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Wire-Winding Machine

Description: Patent for a wire winding machine for making well screens.
Date: August 20, 1912
Creator: Eastham, Albert Lindsay
Partner: UNT Libraries Government Documents Department

Utilizing Sulfur-Containing Petroleum.

Description: Patent for a method of removing sulfur from Beaumont petroleum and converting it into sulfuric acid.
Date: February 20, 1912
Creator: Robinson, Clarence I.
Partner: UNT Libraries Government Documents Department

Grain-Door for Cars

Description: Patent for a door for grain containers. Illustrations included.
Date: February 20, 1912
Creator: Miller, Rudolph Charles
Partner: UNT Libraries Government Documents Department
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