Grain-Drill.
Description:
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.
Partner:
UNT Libraries Government Documents Department