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Cotton Seed Planter.
Patent for a new and improved cotton-seed planter. This design "consists in the combination of a front pair of scraping-wings attached to a central furrow-opener, a revolving biconical wheel for pressing open the furrow and operating a toothed or spiked seed stirring and distributing shaft, and a rear covering-roller having a concave periphery" (lines 18-24).
Date:
April 5, 1881
Creator:
Crow, John Alexander
System:
The Portal to Texas History
Shingle Gage.
Patent for a new and improved gauge for the installation of roofing shingles. This design utilizes a set of metal brackets and joined metal bars to guide in the nailing of shingles to the roof. This eliminates the need for marking in advance the target of the nail.
Date:
April 5, 1881
Creator:
Gay, Edward R.
System:
The Portal to Texas History
Engineer's Level-Rod.
Reissued patent for an improvement in engineer's level which introduces a novel manner of marking the scale upon the face of the rod.
Date:
April 5, 1881
Creator:
Lynch, Michael L.
System:
The Portal to Texas History
Cotton Planter.
Patent for an improvement in cotton-planters.
Date:
April 5, 1881
Creator:
McFall, Mark M.
System:
The Portal to Texas History
Gopher Trap.
Patent for a new and improved trap for gophers and other subterranean animals. This design utilizes for the first time the combination of spring, jaw, treadle, trigger, and baseboard to ensnare gophers and other varmints.
Date:
July 5, 1881
Creator:
Norris, Abram
System:
The Portal to Texas History
Car Coupling.
Patent for a new and improved coupling for railroad cars. This design utilizes "a draw-head, formed with the usual flaring mouth, and interior cavity. . . . the interior of the draw-head is narrowing from the mouth to the center of the pin, and widening from the latter backward. The object of this construction is, that it directs the entering link to the pin, and increases the power of resistance of the latter to the strain" (lines 23-33).
Date:
April 5, 1881
Creator:
Nuckols, William L.
System:
The Portal to Texas History