Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 398
rt, and externally nothing could be seenbut a large dome of cast-iron or steel. Containingtwo or more openings in it for guns, it would re-volve horizontally upon wheels traveling in circulartracks. The entire mass would be moved by steam Vol. XVI.— 55. generated in boilers far below ground.… … mander would press a small lever, and the hugedome slowly turn around till the openings werewhere he wished them to be. He would then stopit by another pull of a lever, and the big gunswould be run out and pointed. The recoil havingthrown them back again into the turret, it wouldat once commence to…
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