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Jack.

Description: Patent for a jack for lifting heavy loads on railroads, which has an automatic steady movement of the load up and down without adjusting the jack settings.
Date: August 6, 1907
Creator: Blake, David Alexander & Blake, Charles William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ice-Tray

Description: Patent describing a "combined water-cooler and ice tray [...for] the cooling of water by ice without the ice coming in contact with the water" (lines 9-12).
Date: May 6, 1902
Creator: Henning, Thomas W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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