THE ROYAL ARTILLERY INSTITUTION. 
319 
Projectile. 
Effects. 
| Number of round. 
| Photographic No. 
4 
o 
=4-1 
o 
a> 
1 
1 
"c3 
Weight. 
Form. 
\ Charge in lbs. 
| Elevation. 
-3 
.9 
§0 
§ 
| Deflection. 
Depth of indent 
in inches. 
Diameter of in¬ 
dent in inches. 
1 Bulge of plate 
in inches. 
Remarks. 
28 
591 
300-pr 
Cast- 
iron 
solid 
shot. 
lbs. oz. 
149 10 
Sphe¬ 
rical. 
10-369 
diam r . 
50 
18 
200 
nil. 
Struck at the junction of the upper and 
centre plates, at 3' 6" from right side 
of the target; penetrated to a depth 
of 11", and made a hole in the front of 
the target measuring 14" x 11"; two 
through bolts broken, one at 15" from 
point of impact; five inner armour- 
plate bolts broken, and one driven in 
3"; five rivets broken; a rib bulged 
out 2" in a length of 4', and another 
rib bent in 3'; considerable bulge 
of skin over a space of 3' x 2', and 
the skin opened at the junction of 
the plates; one angle-iron of rib 
broken. When the front armour 
plate was removed, the backing was 
found to have been affected for about 
3' 6" on each side of the hole, being 
2" out of the plane at the greatest 
depth. 
29 
592 
33 
5 
n 
Struck the lower plate 10" from the 
right side and 8" from the top, touch¬ 
ing a bolt; made a hole in target 12" 
diameter,penetrated to adepth of 12", 
and shot broke up in hole; the upper 
right-hand corner of the plate, the 
sides measuring 11" x 9", was de¬ 
tached and was forced 4" into the 
backing at the side next the hole; 
two inner armour-plate bolts and 
three rivets were broken; the skin 
was slightly bulged over a space of 
2' x 1' 6", and was cracked for a 
length of 12", the crack being -6" 
wide in the widest part; one angle- 
iron of rib broken, and the india- 
rubber washers of the through bolts 
much compressed. 
[VOL. III.] 
B B 
