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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

Brake-Staff.

Description: Patent for a new type of brake staff for trains featuring a modular design allowing its form to be changed as necessary. This is useful for connecting train cars where regular brake staffs may get in the way. Including illustrations.
Date: September 12, 1905
Creator: Clark, James Thomas & Meyer, Henry L.
Partner: UNT Libraries Government Documents Department

Concrete Construction

Description: Patent for improved concrete construction methods for creating buildings made of or with concrete. These improvements include lighter walls with an air space that prevents dampening.
Date: September 12, 1913
Creator: Howard, Frances H.
Partner: UNT Libraries Government Documents Department

Amalgamator.

Description: Patent for a new and improved amalgamator. This design "consists in placing in the bottoms of the chambers a number of iron balls or other suitable-shaped pieces of amalgamated iron, which have sufficient room to move freely among themselves, and then forcing up through the balls or pieces of iron, in contradistinction to forcing it down over their tops, the amalgamated ore and water, so as to cause the pieces of iron to vibrate, and thus to grind and break the pieces of quartz passing up throu… more
Date: September 12, 1882
Creator: Schmidt, Erich Franz & Streernwitz, William Henry
Partner: UNT Libraries Government Documents Department
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