THE ROYAL ARTILLERY INSTITUTION. 
REMARKS. 
Struck the upper plate 12" from bottom, and 2' 6" from right side; radiating cracks on bulge at back. The 
armour plate, where struck, was not supported by any backing. 
Struck upper plate 8" from bottom on a bolt; crack on indent from bolt-hole; bolt started 1". 
Struck upper plate 6'5" from bottom, and 7*5" to right of last round. 
Struck upper plate 12" above last round. 
Struck 12" from bottom of upper plate; cone stuck as a splash. 
Struck upper plate 6" from top, and 4' 6" from left side ; indent very much cracked; plate cracked through its 
thickness at top, and opened in the weld for a length of V at 2" from front of plate. 
Struck on old indent. No use for comparison. 
Struck 7" from bottom, and 10" from left side of plate. 
Struck 6" from bottom, and 12" to right of last round; edge of indent on bolt-hole. 
Struck V 7" from bottom, and 7*5" from left side; bolt, at 12" from point of impact, started 1"; plate cracked 
through for 3" from rear side. 
Cone remained in plate; effect precisely similar to No. 5 round. 
At 2" Plate backed by 12" oe Wood. —Struck the plate 2' 8" from top, and V from right side, penetrated 
the plate, made a clean hole, and burst in the wood, all the shell in the hole; blew out part of the timber for 
a length of 2', and a width of 6". 
Struck the plate 8" above, and 3" to right of last round; penetrated plate and backing, and burst in earth bank 
in rear. 
Struck plate V 3" from top, and V 4" from right side; penetrated plate and burst in backing; piece of plate 
punched out and picked up at rear; bolts holding railway bar both broken; and plate driven forward 9" from 
backing. 
Struck the plate 2' 4" from top, and V from right; penetrated plate and burst in wood backing; nearly all the 
shell, which broke into about six pieces, found in rear. 
Struck the plate 6" from top, and V from right side; penetrated; powder blew in backing; shell found sticking 
in earth bank. 
Struck plate (Armstrong R.E.) 11" below No. 4 round, and 1'from right side; shell stuck in plate and was 
broken in half longitudinally. No explosion in wood backing. 
Struck 2' from bottom, and 4" from left side of plate; head of shell remained in plate, remainder rebounded 54 
yards; powder exploded. 
Struck 1' from top, and 5" from left of plate; shell could not be found. 
Struck the plate 12" from top, and 9" from left side; shell broke up; head remained in hole. 
Fresh Plate. —Penetrated2-65" to nearest part of shell; most of the shell, including interior chill, found in front. 
Struck 13" from top, and 14" from left side; cone remained in plate. 
Fresh Plate. —Struck 18" from top, and 16" from left side; penetrated through plate and backing, and into 
earth bank about 5'. Shell did not burst; bursting powder in bag. 
Nos. 681 and 682 were pired at an unbacked 3|-inch Plate. —Struck top edge of plate, and glanced 
over. 
Struck V from top of plate; crack on face of indent, and horizontal crack, 3‘5" long, on back of plate; shot 
rebounded 17 yards; a few small longitudinal cracks at front of shot. 
Struck the plate 2' 2" from top, and 13" from right side; penetrated plate and backing, glanced upwards, 
touched top of earth bank, and passed over it into the sea; bursting doubtful. 
Palliser’s 2" backed Plaje.— Struck at 3' 4" from top, and V 3" from left side. 
Struck 6" below, and 6" to right of last round; slight crack on face of indent. 
Palliser’s 2|" unbacked Plate. —Struck at 19" from bottom, and 16" from right side of plate; bulge in rear 
05", with slight vertical cracks. 
Struck 15" from top, and 14" from right side; bulge in rear, with cracks similar to last round. 
Struck 2\" plate 2' from top, and 14" from left; crack on face of indent. At back, bulge 1*", with vertical 
crack 5" long and 05" wide, and a horizontal crack, 3"" long, from centre of vertical one. 
Struck plate where backed by wood support; damage in rear could not be seen. 
Cone remained in plate; plate cracked in rear. 
Cone of shell in plate projecting in rear 1*5". 
