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Improvement in Curing Meat, &c.

Description: Patent for curing meat using an air-tight brine vacuum to heat and purify the meat, including illustrations.
Date: September 12, 1846
Creator: Allen, Augustus C.
Partner: UNT Libraries Government Documents Department

Improvement in Propelling Vessels.

Description: Patent for a hydraulic propeller that uses a current of water and steam power, including illustrations.
Date: August 26, 1846
Creator: Fulton, George W.
Partner: UNT Libraries Government Documents Department
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