ARTILLERY 



British Muzzle-Loading Built-up Ordnance. 



249 



Smooth-Bore Cast-Iron American Ordnance. 



roquired ? Opinions are divided ; but let us turn to facts, and see what has been done. 

 I have endeavoured in the following Table (p. 250) to arrange some of the leading 

 facts in order, so as to give an idea (necessarily a rough one) of the projectiles and 

 charges necessary to actually penetrate certain structures at different ranges. I have 

 not chosen the targets in preference to any others, but simply believing that they 

 represent the average resistance offered by sea-going vessels, and also for convenience 

 of comparison. 



It appears then, from what has been already accomplished, that there is at present 

 no occasion to employ monster ordnance for the destruction of ordinary plated 

 vessels. 



The guns we are now making, which will throw projectile!) of 200 or 300 Ibn. weight 

 with charges of 46 Ibs. are, if properly used, winch no doubt they will be, quite 

 sufficient for the purpose. Further than this, however, it is probable that few iron- 



