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Ventilator-Flue.

Description: Patent for a flue made of separate parts so that it can be disassembled for more efficient transport, including illustrations.
Date: May 27, 1902
Creator: Goodwin, Thomas J.
Partner: UNT Libraries Government Documents Department

Post-Auger

Description: Patent for a post auger.
Date: May 12, 1903
Creator: Sanford, James Dobbs
Partner: UNT Libraries Government Documents Department

Ore Separator

Description: Patent for ore separator. This invention "relates to separators or concentrators for separating or extracting gold from pulverized quartz sand or bearing dirt" (line 8-11). Illustration included.
Date: May 11, 1909
Creator: Donovan, John T., Sr.
Partner: UNT Libraries Government Documents Department
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