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Improvement in Draw-Gages.

Description: Patent for improving the manner in which leather straps may be cut and avoid slippage.
Date: June 25, 1878
Creator: Tays, John Henry
Partner: UNT Libraries Government Documents Department

Improvement in the Manufacture of Hydraulic Cement

Description: Patent for the improvement in the manufacture of hydraulic cement with specifications for the manufacturing process and a description of usage.
Date: June 25, 1878
Creator: Dimelow, John
Partner: UNT Libraries Government Documents Department

Improvement in Machines for Storing the Power of Wind-Engines.

Description: Patent for a machine for storing the power of wind-engines with design specifications and a description of the process and implementation of usage, including illustrations.
Date: June 25, 1878
Creator: Everhart, Martin
Partner: UNT Libraries Government Documents Department
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