te frames (answering to the wooden ribs of the old three-deckers), which are riveted to both shells. These lateral spaces are again subdivided by a series of plate frames, or girders, which run the length of the ship, being riveted to the cross girders at the intersec- tion, and also to the inner… … raised or lowered and made to sweep the full circle of the ship. On the same platform is a range-finder, by which the distance of the enemy can be very accurately determined. A similar pair of search lights and a range- The turret is formed of a solid circular wall of steel 17 tact, and the…
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