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Combined Cotton, Corn, And Sorghum Planter (open access)

Combined Cotton, Corn, And Sorghum Planter

Patent for improvements to a previously made patent serial no. 287,764: the improvements would include adjustable feed disks, simple and adjustable means of regulating the feed of the seed, bracing rods for the drill, and improvements in construction of the frame and hopper.
Date: May 28, 1889
Creator: Schofield, Jake Drommond
System: The Portal to Texas History
Car-Truck Bolster. (open access)

Car-Truck Bolster.

Patent for a car-truck bolster "made of cast steel or malleable iron, cast in one piece, and provided with a plurality of corrugations running longitudinally or in an approximately longitudinal direction along the girders which form the sides of the said bolster" (lines 15-20).
Date: May 28, 1895
Creator: Maher, John N. & Wheless, Thomas H.
System: The Portal to Texas History