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Grain-Drill.
Patent for an improved grain drill that is simpler and more efficient than other grain drills. It consists of a disk with a central hub, an annular recess around the hub, segmented washers, radial slots, radial seed apertures, gravity slides, and stems on the slides.
Date:
June 6, 1893
Creator:
Lawrence, William G.
System:
The Portal to Texas History