ssel. The deck plating was 1 inch thick. The steamer Merrimac, and in a five hours contest com— hull was of }-inch iron, with angle iron frames 18 pletely demonstrated the practical character of her inches apart, and 12 inch cross-floors on every al- construction, and the impregnability of her iron… … shown in the midship section below. 3 feet 8inches. The deck is plated with two thick- Armor Backing and Armor of the Monitor. nesses Of $-inch plate. Both side and deck armor are attached to the woodwork by blunt bolts. The thicknesses of 1-inch iron plate ; its inside diameter turret is made of…
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