ming behind the belt armor of the Iowa, with ballistic test plate B-230, group No. 21, route, it may be mentioned that in the Iowa's 14 inch Harveyized nickel-steel side armor plate mounted thereon.] Another armor bolt was driven to the most difficult section of all—between rear; the backing plate… … Fig. 3,-BATTLE SHIP IOWA ARMOR PIERCED BY 13 INCH GUN. Fig. 2.-BATTLE SHIP IOWA ARMOR TESTED BT 10, 12, AND 13 INCH 6UNS. ) 1895 SCIENTIFIC AMERICAN, INC.
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