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Axle
Patent for an axle. Illustration included.
Date:
January 29, 1907
Creator:
Price, George T. & Knight, Richard
System:
The Portal to Texas History
Self-Cleaning Harrow and Cultivator.
Patent for a harrow and cultivator "which is self-cleaning in that, by manipulation of certain mechanism embodied in the machine, the teeth or shovels are caused to rotate about axes, giving up any stalks, grass, or other fibrous matter which may cling to the teeth or shovels impeding the working of the soil" (lines 15-21).
Date:
January 29, 1918
Creator:
Miner, John C.
System:
The Portal to Texas History