Blasting Plug. (open access)

Blasting Plug.

Patent for a new and improved blasting plug. This design is "to improve the usefulness and efficiency of the device, to render it capable of more general application, to provide a construction whereby a given charge is rendered more powerful and effective, and to provide a divided blasting-plug . . . The invention consists more particularly in a cylindrical blasting-plug divided longitudinally into two separate or independent sections, one of which is formed with a disk-head having a vent orifice and made coextensive with the external caliber of the plug when the two sections are placed together" (lines 12-29).
Date: November 5, 1889
Creator: Holsey, Julius H.
System: The Portal to Texas History
Watch-Barrel. (open access)

Watch-Barrel.

Patent for a winding mechanism for watches, related to the barrel and rachet of the winding mechanism, with illustrations and instructions included.
Date: November 5, 1880
Creator: Martin, Josiah
System: The Portal to Texas History
Plow. (open access)

Plow.

Patent for a new and improved plow. This design consists, "with the beam and mold-board, of an attachment which is adapted to be secured to either side of the beam in the rear of the mold-board, consisting of a curved standard having its lower end bent up parallel with and part way its vertical length, forming a U-shaped foot, serrations on the rear edges of the foot, and registering perforations formed in the standard and upper end of the bent-up portion, an oblique brace secured between the parallel portions of the standard, having a series of perforations therein" (lines 12-24).
Date: November 5, 1889
Creator: Stone, Zebedee E.
System: The Portal to Texas History
Rotary Engine (open access)

Rotary Engine

Patent for "a new and improved rotary engine which is simple and durable in construction and very effective in operation, using the steam expansively and to the fullest advantage, at the same time being adapted to compound engines" (lines 8-12).
Date: November 5, 1889
Creator: Akers, William P.
System: The Portal to Texas History