ARMOUR AND ITS ATTACK BY ORDNANCE. 
61 
a 4*72 inch gun at a low velocity is under exceptional conditions, and 
admits of no comparison with the foregoing trials. 
Two Schneider nickel steel plates 1 had also been tested at Gavres Schneider 
in July, 1891. The first was 8‘26 feet x 4*99 feet x 10*43 inches 
( 265 mm) thick. It was attacked by a 16 cm (6*3 inch) gun firing chrome 
steel projectiles, weighing 99‘2 lbs. (45 kg.), each with a striking velo- 
Fig. 9. 
Front View . 
1 See (< Engineer,” November 6th, 1891, taken from ‘ e Le Yacht,” October 24th, 1891. 
