iction may be safely relieved at any time, and that the By referring to the engravings it will be seen that even the point of resistance is in the rear of,and far below the gun may be run in and out by the rolling of the vessel with when the gun is run full out, the center of the trunnion will… … culty naval artillerists have resorted to the expedient of “ piv- The following extract from the report of Captain Simpson, oting” the gun slide, which means, to secure the same by a U.S. Navy, to the Chief of the Bureau of Ordnance, dated vertical “ fighting bolt” passing through its forward end…
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