elow the porthole plates are the solid, hard CarrC carbon. ed on a turntable. A longitudinal opening is arranged pivot plates that carry the pivots on which the car- On the threaded rod extending upward from the base in this shield to provide for aiming the gun high, and riages swing, and in front… … ing of the turret when only one gun is to be fired. A pinion for the upper slide, so that when the spindle is suitable stationary glacis is arranged on the masonry turned by the rubber hand wheel the carbons are HAND FEED ARC LAMP. foundation and surrounds the revolving portion of the moved in…
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