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The steam-ram is armed with a strong steel beak, with which it charges an enemy in much the same way as the war-galleys of ancient times charged a foe, or as a sword-fish attacks its adversary. The turret-ship carries one or more shot-proof circular turrets, in which one or more guns are worked by the crew, the guns being capable of being turned and pointed in any direction.

Now they had made a thing which they called a steam-ram, an iron-covered boat, like unto a serpent, even like unto the evil beast which crawleth upon its belly, eating dirt, as do many of those who made it. And all the South rejoiced over it, the voices of many editors were uplifted, According to the Revised Statutes, Prophesying sure death and sudden ruin, on back action principles.

I brought my plans and drawings under the notice of the Admiralty in 1845; but nothing was done for many years. Much had been accomplished in rendering our ships shot-proof by the application of iron plates; but it appeared to me that not one of them could exist above water after receiving on its side a single blow from an iron-plated steam-ram of 2000 tons.

"Then you'll know the real thing now, if you join us." Mr. Osborn beamed cheerfully. "Understand, I don't press you. Why should I? The pressure behind you is not of this earth; and if it's there, as I think it is, you'll no more resist it than the iron bolt resists the steam-ram. But what's steam and horse-power?" And he beamed all over his face.

The new system of naval warfare which characterizes the age was proposed by John Stevens of Hoboken during the War of 1812, recommended by Paixhans in 1821, made the subject of official and private experiment here and in Europe during the last ten years especially, subjected to practical test at Kinburn in 1855, recognized then by France and England in the commencement of iron-clad fleets, first practised by the United States Government in the capture of Fort Henry, and at last established and inaugurated not only in fact, but in the principle and direction of progress, by the memorable action of the ninth of March, 1862, in the destruction of the wooden sailing-frigates Cumberland and Congress by the steam-ram Merrimack, and the final discomfiture of that powerful and heavily armed victor by the turreted, iron, two-gun Monitor.

Both turret-ships and steam-rams are, of course, iron plated. Vessels of this description were first employed by the Americans in the great civil war. The careers of the Merrimac and Monitor may be said to have become a part of American national history. The Merrimac was the first iron-plated steam-ram. She was originally a wooden frigate; was cut down, coated with iron, and furnished with a ram.

This may appear a trifling technical matter of detail; but its great practical value must be my excuse for mentioning it. Invention of Safety Foundry Ladle. The safety ladle is described in the text, p. 202. Invention of the Steam Ram My invention was made at this early date, long before the attack by the steam-ram Merrimac upon the Cumberland, and other ships, in Hampton Roads, United States.