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in subjects: "windmills"  
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Windmill

Description: 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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Device for raising water.

Description: Patent for device for raising water. "Our invention relates to water-elevators in which a bucket or like receptacle is periodically lowered into a well and then raised to be emptied."
Date: June 1, 1897
Creator: Poe, Herbert L. & Sparkman, William C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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