This breech-loading arm has a fixed chamber closed by a movable breech-block, which rotates about a horizontal axis at 90 degrees to the axis of the barrel, lying below the axis of the barrel and in frontóbeing moved from below by a lever. By depressing the lever the block is pulled down by a link connecting the two. By reversing the lever the block is raised into place against the end of the barrel, and is locked by the middle joint of the linked combination rising above the line joining the other two, and causing the strain upon the block from the discharge to tend towards bringing the lever more closely into place. Extraction and ejection are accomplished by a small straight lever, swinging on a center below that of the block and struck by the block, during the opening, near the center of motion.
Farrow, Edward S. American Small Arms; a Veritable Encyclopedia of Knowledge for Sportsmen and Military Men. New York: Bradford, 1904. Print.
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