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Automatic Cylindrical Power.

Description: Patent for a new and improved cylindrical power-source. This design "consists in the combination of a cylindrical slotted frame with a series of blades which are connected together in pairs, and which are alternately forced through the slots in the frame to receive the force of the wind or water and then retracted, so that they will offer no resistance during a portion of the revolution of the frame. . . . The object of [the] invention is to produce a motor which is adapted for use either as a … more
Date: November 15, 1881
Creator: Hutchinson, Thomas E.
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "consists, [primarily], of certain devices whereby the coupling-pin raised in the draw-head is supported until the draw-heads strike each other in coupling, when the coupling-pin falls by gravity" (lines 17-21).
Date: November 15, 1881
Creator: Thomason, John W.
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new and improved plow. This design "has for its object to produce a plow suitable for general purposes, of great durability and efficiency, and provided with a reversible share and landside, which are so arranged that while the point or the one and edge or flange of the other are being worn away or dulled the reversed point of the former and reversed edge or flange of the latter are being pointed and sharpened by contact with the soil through which the plow is driven, thus compensa… more
Date: November 15, 1881
Creator: Holland, Joseph J.
Partner: UNT Libraries Government Documents Department

Washing Machine.

Description: Patent for a new and improved washing machine. This design has a reversible trough, "having bearings for the detachable rollers and provided with a pair of flat springs affixed rigidly to opposite sides and at opposite ends of the trough, hooked screw-bolts having thumb-screws, and shaft of the main roller" (lines 1-6).
Date: November 15, 1881
Creator: Blake, Llewellyn A.
Partner: UNT Libraries Government Documents Department
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