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Refrigerating Machine.

Description: Patent for improvement of refrigerating machines with detachable top and hinged sides with refrigerant pipes extending longitudinally. Accompanied by illustrations.
Date: February 5, 1884
Creator: Lee, Charles B.
Partner: UNT Libraries Government Documents Department

Cartridge-Loading Machine

Description: Patent for improvements for loading cartridge, included detailed drawings.
Date: September 11, 1888
Creator: Franklin, Edward A.
Partner: UNT Libraries Government Documents Department
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