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Buckle-Making Machine

Description: Patent for a buckle making machine for forming wires into tie buckles for bales of cotton, hay, etc. Illustrations included.
Date: July 30, 1912
Creator: Frantz, Ezra A.
Partner: UNT Libraries Government Documents Department

Air-Lift Pump

Description: Patent for an air lift pump. Illustrations included.
Date: July 30, 1912
Creator: Holmgreen, Julius H. & Underwood, William H.
Partner: UNT Libraries Government Documents Department
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