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Cotton-Baling Press.

Description: Patent for "an improved construction of hydraulic baling-presses, whereby it is designed to provide simple and more durable and reliable presses of this kind than any now in use" (lines 8-12).
Date: July 29, 1884
Creator: Baumgarten, Christian
Partner: UNT Libraries Government Documents Department

Improvement in Insect-Destroyers

Description: Patent for an insect destroyer that forces fire smoke into the ground, targeting ants and other insects.
Date: May 29, 1877
Creator: Melcher, John C.
Partner: UNT Libraries Government Documents Department

Bridge Construction

Description: Patent for a bridge building technique especially for arch or span bridges, to stabilize the bridge as well as making the bridge easy to assemble.
Date: December 29, 1914
Creator: Huebner, George
Partner: UNT Libraries Government Documents Department
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