THE EOYAL AETILLEEY INSTITUTION. 
257 
545 
548 
110-pr 
Arm¬ 
strong 
gun. 
550 
551 
0-pr 
130-pr 
Whit- 
L.T.* 
9-inch 
gun, 
Projectile. 
Cast- 
iron 
solid 
shot. 
lbs.oz 
65 15 
Steel 
solid 
shot. 
Steel 
shell. 
Shell, 
homo¬ 
gene¬ 
ous 
metal. 
Steel 
solid 
shot. 
Cylin¬ 
drical. 
lbs. oz. 
Effects. 
Struck the 5*5" plate 4" to the 
right of 6 vertical and 3-5" 
above 2 horizontal; a bolt, 
14" from impact, started -3", 
and a narrow crack, 8" long, 
on indent. 
Struck the 6'5" plate 3" to the 
right of 6 vertical and 5" 
above 2 horizontal. 
.. . Struck the 7*5" plate 6" to the 
! eft of 6 vertical and 8" above 2 horizontal. At the back, after rounds 4, 5, and 6, 
two rivet-heads off; a bulge, and lateral crack across it, in the 5 - 5" plate; the backs 
of the 6-5" and 7"5" plates, where struck, could not be seen. 
Eemarks. 
301 | Cylin-jl4-0 
drical. 
145:271 
4EI 6*2 112-9 (1293-1 |Struck the 7-5" plate 8" to the 
left of 4 vertical and 7-5" 
I I | I above 2 horizontal, on a rib; 
the top of the plate was driven in 1-3" in a length of T ; bolt above the hole made 
by this shot started -9"; a narrow crack, 4"long,from the top of the plate; the 
right side of the plate started out from the backing *7" at top and -8" at bottom, 
the left side started out -5" at top and ’7" at bottom; the shot set up 2*25" 
and was cracked at the side through the “ aillette ” holes and also across the rear. 
At the back twenty rivets broken; no nuts off the through-bolts, but many washers 
much compressed and altered in form, and two iron tires, for resisting the spread 
of the washers, driven off, and one broken; angle iron on vertical rib cracked through 
and bent out; horizontal angle iron cracked and started considerably; fastenings of 
heavy iron shelf-piece broken, and shelf-piece ready to give way. This plate 
exhibited a considerable amount of fibre in the hole made by the shot to a depth of 
3" from the front of the plate. 
Cylin-200 
drical, 
with 
cast- 
iron 
head. 
11 0 
25 
1318-4 
148 
Struck the 5*5" plate 1' to the 
right of 2 vertical, and 7" 
below 2 horizontal, the shell 
completely penetrated the 
plate and burst in the back¬ 
ing, the hole being filled with 
portions of shell. The diameter of the hole was 14" x 14-3"; the plate was driven in 1-8" 
in a length of 4', and cracked from the bottom of the hole to the bottom of the plate, 
and was forced up from the centre plate -5" in a length of 4'; started from backing 
*7" at left side ; bolt in top row of centre plate started 3"; outside baulk of timber 
backing driven out at the side 1-7" and split through its thickness at the top, and 
the backing at point of explosion completely destroyed and fired. At the back, one 
vertical rib and angle-iron broken; inner skin and additional iron plates (riveted to 
back of skin) rent and bulged; depth of fracture and bulge 14" over an area of 
3' x3'; horizontal angle-iron along the top cracked and thrust out; washers more 
squeezed, and more rivets off. 
at 524' 
Struck the 5-5" plate 5-5" (mea¬ 
suring from circumference to 
circumference of the holes) 
to the right of the last round, 
and 6" below 2 horizontal, 
penetrated the plate, and burst in the backing; the timber backing from the hole 
;o the top of the target was completely blown out at the top; diameter of hole 9-5" 
x9", a narrow crack uniting the two holes. At the back, a slight increase of 
breakage of rib, and thrusting out of fragments of skin and its support; wooden 
fibre of backing more* protruding. 
at 546' 
Cylin¬ 
drical, 
21-0 
5 12 
25 
15 
” 
2 E 
1267-8 
E. E. 
1 Cylin-|21-5 1 . 
.. |50|20| 
, 1 nil. 1 ... 
I ... 11222*01] 
drical, ! 
| K. E. 1 | 
1 
1 
1 
Lynall Thomas’s. 
