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Improvement in Current-Wheels.

Description: Patent for improvements in current-wheels, consisting of an improved arrangement of feathering-buckets, the gate, and opening devices. It includes a description and illustration.
Date: June 6, 1871
Creator: Tuder, William
Partner: UNT Libraries Government Documents Department

Improvement in Elevators.

Description: Patent for improvements in elevators, for lifting heavy objects. It includes a description and illustration.
Date: June 13, 1871
Creator: Bishop, Josiah
Partner: UNT Libraries Government Documents Department

Improvement in Carriage-Axles.

Description: Patent for improvements to carriage axles which include the addition of a sleeve, bearing, and linch-pin device.
Date: June 13, 1871
Creator: Wagner, Ernest Friedrich
Partner: UNT Libraries Government Documents Department
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