“ Entire Armor Plating — The Journal de la Marine of last week contains an article on explosive projectiles in the navy, from the pen of Lieutenant Weyl. The writer begins by observing that, after having to a certain measure, "uncuirassed" vessels of war, the question now arises whether it will not be necessary to cuirass them from top to bottom to protect them from the terrible effects of projectiles filled with gun-cotton, dynamite, mélinite, etc. Lieutenant Weyl then continues thus: "Every one knows the result of the experiments undertaken by the artillery of the army ”