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Plow Cleaning Attachment.
Patent for a new and improved plow cleaner. This design consists in "[t]he combination, with the mold-board of a plow, having parallel longitudinal slots . . . of upper and lower rollers, belts passing around the same beneath the mold-board, scrapers connected to said belts in line with the slots and adapted to pass over said mold-board, and means for rotating said belts" (lines 93-99).
Date:
May 6, 1890
Creator:
Dyer, Charles Valentine.
System:
The Portal to Texas History
Rail-Joint Fastening.
Patent for a new improvement in railroad rail joint fastenings, including instructions and illustrations.
Date:
June 6, 1899
Creator:
Arnold, Eliphalet Lester
System:
The Portal to Texas History