Anal Speculum. (open access)

Anal Speculum.

Patent for a new and improved anal speculum. This design is "to so construct the several parts that there will be no rough or raised edges to interfere with its insertion in the anal passage; secondly, to so construct [the] improved speculum that it may be readily used as a bi-valve or dilator; thirdly, to form a locking-joint on the meeting edges of the shells forming the speculum, whereby the sections are prevented from overlapping each other to avoid pinching or injury to the walls of the anal passage while the instrument is being inserted; fourthly, to provide a plug for [the] improved speculum" (lines 17-29).
Date: March 25, 1890
Creator: Shuford, Quincy Adams
System: The Portal to Texas History
Gunpowder Can. (open access)

Gunpowder Can.

Patent for new container for holding and dispensing gunpowder with illustrations consisting of "glass vessel incased within a metallic jacket and having an exteriorly-screw-threaded neck, in combination with a cap or cover" (page 2, lines 1-3) to increase safety and prevent corrosion of vessel.
Date: March 25, 1890
Creator: Lee, Newton M.
System: The Portal to Texas History
Folding Frame or Support for Mosquito Canopies. (open access)

Folding Frame or Support for Mosquito Canopies.

Patent for a new and improved frame for mosquito canopies. This design consists in "the combination, with the fixed standards and the forwardly-projecting bearings, of the braces pivoted to [the] bearings and united by cross-bar, the short arms pivoted to the upper ends of the fixed standards, and parallel side-bars connected by cross-bars to form a rectangular frame to support the canopy or curtain and pivoted intermediate, respectively, in the outer ends of the short arms and brace" (lines 22-31).
Date: March 25, 1890
Creator: Bailey, Alfred Holt
System: The Portal to Texas History