ! 
1 
+2 50 
—0 18 
+ 6 14 
g-ic 86 
- 0 55 
— 0*0154 
Mar. 6 , 1860. 
Greenhithe 
+0 48 ' 
+2 32 
-0 4 
+11 12 
0-1942 
- 1 25 
-0 0247 
1845 
T<T5»:ARr), 340 
-0 3 1 
+3 49 
+0 19 
+ 13 31 
02337 
-23 
-0-0358 
April 7, 1 653. 
+0 34 1 
i 
+2 59 
+0 53 
1 
+ 10 49 
0-1877 
+ 0 36 
1 
1 
0*0105 ; 
Feb. 8 , 1858. 
+0 23 j 
+3 4 
+0 22 
+ 9 51 
0-1711 
+ 0 52 
00151 
—1 
0/1 
FrR-RQTTnnN’, 313 
-0 5 j 
+ 3 27 
-0 21 
+ 9 14 
0 1605 
— 7 47 
-0-1354 
-0 3 
+2 53 
-0 37 
+ 9 48 
0-1702 
— 5 47 
-01008 
Juno 5, 1858. 
Portsmouth 
+0 17 
+2 14 
+0 8 
+ 4 49 
0-0S40 
+ 0 51 
0014S 
ft Ifti^i 
Fairy ( Yacht), 312 
+0 3 
+ 1 58 
-0 17 
+ 3 55 
006 83 
+ 1 3 
00183 
i 
TV/T.^^ OO Ift^O 
+0 35 
+2 8 
+0 22 
- 7 46 
-0-1351 
- 0 32 
-0-0093 
1 
1 
1 
+0 5 
+1 50 
+0 30 
- 4 20 
—0-0756 
- 1 16 
- 0-0221 
Feb. 19, 1850 
Portsmouth 
1 
+0 35 
+3 33 
+0 31 
+ 13 25 
02320 
_ 1 15 
-0-0218 
1 
IQ 1RP»9 
L 
-0 33 
+3 23 
4-0 6 
+ 11 39 
0-2019 
- 0 33 
-0-0096 
Jan. 23, 1858 
1 Portsmouth 
i 
-0 20 
+3 11 
—0 22 
+ 11 23 
0-1974 
+ 22 
0-0355 
i 
Minx, 303 
J-O 15 
+3 7 
-0 6 
1 - 1 54 
— 0 0331 
- 2 20 
-0-0407 
1 
Oct. 14, 1859 
Greenhithe 
+ 1 37 
+4 29 
40 15 
I - 4 4S 
-0-0837 
1-41. 
-0-0729 
1 
j 
. Onyx, 297 
. -0 IS 
+3 42 
-0 24 
— 7 5-1 
-0-1374 
- 4 It 
. ,-0-0744 1 
184^ 
. +0 25 
+3 36 
40 25 
— n ot 
-0-0958 
^ - 3 51 
J ! -0-067/ 
1 
185C 
). Greenhithe 
1 
+0 39 
+3 26 
40 27 
1+2 1 ! 
0-040-1 
1 
' - 8 2 ; 
1 
j-0-145t 
J 
1 
1 
■' 
. Princess Alice, 270 . 
. +0 21 
+3 1 
40 10 
+14 5- 
1, 0-2571 
' + 0 2 - 
0-007t 
■Hor. 9/^ 1 
1 
. -0 7 
+2 55 
0 0 
' +12 5' 
1 0 - 224 ; 
- 0 1 
i -0 005. 
> 
1 
. +2 3 
+3 36 
-0 13 
+ 12 
0-208: 
- 2 3 
) -0-0-15 
July 26, 185 
Greenhithe 
i 
.. -0 12 
+2 32 
40 Ui 
i -t -10 
5 i 0-175 
1-14 
7 -0-031 
May 18, 185 
9.j Greenhithe 
.. Bann, 267 
..j -2 15 
+4 IS 
— 0 31 
1 +15 
6 1 0-260 
5 +14 4 
1 
6 0-254 
9 
* Fitted with iron tanks nearly the enth'c length of the vessel, for the purpose of carrying \Aater. 
t After a thorough rcpaii’, new boilers and funnel, and Standard compass placed 0 inches fuithei forWi\rd. 
