Apparatus for Recutting Files. (open access)

Apparatus for Recutting Files.

Patent for a new and improved file re-cutter. This design consists "[i]n an apparatus for recutting files by electro-chemical action, the dialectric plates and the carbon plates having their upper ends attached to said non-conducting plates, whereby the files to be recut are disposed between the carbon plates when in the solution" (lines 76-82).
Date: April 5, 1887
Creator: Emley, James E.
System: The Portal to Texas History
Ant Trap. (open access)

Ant Trap.

Patent for a new and improved ant trap. This design consists in "[t]he combination, with the side pieces, of the traps located between opposite ends of said side pieces and separated by an inclosed space, the openings communicating with said traps and the slides for closing said openings" (lines 61-66).
Date: January 18, 1887
Creator: Mays, Francis A.
System: The Portal to Texas History