CAUSES OF DRIFT. 
Report of Practice. 
TABLE V. 
Shoeburyness, 9th April, 1864. 
Barometer, 30°3 in, 
Direction of Wind 
Wind,—South-east, 2 | 
we 
oe 
vw 
ito) 
| No.of round. 
=z woe | Elevation. 
OMNADUFWWH 
Projectile. 
Time of 
flight. 
Nature. ea 
lbs. sec. 
47-0 2-9 
i ees 2°9 
6 a0 3:0 
a C 5 4:2 
— Centre of gravity 3-9 
‘8 towards point. 40 
o 
= | 5:0 
5:2 
less 5:0 
415 5-4 
Seed 4-0 
Service shot............ sie GINS: 
3-0 
Range. 
yds. 
890 
899 
900 
1234 
1149 
1215 
1396 
1456 
1398 
795 
1751 
1432 
1387 
1014 
1024 
Deflection. 
Left. |Right. 
yds. 
line 
line 
“4. ; 
line 
line 
“4 
Remarks. 
/ 
< 
\ 
| 
! These shot were 
| unsteady. 
| 
) 
/ 
\ | 
/ 
i 
/ 
| 
The gun was fitted with new pattern sights, and no allowance given 
for deflection, the axis of the piece pointing therefore along the range. 
TABLE VI. 
Shoeburyness, 18th April, 1864. 
Report of Practice. 
Barometer, 
Wind,—South, 2. 
Direction of Wind 
\e 
| No.of round, 
too | Elevation. 
OUR co bo 
S 
i] 
ow 
Pt ep ee et 
CUR WNW H Oo 
iS) 
Projectile. 
, Mean 
Nature. weht. 
lbs. 
(| 41°5 
Service shot............ 4 
| 
r) 47-0 
if sc 
is) 
| 
“ Centre of gravity 
S towards base. 1 
2 
2 
M 
Time of 
flight, 
BORD OW 09 CO He HE HR OF HD Go B 
DNHDDADAMBAANWONSHS 
Range, 
yas. 
1018 
1014 
1407 
1364 
WTS) 
1706 
1362 
1336 
1369 
1093 
1145 
Deflection. 
Left, |Right. 
yds. | yds. 
8 a6 
16 oe 
12 bh 
pad 4 
6a 2-2 
abe 16 
8 ae 
10 
7-4 
6 
5 
126 
4°6 
44 
Tee 
Remarks. 
| 
| 
roken graze. 
SS eo 
