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Combination-Lock.

Description: Patent for improvement upon a combination-lock.
Date: May 1, 1888
Creator: Bergman, John
Partner: UNT Libraries Government Documents Department

Mailing-Box.

Description: Patent for a mailing box with curves and grooves to fit the cover and securing string with illustrations and assembly instructions.
Date: May 11, 1880
Creator: Sabin, Chauncey Brewer
Partner: UNT Libraries Government Documents Department

Vegetable Grater and Slicer.

Description: Patent for an improvement on vegetable graters or slicers. The design allows for more efficient cutting of the vegetables and allows for gravity to feed the vegetables through the slicer and avoiding injury to the operator. Included are instructions and illustrations.
Date: May 25, 1880
Creator: Weitzel, Jacob F.
Partner: UNT Libraries Government Documents Department

Laundry-Iron

Description: Patent for improvements to heating and use of irons used for laundry.
Date: May 15, 1883
Creator: Pedder, James Nagel
Partner: UNT Libraries Government Documents Department

Machine for Cutting off the Soiled Butts of Grain Stalks.

Description: Patent for a new and improved cutting machine for grain stalks. This design consists in a "table slotted in its middle part and slotted and recessed at or near one edge, the parallel endless bundle-carrying chains working in said slots and having arms, the chain-wheels, the shafts thereof and their supports, the circular saw in the recess at the edge of the table, the mandrel and the gage-plate" (lines 98-105).
Date: May 3, 1887
Creator: Becker, Lothar
Partner: UNT Libraries Government Documents Department

Split Switch

Description: Patent for a split switch, with illustrations. The "invention relates to split switches; and the object of our invention is to provide a switch which will be normally in condition to prevent a train from running on the main track from the siding, and yet always keep the main track in condition for the rapid movement of trains, and at the same time allow the shunting of a train from the main track to the side track" (lines 16-24).
Date: May 15, 1883
Creator: Crowley, John Henry & Temple, Bernard Moore
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "has for its objects to provide a coupling-pin which can be reversed when one end becomes worn, to provide a reversible pin of novel construction, which is adapted to automatically engage the ordinary coupling-link, and to provide a coupling-pin of novel construction, with a device for holding it elevated when it is not desired to engage a coupling-link" (lines 10-18).
Date: May 15, 1883
Creator: Fowler, Joseph C.
Partner: UNT Libraries Government Documents Department

Swing.

Description: Patent for a new and improved swing. This design consists in "[t]he combination, with the two folding frames, provided with jointed braces, of the horizontal cross-bars secured to said frames, the swinging arms pivoted to said bars and also to the car, cross-bars secured to these arms, [and] the curved levers" (lines 95-100). Said curved levers are hinged to "the cross-bars, [and] the crossed ropes or chains [are] connecting the short arms of said levers to the cross-bars, and the pull-cords [a… more
Date: May 10, 1887
Creator: Rigby, James
Partner: UNT Libraries Government Documents Department

Railway Steam Car Brake

Description: Patent for improvement in railway car brake by adding a steam actuating device attached to the locomotive.
Date: May 22, 1883
Creator: Walker, Fred B. & Lauder, James
Partner: UNT Libraries Government Documents Department

Blind Slat Adjuster.

Description: Patent for a new and improved blind adjuster. This design consists in "[a] shutter-stop consisting of a slotted bar linked to the end of the slat-actuating rod of a shutter, in combination with a plate having a spur on one side and a screw-threaded stud on the other, a washer, and a thumb-nut" (lines 93-97).
Date: May 4, 1886
Creator: Lewis, Paulinus Aloysius
Partner: UNT Libraries Government Documents Department

Circular Railroad or Round About.

Description: Patent for novel improvements on circular railroads, and also to means for propelling a turn-table on which the carriages are secured.
Date: May 30, 1882
Creator: Sturm, William
Partner: UNT Libraries Government Documents Department

Composition For Roofing And Paving.

Description: Patent for a process "to produce a compound which is strong, tenacious, and pliable, which will not be affected by climatic changes, and which will resist the corrosive action of acids and alkalies; and to this end my invention consists in a compound composed of asphaltum, pine-tar, and oxide of iron, as will more fully hereinafter appear.” (Lines 8-15) Includes instructions.
Date: May 9, 1882
Creator: Lee, Archibald K.
Partner: UNT Libraries Government Documents Department
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