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Well Drilling Machine.

Description: Patent for an improvement in well drilling.
Date: April 10, 1900
Creator: Wiedner, Friedrich R.
Partner: UNT Libraries Government Documents Department

Induction Coil

Description: Patent for induction coil. Illustration included.
Date: April 18, 1905
Creator: Baker, John A.
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for an improvement to the plow by adjusting various devices for better results.
Date: April 15, 1919
Creator: Kopplin, Otto E.
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Seed Planters.

Description: Patent for the improvement for planting cotton seeds using a toothed wheel and hopper, including illustration.
Date: April 27, 1858
Creator: Donovan, I. T. & Fowler, W. J.
Partner: UNT Libraries Government Documents Department

Design for a Cabinet.

Description: Design patent for a cabinet with a rectangular body and an internal horizontal partition.
Date: April 5, 1895
Creator: Carolan, Eugene P.
Partner: UNT Libraries Government Documents Department
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