178 
MINUTES OF PEOCEEDINGS OF 
No. 1 round.—Struck the *9" plate at a spot above where it was backed 
by the millboard,, made a clean hole 2* 9" diameter through the plate, and 
the shot broke up. 
No. 2 round.—Struck the plate where backed; shot penetrated 3*9" and 
remained in the bole unbroken. The millboard was slightly forced out at 
the side, owing to its small area. 
No. 3 round.—Hit the plate at a spot l" below the top of the millboard; 
two inches of the rear of the shot broke off, the remainder remained in the 
hole, having penetrated 2* 5" into the millboard. 
[A piece of teak 7*9" thick was now put in rear of the *9" plate, just above the millboard, 
and resting against the 2^" plate and granite backing. 
The 6-pr. Armstrong gun was used at the same range.] 
No. 4 round.—The shot struck fair on the plate and wood, passed clean 
through both and remained whole in the wood, which was split in half. 
The shot penetrated to the 2\" plate. 
The penetration into the millboard of a flat-fronted shot weighing 5J oz., 
fired from a wall-piece at 25 yds., with a charge of 10-drs., was 2 , 76' / . 
November 14th. 
A block of millboard,* measuring 4'*75" x 3' T5" x 1' 2 , 5 // and weighing 
6 cwt. 12^ lbs., was tested in comparison with teak of the same weighty and 
measuring 4 /, 75" x 3' T25" x V 2"; each block was faced with a 1-in. iron 
plate, the whole being secured at the sides by means of clamps, to avoid 
through bolting. 
The guns used were 
One 6-pr. Armstrong gun, at 60 yds. 
„ 12-pr. „ „ at 100 yds. 
No. 1 round.—6-pr. solid shot at millboard. Struck 1' 4" from the top, 
and 1' 6" from the side; penetrated 3" into the millboard, the shot 
remaining unbroken. The plate buckled *95" over a space measuring 
17" x 6". 
No. 2 round.—6-pr. solid shot at teak. Struck 1' 3" from the top, shot 
penetrated completely and broke up; the baulk of timber on which it struck 
was cracked through its thickness ; very slight buckle of plate. 
No. 3 round.—12-pr. solid shot at millboard. Struck the plate 1' 2" 
from the top, and penetrated to a depth of 1' 7", being 3" into some wood 
in rear; left a clean hole through the millboard of 3T". 
No. 4 round.—12-pr. solid shot at teak. Struck at 1' 3" from the top 
of the plate; made a hole 3'3" diameter, and penetrated the wood, which 
was split through its thickness at the top ; the hole closed up. 
No. 5 round.—6-pr. solid shot at millboard. Struck at 6*5" from the 
top, and penetrated the millboard to a depth of 2*65", the fore part of the 
shot remained in the hole, the remainder being broken off. The plate 
buckled *9" for a space of 14" x 12". 
No. 6 round.—6-pr. solid shot at teak. Struck at V from the top, and 
penetrated 6" into the teak, the wood was split through, as in previous 
rounds; very slight buckling of plate. The shot did not break up. 
* This block of millboard was supplied by Mr Morris, of Glasgow, on his own proposal, but was 
not at all suited for the purpose intended, consisting merely of sheets of brown paper laid together 
and bound by hoops of iron, and when these latter were removed, the sheets of paper were found 
to be quite disconnected. 
