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Ore Separator
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.
System:
The Portal to Texas History
Post-Auger
Patent for a post auger.
Date:
May 12, 1903
Creator:
Sanford, James Dobbs
System:
The Portal to Texas History
Ventilator-Flue.
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.
System:
The Portal to Texas History