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Locomotive Valve-Gear.

Description: Patent for improvement to the locomotive valve-gear by utilizing a centrally-pivoted lever.
Date: January 11, 1887
Creator: Lewis, Wallace James
Partner: UNT Libraries Government Documents Department

Baling Press.

Description: Patent for a new and improved baling-press. This design consists in "the ordinary framing, shell, or case for containing the material and stationary lower platen or bed are used, the upper platen being the movable one to effect the compression. This upper platen is brought down upon the material for its compression by the lowering of screw-threaded rods to which it is attached, such lowering being effected by the rotation of rotating nuts in fixed bearings taking on such screw-threaded rods" (l… more
Date: January 25, 1887
Creator: Brown, Maurice T.
Partner: UNT Libraries Government Documents Department
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