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Car-Coupling.

Description: Patent for an improved device used to connect rail cars, including illustrations and descriptions of how the new coupling works.
Date: April 15, 1884
Creator: Hathaway, Charles L.
Partner: UNT Libraries Government Documents Department

Composition for Preserving Food

Description: Patent for "combustible compositions which, when ignited, produce a gas or gasses which have preservative and purifying effects upon various substances and surfaces or places exposed to the fumes. It is more especially designed, however, for preserving fruits, vegetables, meats, and other perishable articles." (lines 12-19).
Date: April 15, 1890
Creator: Radam, William
Partner: UNT Libraries Government Documents Department
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