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