Combined Cotton-Seed and Corn Planter (open access)

Combined Cotton-Seed and Corn Planter

Patent for "a truck having operating mechanism changeable to either cotton or corn seeders and in combination therewith a hopper formed in sections, one of which is removable" (lines 14-17).
Date: May 28, 1901
Creator: Droitcourt, Adam
System: The Portal to Texas History
Coupling. (open access)

Coupling.

Patent for a coupling to be used by military vehicles, unique in its "simplicity, rapidity in attachment and detachment, strength and durability" (lines 19-21).
Date: May 24, 1921
Creator: Speece, Russell. W.
System: The Portal to Texas History