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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
Device for Attaching Horseshoes. (open access)

Device for Attaching Horseshoes.

Patent for a new and improved device for attaching horseshoes. This design "relates to improvements in means for attaching shoes to the hoofs of horses or mules without the use of nails; and the invention consists in . . . a nailless shoe [that] can be firmly and securely attached to the foot and detached therefrom without requiring the services of a smith" (lines 9-18). To this end, it consists in "the combination, with the shoe-plate and the toe-plate, of the toe-bar having a flange to engage the toe-plate, the bits, half-bands, and clamping-bolts" (lines 61-65).
Date: November 4, 1890
Creator: Mayow, Daniel L. & Castle, John M.
System: The Portal to Texas History