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Plow.

Description: Patent for a new and improved plow. This design consists in "[t]he combination, with the plow-beam, of the staple secured to the plow-beam, the curved shank provided at its upper front end with the triangular loop having notches on its lower edge, which engage with the said staple, the bolt pivoted in the said plow-beam and connected to the rear portion of the shank under the handles, and the blades secured to the lower front end of shank under the staple" (lines 72-81).
Date: May 1, 1888
Creator: Nitschmann, Franz
Partner: UNT Libraries Government Documents Department

Saw Sharpening Machine

Description: Patent for Saw Sharpening Machine. "have invented certain new and useful Improvements in Saw-Sharpeners." (lines 5-6) Including illustrations.
Date: May 19, 1885
Creator: Eidelbach, Andrew C.
Partner: UNT Libraries Government Documents Department

Dredging Machine.

Description: Patent for a new and improved dredging machine. This design consists in "[t]he combination, with a boat or the like, provided with depending hangers at its bow and stern, of the shaft journaled in said hangers, and provided with a spiral screw extending throughout its length" (lines 88-92). It is "for removing sand-bars and similar obstructions in the beds of harbors or in streams by loosening the sand or the like, so that it will be suspended in the water and carried off by the natural or crea… more
Date: May 10, 1887
Creator: Crockett, John Richardson
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for an improved design for a cotton chopper. The patent includes two sets of blades with opposite rotation and the ability to be stopped by the control of the operator. The design also includes improvements on cultivation and chopping for a more efficient process. Included are instructions and illustrations.
Date: May 25, 1880
Creator: Busch, William
Partner: UNT Libraries Government Documents Department
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