THE ROYAL ARTILLERY INSTITUTION. 
255 
Projectile. 
Remarks. 
536 
130-pr 
Whit- 
worth. 
17-5 
nil. 
13 
1241-0 
537 
300-pr 
s.c.+ 307 
cylin 
dri- 
cal. 
R. E. 
18-5 
45 
4'R 
1228*< 
7-in 
gun. 
27-5 
Struck the plate below embra¬ 
sure V 8" from the top, and 
10 " from the left side, which 
was driven in -8" on the 
right side, and 1-1" on left 
side; the shot broke up and a 
portion remained in indent, 
the depth of which could 
therefore not be taken; the 
bottom bolt started 1", and a 
crack, made by previous firing, 
on plank No. 2, opened to 
*3". At the back, a through 
bolt 2' 6" from point of im¬ 
pact driven out; whole of 
bottom of embrasure set back, 
opening between front and 
rear planks -6"; a slight 
irregular starred crack on 
lower horizontal plank; lower 
horizontal frame piece rather 
more bulged back. 
Struck at the junction of planks 
3 and 4, 3' 2" from the top of 
the target; a portion of the 
shot remained in plank 3; the 
cracks at the top and bottom 
of this plank made by round 
No. 3 much enlarged, and 
now measure -6" and -9" in 
width. At the back, a through 
bolt (the second from the top 
of the third row from left) 
broken; through bolt, top of 
second row from left, much 
squeezed up ; vertical frame 
piece considerably bulged(now 
1-2") ; horizontal planks 2, 3, 
and 4 from top also bulged; 
3 and 4 horizontal planks 
opening out from front planks 
1" at left side of embrasure. 
The gun burst, and the shot did 
not strike the target. 
* Solid shot, Frith’s steel. 
f Solid cast-iron shot. 
J Solid steel shot. 
