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of offence by adding the weight which would thus be economized to that of 
her proposed armament. 
(2) That steel shells of the Armstrong form are valueless as shells when 
fired against such a structure. 
(3) That chilled iron at £20 per ton appears to be as good a material for 
armour-piercing shot as steel at £80 per ton, at least in the form of projectiles 
used in this experiment. 
(4) That the employment of armour-plate bolts, of large sectional area, has 
proved entirely successful. Of the two descriptions under trial, viz. those 
of ordinary form and those on Major Palliser's design, the latter have 
maintained their superiority. 
(Signed) J. H. LEFROY, 
Brigadier-General, R.A. 
President. 
