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Windmill
Patent for a windmill that changes directions with the wind automatically and provides more power to the pump.
Date:
July 23, 1912
Creator:
Romans, John W.
System:
The Portal to Texas History
Improvement in Railway-Tracks.
Patent for improvements in the adjoining of railway tracks.
Date:
July 23, 1878
Creator:
Cottingham, Gideon W.
System:
The Portal to Texas History