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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 Corn and Cotton Planter.

Description: Patent for a "new and improved corn and cotton planter" (lines 3-4), to plant both cotton and corn seed,including instructions and illustrations. The configuration includes a new combination of parts.
Date: December 25, 1877
Creator: Domschke, Charles
Partner: UNT Libraries Government Documents Department

Device for Ringing Bells.

Description: Patent for improvements in the construction of devices for ringing bells, including illustrations.
Date: February 25, 1879
Creator: Perry, Elton
Partner: UNT Libraries Government Documents Department
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