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Turbine-Motor

Description: Patent for improvements in the construction and use of turbine motors.
Date: February 19, 1918
Creator: Smithey, Walter Duke
Partner: UNT Libraries Government Documents Department

Ballot-Voting Machine

Description: Patent for a ballot box that counts the number of votes in the box.
Date: February 17, 1914
Creator: Brown, Flora & Senez, Arthur
Partner: UNT Libraries Government Documents Department
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